# Car Wash Pay Point

#### Using This Feature Reference

This Feature Reference provides detailed information on how to configure and use the Car Wash Pay Point feature on two separate Verifone Site Controllers: Verifone Commander and Sapphire.

Chapter one covers Car Wash Pay Point on Verifone Commander and Chapter two relates to Sapphire. Both chapters contain the subsections listed below:

* **Overview**- This section contains a brief description, requirements and the supported hardware configurations for the Car Wash Pay Point feature on the related Verifone Commander.
* **Configuring**- This section contains information on how to configure the Car Wash Pay Point feature on the related Verifone Commander.
* **Using**- This section describes how to prepare the specific Verifone Commander for the Car Wash Pay Point feature.
* **Reporting**- This section contains a sample report with a detailed report description for the Car Wash Pay Point feature on the specific Verifone Commander.
* **Troubleshooting**- This section contains some trouble scenarios that may occur along with the steps needed to correct them. In some cases the user may need to perform procedures that are restricted to higher security levels (i.e. manager level as opposed to cashier).

### Glossary of Terms

The following terms and definitions will assist the reader with understanding the content of the Feature Reference.

<table><thead><tr><th width="161">Terms</th><th>Definitions</th></tr></thead><tbody><tr><td>CWPP</td><td>Verifone Car Wash Pay Point</td></tr><tr><td>DCR</td><td>Dispenser Card Reader</td></tr><tr><td>MOP</td><td>Method of Payment</td></tr><tr><td>NACS</td><td>National Association of Convenience Stores</td></tr><tr><td>PLU</td><td>Price Look Up</td></tr><tr><td>POP</td><td>Point of Purchase</td></tr><tr><td>POS System</td><td>Includes the Verifone C18 Point of Sale terminals, site controller and the electronic payment system (EPS).</td></tr></tbody></table>

#### Feature Description

The Verifone Car Wash Pay Point (CWPP) feature allows customers to pay for a car wash at the pay point device using cash or credit card. CWPP supports up to four CWPP Bays.

CWPP cash payments are handled at the pay point device. Credit or debit payments are handled through the Point of Sales System (POS) card processing network. All CWPP sale transactions are available on the POS system for reporting purposes.

#### Requirements

**Supported Hardware Configurations**

* Verifone Commander with Topaz
* Verifone Commander with Ruby2
* RubyCi with Topaz
* RubyCi with Ruby2

#### Software Requirements

* Verifone Commander - All Versions.

#### CWPP Interfaces

CWPP interfaces with primarily two different Unitec Car Wash Payment Systems:

* Unitec Wash Select II
* Unitec Portal TI

{% hint style="info" %}
Verifone Commander supports debit with CWPP, however the CWPP device does not have PCI compliant keypads so it is not recommended to use debit with these devices.
{% endhint %}

**Unitec Wash Select II**

Unitec Wash Select II is a self-serve unattended automatic Car Wash Entry System designed specifically for the self-serve car wash market.

![](/files/4aa7c13ec84b29952f3d660240044375f130b4bb)

**Unitec Wash Select II Attributes:**

* Four programmable wash packages.
* Credit and cash receipts.
* Barrier gate feature to manage traffic control and assure wash queue accuracy.

**Unitec Portal TI**

Unitec Portal TI is a Car Wash Payment System designed to work at any in-bay automatic or conveyor and works well for the express exterior car wash.

Verifone Commander initializes the CWPP point of purchase (POP) settings, wash names and prices, based on the configuration. The CWPP communicates with Verifone Commander to enable credit card purchases.

![](/files/aae59c1e5fa87707952a53dd489e4c775f28f6a9)

***Unitec Portal TI Attributes:***

* Pre and Post sale video advertisements.
* Wash menu function to display features each wash will include.
* Uses PCI validated Sierra Software.
* Car Wash codes can be sold at the pumps or C-store and issued from a local or off site PC.
* Barrier gate feature to manage traffic control and assure wash queue accuracy.

### Configuring Car Wash Pay Point

#### Special Considerations

**Unitec Car Wash Technician**

* A Unitec Car Wash Technician should configure CWPP, including the Unitec Wash Select II or Portal TI, to work with Verifone Commander.

