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Find troubleshooting guides, setup help, and support resources for payment terminals and POS systems.
Merchant Solutions Corp provides onboarding, deployment, and payment processing support.
Software-specific and hardware-specific support may be handled by the device or platform provider.
Search by terminal brand, issue type, or keyword such as Wi-Fi, printer, declined, frozen, or receipt.
Troubleshoot connectivity, printer, power, and transaction issues.
Find help for Clover and Square POS systems.
Learn how to set up and test Dejavoo, PAX, and Ingenico terminals.
Get help with funding, deposits, chargebacks, and account questions.
Understand what Merchant Solutions Corp helps configure.
Jump directly to the most common terminal issues.
15 articles found
If the terminal cannot connect, check the Ethernet cable or Wi-Fi connection first. Restart the modem, router, and terminal. In many cases, a simple reboot restores communication.
A COMM ERROR usually points to a network or communication problem. Check internet access, verify the terminal date and time, and restart the router and terminal.
If the terminal becomes unresponsive, hold the power button until it restarts. This often resolves temporary software lockups.
Use the communications menu to connect the device to the proper Wi-Fi network. Confirm the correct password and use a stable network connection.
Verify Wi-Fi or Ethernet settings, confirm the password, test the network on another device, and restart the terminal.
Hold the power button and restart the device. A reboot resolves many temporary software issues.
Check that thermal paper is loaded correctly and that the paper roll is not empty. Re-seat the roll and try printing again.
Inspect the charging cable, adapter, and outlet. If needed, test with another charger.
Restart the terminal, check internet connectivity, confirm the merchant account is active, and run a test transaction.
Test another card and clean the card reader using an approved cleaning card. Restart the terminal after cleaning.
Check Ethernet or Wi-Fi status, restart the router, and then restart the terminal.
Check the network connection, restart the Clover device, and verify that the system is fully updated.
Check the paper roll, confirm the paper is loaded correctly, and run a test receipt.
Restart the device, reconnect to Wi-Fi, and verify the network is functioning.
Confirm the cable and outlet are working and reconnect the reader.
Select a brand to see common issues and setup guides.
Step-by-step guides for deploying and testing payment terminals.
Verification Checklist
Verification Checklist
Verification Checklist
Understand whether Merchant Solutions Corp or the device/platform provider handles your issue.
| Support Topic | Merchant Solutions Corp | Device / Platform Provider |
|---|---|---|
| Merchant account setup | — | |
| Funding and deposits | — | |
| Chargebacks | — | |
| Terminal deployment | Sometimes | |
| POS software bugs | — | |
| Clover software support | — | |
| Square software support | — | |
| Hardware manufacturer issues | Limited |
