23
Error Codes
ERR 1
Thermostat Temperature Sensor Hardware Defect
ERR 2
Thermostat Radio Hardware Defect
ERR 3
Thermostat Radio Software Defect
ERR 4
No link with the Wireless Control Card
ERR 5
Thermostat Memory Defect
Troubleshooting
Thermostat is not controlling the PTAC unit.
Verify the status of the red light on the Wireless Control Card;
➤
The red light is off
The Wireless Control Card is not powered. Verify that the Wireless Control Card is properly
wired to the PTAC unit - specifically make sure that the RED and the BLACK wire are
properly connected;
➤
If the red light is blinking with one (1) flash
The Wireless Control Card is powered but it is not communicating with the thermostat, turn
the thermostat off and on to re-initiate the linking procedure.
➤
The red light is blinking with three (3) flashes.
The Wireless Control Card is communicating with the thermostat. Verify that the Wireless
Control Card is properly wired to the PTAC unit and that equipment settings on a
thermostat - compressor type, electric heat and reversing valve - are properly configured.