{% stepper %}
{% step %}
**Setup Mode**

Switch the Wash Select II to **\[Setup Mode]**.
{% endstep %}

{% step %}
**Credit Menu**

Use the keypad to enter the Credit System menu.
{% endstep %}

{% step %}
**Credit Mode**

Select **\[Credit Mode]**.
{% endstep %}

{% step %}
**XML Mode**

Set the credit mode to **\[6. Unitec XML]**.
{% endstep %}
{% endstepper %}

* A Unitec Car Wash technician will provide the Bay **\<IP Ethernet address>** to be used in the Verifone Configuration Client CWPP configuration.
* The Unitec interface is not PCI compliant; it does not support debit cards.
* Do a Close Period manually on the Unitec Wash Select II and Unitec Portal TI, prior to running the CWPP period from the Topaz Reports menu. If this is not done, reports will return zero totals.
* It is required that Verifone Commander be installed with and configured for normal car wash functionality.

#### Configuring with Verifone Configuration Client

<div align="center"><img src="/files/0827ee1a5005b59f688a0288c7937f6ffac83c11" alt=""></div>

{% hint style="warning" %}
**Car Wash must be configured prior to CWPP. The Car Wash configuration allows the user to setup Verifone Commander to mirror the Car Wash Controllers configuration so that Car Wash sales can pull the correct code from the Car Wash Controller.**
{% endhint %}

Car Wash configuration allows the user to set up Verifone Commander to mirror the Car Wash Controller’s configuration so that Car Wash sales can pull the correct codes from the Car Wash Controller. To set up Car Wash feature:

{% stepper %}
{% step %}
**Enable**

Enable the Car Wash.
{% endstep %}

{% step %}
**Department**

Select the department that the Car Wash PLU belongs to.
{% endstep %}

{% step %}
**Enter Days**

Enter the number of days that the Car Wash codes are valid.
{% endstep %}

{% step %}
**Display Order**

Select a display order.
{% endstep %}

{% step %}
**DCR Prompt**

Select the whether the DCRs will prompt for Car Wash before or after the sale.
{% endstep %}

{% step %}
**Enter PLUs**

Enter all Car Wash PLUs into the Car Wash Key Setup in the same order in which they are listed in the Car Wash Controller.
{% endstep %}
{% endstepper %}

**Car Wash Configuration**

{% stepper %}
{% step %}
**Open Car Wash**

From the Verifone Configuration Client, go to: Devices > Car Wash.

![](/files/c690abbeb3f7f4b61504923ca84538d6b331247d)

The Car Wash Configuration window displays.

![](/files/97437e0e60a8514b26468bacdc14ad8ac880d650)
{% endstep %}

{% step %}
**Car Wash**

Configure the Car Wash parameters:

![](/files/5d49f3f9c97a12a3ffee996dd774c45579184b68)

| Value                           | Description                                                                                                                                                                            |
| ------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Car Wash**                    | Configure to allow Car Wash Sales to pull the correct code from the Car Wash Controller.                                                                                               |
| **Enable Car Wash**             | Enables the Car Wash feature.                                                                                                                                                          |
| **Car Wash Department**         | Sets the Car Wash department and corresponding PLU(s).                                                                                                                                 |
| **Days Car Wash Code is Valid** | Sets the number of days the Car Wash code is accepted. A zero value denotes a non-expiring Car Wash code and an expiration message will not print on the receipt if the value is zero. |
| **Display Order (by Expense)**  | Sets the order in which Car Washes appear (according to price) on the DCR display.                                                                                                     |
| {% endstep %}                   |                                                                                                                                                                                        |

{% step %}
**DCR Attributes**

Configure the Car Wash DCR Attributes:

![](/files/cfec1eabd5fca593df2ebb9286ad31c09fd4ca58)

| Value                                                                                                                                                                                                                                                                                                              | Description                                                             |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------- |
| **DCR Attributes**                                                                                                                                                                                                                                                                                                 |                                                                         |
| **Prompt at Beginning of Sale**                                                                                                                                                                                                                                                                                    | Enables the Car Wash to prompt before the customer begins fueling.      |
| **Prompt at End of Sale**                                                                                                                                                                                                                                                                                          | Enables the Car Wash to prompt after the customer has finished fueling. |
| **Menu Presentation**                                                                                                                                                                                                                                                                                              | Enables the Car Wash display prompt in menu form.                       |
| <div data-gb-custom-block data-tag="hint" data-style="info" class="hint hint-info"><p><em>A Car Wash item is selected by keying the and pressing <strong>\[ENTER]</strong>on the DCR keypad. If no selection is made the Car Wash prompt displays a series of <strong>\[Yes/No]</strong> questions.</em></p></div> |                                                                         |
| {% endstep %}                                                                                                                                                                                                                                                                                                      |                                                                         |

