Equipment guide

Zoneline VTAC error codes

Codes are manufacturer-specific. Choose the exact brand shown on your equipment.

1
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 1 as: Inside-fan fault: the fan motor is not moving at the commanded speed after 90 seconds of drive. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 10
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 10 as: Heat-pump overload fault: inside-coil temperature exceeded 131°F. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 11
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 11 as: Overheat fault: incoming air is at least 95°F and too hot to run the heater. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 13
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 13 as: Heater-airflow fault. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 17
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 17 as: Outlet-thermistor fault caused by an open or short circuit. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 18
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 18 as: Outlet-air over-temperature. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 19
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 19 as: Outlet-air over-temperature. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 2
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 2 as: Outside-fan fault: the fan motor is not moving at the commanded speed after 90 seconds of drive. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 25
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 25 as: Abnormal-defrost fault after five consecutive defrost cycles failed to warm the outdoor coil above 68°F. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 3
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 3 as: External-thermostat wiring fault: the applied signal has remained invalid for 30 seconds. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 4
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 4 as: An inside thermistor is not reading a valid temperature. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 5
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 5 as: An outside thermistor is not reading a valid temperature. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 6
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 6 as: Compressor fault: no temperature change was detected after one minute of operation. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 7
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 7 as: Reversing-valve fault: the expected temperature change did not occur after one minute of operation. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 8
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 8 as: Software fault caused by a stack overflow. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.

 9
GE

The official 2021 GE Zoneline VTAC Technical Service Guide 31-9366 identifies 9 as: Indoor-coil freeze fault: coil temperature fell below the 34°F freeze threshold. This definition applies only to 2021 GE Zoneline AZ95H vertical packaged terminal air conditioners.