Network Troubleshooting

This section includes information about different network errors and how to solve for them.

Use this when a device shows a network, communication, or connection error and you need a starting point for troubleshooting.

Symptoms

• A network, communication, or connection error on the device

Resolve the issue

1

Check the internet service

Verify the site has an internet connection. Without one, devices can fail to install or process transactions.

✅ Issue fixed — stop here. ❌ Still not working — continue to the next step.

2

Check the hardware connection

Verify all peripherals connected to the device are securely plugged in. Re-seat anything loose.

✅ Issue fixed — stop here. ❌ Still not working — continue to the next step.

3

Check the network configuration

Verify all required network details are set correctly — IP Address, Subnet Mask, Gateway, DNS1, and DNS2. If any are incorrect, adjust them using the correct values from your Level 1 Helpdesk, Merchant Services Provider, or Verifone.

✅ Issue fixed — stop here. ❌ Still not working — continue to escalation below.

Seeing a specific error?

If the device is showing "Comm Error" or "Communication Error" specifically, see Comm Error for targeted troubleshooting.

Still not working? Contact the Helpdesk

Need assistance? Contact Verifone Helpdesk at any time.

• Use our Chat platform
• Or call 1.800.VERIFONE (837.4366)

Keywords

Also called: general network troubleshooting, connection error, communication error. Search terms: network troubleshooting, connection error.