{% step %}
**Key Setup**

Configure the Car Wash Key Setup:

![](/files/c28926315f355deee3287e1a0345517cd9db68aa)

| Value                                                                                                                                                                                                                                         | Description                                 |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------- |
| **Car Wash Key Setup**                                                                                                                                                                                                                        |                                             |
| **PLU**                                                                                                                                                                                                                                       | Sets the Car Wash PLU.                      |
| **Mod**                                                                                                                                                                                                                                       | Determines the Car Wash PLU modifier.       |
| **Outdoor**                                                                                                                                                                                                                                   | Enables the PLU to be purchased at the DCR. |
| <div data-gb-custom-block data-tag="hint" data-style="info" class="hint hint-info"><p><em>All Car Wash PLUs must be entered into the Car Wash Key Setup in the same order in which they are listed in the Car Wash controller.</em></p></div> |                                             |
| {% endstep %}                                                                                                                                                                                                                                 |                                             |

{% step %}
**Save Changes**

Select **\[Save]** to accept or **\[Cancel]** to exit without saving changes.
{% endstep %}
{% endstepper %}

**Car Wash Pay Point Configuration**

CWPP configuration allows the site to configure IP information for up to four Car Wash Bays and up to four Car Wash packages per bay. The configuration is what allows the user to close and retrieve CWPP Reports from the Pay Points.

{% stepper %}
{% step %}
**Open CWPP**

From the Verifone Configuration Client, go to: **Devices** > **Car Wash Pay Point**.

![](/files/c690abbeb3f7f4b61504923ca84538d6b331247d)

The Car Wash Pay Point Configuration window displays.

![](/files/288218e562882084af28efa5ddea42ba8fe4efac)
{% endstep %}

{% step %}
**Add Bay**

Select **\[Add New Bay]** to configure a new Bay.

* **Delete Bay:** Allows existing an Bay Configuration to be deleted.
  {% endstep %}

{% step %}
**Global Settings**

Configure the Global Settings parameters:

![](/files/9789e6e23fe8899e1effc05be7a624696a120581)

| Value                         | Decription                                                                                                                                                      |
| ----------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Global Settings**           |                                                                                                                                                                 |
| **Day Close Period**          | <p>Determines when the CWPP totals are closed.</p><ul><li><strong>\[Period 1]</strong>- Close Shift</li><li>\[<strong>Period 2]</strong>- Close Daily</li></ul> |
| **Network Timeout (Seconds)** | Sets the credit card host response time before rejecting the transaction. The recommended time is 60 seconds.                                                   |
| {% endstep %}                 |                                                                                                                                                                 |

{% step %}
**Bay Config**

Configure the Bay Configuration parameters:

![](/files/c68f3d6a2e81394b37fa73c9ebc9c366da5e475c)

| Value                 | Description                |
| --------------------- | -------------------------- |
| **Bay Configuration** |                            |
| **Bay**               | Sets the Bay to configure. |
| **Enabled**           | Enables the selected Bay.  |

| Value                   | Description                                                                                               |
| ----------------------- | --------------------------------------------------------------------------------------------------------- |
| **Debit Enabled**       | Enables Debit Cards for the selected Bay.                                                                 |
| **Bay IP**              | Sets the IP address for the selected Bay.                                                                 |
| **Authorization Port**  | Sets the port on which authorization messages are exchanged. Value is system assigned cannot be changed.  |
| **Alert Port**          | Sets the port on which alert messages are exchanged. Value is system assigned cannot be changed.          |
| **Entry Port**          | Sets the port on which entry messages are exchanged. Value is system assigned cannot be changed.          |
| **Reconciliation Port** | Sets the port on which reconciliation messages are exchanged. Value is system assigned cannot be changed. |
| {% endstep %}           |                                                                                                           |

{% step %}
**Packages**

Configure the Car Wash Packages parameters:

![](/files/041d069858f8cad90b5c637425645a6f687a2af1)

| **Packages**                                                                                                                                                                            | Determines the Car Wash packages for the Bay. Choose up to four packages. |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------- |
| <div data-gb-custom-block data-tag="hint" data-style="info" class="hint hint-info"><p>Car Wash packages are entered in the Car Wash Configuration form in Car Wash Key Setup.</p></div> |                                                                           |
| {% endstep %}                                                                                                                                                                           |                                                                           |

{% step %}
**Save Changes**

Select **\[Save]** to accept or **\[Cancel]** to exit without saving changes.
{% endstep %}
{% endstepper %}

**Unitec Car Wash Payment System Initialization**

After configuring CWPP from the Verifone Configuration Client, initialize the Unitec Car Wash Payment System. Initialization from the Devices menu sends any new configuration and/or price data out to site level peripheral devices.

{% stepper %}
{% step %}
**Open Initialization**

From the Verifone Configuration Client, go to: **Devices > Initialization > Car Wash Pay point**

![](/files/fd0dbc44ebd15cae0f69f2ab77c429398a433946)

A message will display indicating **“Car Wash Pay Point Initialization Successfully Sent”**.
{% endstep %}

{% step %}
**Confirm**

Select **\[OK]**.

![](/files/52a77a128ff42b4760bb18456099ddaee626cc15)
{% endstep %}

{% step %}
**Verify Names**

Verify that all Car Wash Payment System devices have the correct Car Wash Names and Prices.

{% hint style="info" %}
Initialization sends a communication out to each bay configured for CWPP.
{% endhint %}
{% endstep %}
{% endstepper %}

### Using Car Wash Pay Point

The Consumer will select the appropriate Car Wash Package from the CWWP device. The Sales tab displays and functions as a Point of Sale console interface. This requires no action at the POS.

#### Normal Operations

From the CWWP bay/device, follow the Instructions on the LCD to complete a Car Wash sale.

{% stepper %}
{% step %}
**Select Package**

Select the **\<Car Wash>** package.

![](/files/cac00032569da62d8cc4baeeaad01752d50fa474)
{% endstep %}

{% step %}
**Purchase**

Click **\[Purchase]**.

![](/files/b9b457672497c6b50d980d52682f55336393e86b)

A code will be generated and displayed on the screen.
{% endstep %}

{% step %}
**Enter Code**

Enter the **\[Code]**.

![](/files/0399643597dcee1bddecbcc289083bab1d115433)
{% endstep %}

{% step %}
**Complete Sale**

Make the payment.

Select **\[Done]**.

Obtain the credit receipt.
{% endstep %}
{% endstepper %}

***Receipt Details:***

<figure><img src="/files/cQnMSo0EJcRWMD80AVmc" alt=""><figcaption></figcaption></figure>

* **HEADER:** Receipt header for Car Wash purchase.
* **DATE:** Date the receipt was printed.
  * **MM/DD/YY:** Date in month, date year format.
* **TIME:** Time the receipt was printed.
  * **HH:MM:** Time in hour & minutes.
* **WASH**: Name of the car wash purchased.
* **PRICE:** Cost of the Car Wash.
* **TRANS NUM:** POS transaction number.
* **STN #:** STAN is the System Trace Audit Number used by Viper as a way to track the financial transaction.
* **DISCOVER:** Credit card type.
* **INV #:** Bill of sale number.
* **AUTH #:** Credit card authorization number.
* **TRAILER:** Receipt trailer for Car Wash purchase.

#### Close Car Wash Pay Point Period from POS Terminal

A new Pay Point reporting period is displayed in the CWPP Reconciliation Report. This report generally covers several days and shows the collected and dispensed amounts as change.

**Procedure**

{% stepper %}
{% step %}
**CSR Func**

From POS sales, select **\[CSR Func]**.
{% endstep %}

{% step %}
**Reporting Menu**

Click **\[Reporting Menu]**.
{% endstep %}

{% step %}
**Close Period**

Select **\[Close Car Wash Pay Point Period]**.

A message will display indicating “***Close Carwash Pay Point Period”***.

![](/files/27db60989806af54c4677f4754e0d07a6e73b001)
{% endstep %}

{% step %}
**Confirm**

Select **\[OK]** to close or **\[Cancel]** to keep the current CWPP active.

![](/files/5828d17737c9f40ab138237ff3aa2dda7514abe3)

A message will display indicating ***“Close Carwash Pay Point Period Completed Successfully.”***

Select **\[OK]**.
{% endstep %}
{% endstepper %}

#### Close Car Wash Pay Point Period from the Verifone Configuration Client

**Procedure**

{% stepper %}
{% step %}
**Open Report**

From the Verifone Configuration Client, go to: Reporting > Close CarWash Paypoint Period.

![](/files/15352943c18c383be7cfb78b6fa3315f67849215)

![](/files/032bb98694479c5608a1cd5fe63576caf660f5c2)

The system will reconcile and close the CWPP Period.
{% endstep %}

{% step %}
**Confirm**

Click **\[OK]**.
{% endstep %}
{% endstepper %}

### Reporting

#### Car Wash Pay Point Reconciliation Report

All CWPP sales are reported under the sales reporting period configured above. The Pay Point reporting period is documented in the CWPP Reconciliation Report. This report generally covers several days and reports the amount collected and dispensed as change.

* Credit-based sales are reported and can be reconciled with host totals.
* Cash sales are handled at the Car Wash bay. The Sales proceeds are retrieved on an irregular basis. Therefore, a separate Car Wash Reconciliation Report has been made available at the POS

**POS Procedure**

{% stepper %}
{% step %}
**CSR Func**

From Sales > go to: **\[CSR Func]**.

![](/files/59a445545c947ad4b7fdcfded8dd438cab0ccfa1)
{% endstep %}

{% step %}
**Reporting Menu**

Select the **\[Reporting Menu]**.
{% endstep %}

{% step %}
**Print Period**

Select **\[Print Carwash Pay Point Period]**.
{% endstep %}

{% step %}
**Select Period**

From the Select Period list, press the **\<report>** to print.

![](/files/b095131f73ec80eaf2ab40806e327279a302685d)

The Car Wash Pay Point Reconciliation Report prints.
{% endstep %}
{% endstepper %}

{% hint style="info" %}
Cash sales do not come from the POS. Totals come from the Accounting Reports of the device.
{% endhint %}

**Report Details:**

![](/files/2c4edd7d95be6f0b5f0e6a51dff9e08d259688df)

* **TITLE:** CARWASH PAY POINT RECONCILIATION REPORT
* **DLR #:** Dealer identification number.
* **DATE:** Date the report was printed.
  * **MM/DD/YY:** Date in month, date year format.
* **TIME:** Time the report was printed.
  * **HH:MM:SS:** Time in hour & minutes.
* **STORE #:** Store location number.
* **REGISTER #:** POS number.
* **SHIFT #:** Shift range being tracked.
* **CASHIER #:** Cashier running the report.
* **OPEN SHIFT:** Date and time the shift began.
  * **MM/DD/YY:** Date in month, date year format.
  * **HH:MM:SS:** Time in hour, minutes, and seconds.
* **CLOSE SHIFT:** Date and time the shift ended.
  * **MM/DD/YY:** Date in month, date year format.
  * **HH:MM:SS:** Time in hour, minutes, and seconds.

#### Report Navigator Procedure

{% stepper %}
{% step %}
**Launch**

Launch Report Navigator.
{% endstep %}

{% step %}
**Period Type**

Select the desired **\[Period Type]**.
{% endstep %}

{% step %}
**Reconciliation**

Select the **\[Reconciliation]** Report.
{% endstep %}

{% step %}
**Add**

Select **\[Add]**.
{% endstep %}

{% step %}
**Process**

Select **\[Process]**.

![](/files/b91b5477e6b7f5eed0de6218d30fc38a98da67e0)

The Carwash Pay Point Reconciliation Report displays.
{% endstep %}
{% endstepper %}

![](/files/7682364b994d63e6f8d75eacc922eae8ae457415)

{% hint style="info" %}
These reports are reconciled against one another.
{% endhint %}

#### Unitec Wash Select II Accounting Reports

{% stepper %}
{% step %}
**Setup Mode**

Open the Unitec Wash Select II and switch the Wash Select II to **\[Setup mode]**.
{% endstep %}

{% step %}
**Reporting Menu**

Enter the Reporting System menu.
{% endstep %}

{% step %}
**Detail Report**

Select Clear Accounting Data > Accounting Report Summary > **\[Accounting Report Detailed]**.
{% endstep %}

{% step %}
**Print Report**

Select Print Report Summary > **\[Report Detailed]**.
{% endstep %}

{% step %}
**Clear Data**

Select **\[Clear Accounting Data]**, as per store procedure.
{% endstep %}
{% endstepper %}

Once satisfied, these totals will be captured and reconciled against the Car Wash Pay Point Reconciliation Report.

#### Report Reconciliation

Cash sales do not come from the POS. Totals come from the Accounting Reports of the device.

![](/files/add0d8da5e8c5338adf5dea9bab5646e19d7fffc)

## Troubleshooting

### Error Code Table

<table><thead><tr><th width="134">Error Code</th><th width="249">Message</th><th>Description / Action</th></tr></thead><tbody><tr><td><strong>E1174</strong></td><td><em>NO CAR WASH COMM</em></td><td>The POS and Car Wash controller are not communicating. Check that the controller is plugged in and connected to the correct POS COM port.</td></tr><tr><td><strong>E1170</strong></td><td><em>CARWASH QTY SALE NOT ALLOWED</em></td><td>Car Washes can only be sold one at a time.</td></tr><tr><td><strong>E1171</strong></td><td><em>NO CAR WASH KEY DEFINED FOR PLU</em></td><td>A key for this Car Wash item must be defined. Set up a Car Wash PLU.</td></tr><tr><td><strong>E1210</strong></td><td><em>CAR WASH DOWN CODE AVAILABLE</em></td><td>The POS is not communicating with the Car Wash controller but can still provide a Car Wash code. The code is valid for a specified time.</td></tr><tr><td><strong>E1211</strong></td><td><em>CAR WASH CODE UNAVAILABLE</em></td><td>The POS is communicating with the Car Wash controller but no Car Wash code is available. Initiate service to investigate the problem.</td></tr><tr><td><strong>E3033</strong></td><td><em>ERROR IN CARWASH SETUP</em></td><td>The Car Wash parameters have not been set up correctly in > Discount Type prompt displays > PLU Promotion File function. Check the Car Wash parameters.</td></tr><tr><td><strong>E4003</strong></td><td><em>INVALID CAR WASH DEPARTMENT</em></td><td>The Car Wash function has been specified but the number entered has no department setup. Check the department number and re-enter the information.</td></tr><tr><td><strong>E4004</strong></td><td><em>INVALID DAY</em></td><td>Displays if the Car Wash controller returns an invalid day.</td></tr><tr><td><strong>E4005</strong> <strong>(Either may appear)</strong></td><td><em>INVALID INPUT__ERROR DISABLING CAR WASH</em></td><td>The value entered was invalid. Wait for the prompt to clear and enter the correct information. An unsuccessful attempt was made to disable Car Wash. Check the connections and initiate service if the connections are good.</td></tr><tr><td><strong>E4006</strong></td><td><em>ERROR ENABLING CAR WASH</em></td><td>An unsuccessful attempt was made to enable Car Wash. Check the connections and initiate service if the connections are good.</td></tr></tbody></table>

| Error Code | Message                        |                                                                                                                                                                     |
| ---------- | ------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **E4007**  | *PLU ALREADY USED*             | Attempted to assign a PLU to Car Wash but it already exist. Assign another PLU.                                                                                     |
| **E4008**  | *NO OPEN PLUS ALLOWED*         | Attempted to assign an open PLU to a Car Wash. This is not allowed.                                                                                                 |
| **E4009**  | *UNABLE TO READ CAR WASH FILE* | Attempted to assign a PLU to Car Wash but the Car Wash key file cannot be read. Initiate service to investigate the problem.                                        |
| **E4010**  | *ONLY CAR WASH ITEMS ALLOWED*  | Attempted to assign a PLU to Car Wash when the PLU has not been assigned a department. Assign a Car Wash department to the PLU and then assign the PLU to Car Wash. |
| **E4011**  | *C/W PORT CONFLICT*            | Alarm Line Only: Another device has been assigned to the Car Wash port. Check for correct port assignments.                                                         |
| **E4012**  | *CAR WASH COM ERROR*           | Alarm Line Only: The POS was unable to communicate with the Car Wash device. Initiate service to investigate the problem.                                           |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.verifone.com/feature-references/feature-references/car-wash-pay-point.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
