Walton AC E1 Error — Indoor/Outdoor Communication Fault & Fix
E1 on a Walton AC means communication between the indoor and outdoor units has failed. The indoor unit cannot send or re…
Walton Air Conditioner Error Codes
Every Walton Air Conditioner code we cover — tap a code for the full fix.
Walton AC E3 Error — Indoor Fan Speed Fault & Fix
E3 on a Walton AC means the indoor fan motor is running at an incorrect speed or has stopped. The control board detects…
Walton AC E4 Error — Indoor Room Temperature Sensor Fault & Fix
E4 on a Walton AC means the indoor room temperature sensor (return-air thermistor) has an open or short circuit.
Walton AC E5 Error — Indoor Coil Temperature Sensor Fault & Fix
E5 on a Walton AC means the indoor coil (evaporator pipe) temperature sensor has an open or short circuit.
Walton AC EC Error — Low Refrigerant (Gas Leak) & Fix
EC on a Walton AC means the system has detected low refrigerant — the unit is likely leaking gas. The compressor stops t…
Walton AC F0 Error — Outdoor Current Overload & Fix
F0 on a Walton AC means the outdoor unit has detected a current overload — the compressor or system is drawing more powe…
Walton AC F1 Error — Outdoor Ambient Temperature Sensor Fault & Fix
F1 on a Walton AC means the outdoor ambient temperature sensor (T4 thermistor) has an open or short circuit.
Walton AC F2 Error — Outdoor Coil Temperature Sensor Fault & Fix
F2 on a Walton AC means the outdoor condenser coil temperature sensor (T3 thermistor) has an open or short circuit.
Walton AC F3 Error — Compressor Discharge Sensor Fault & Fix
F3 on a Walton AC means the compressor discharge temperature sensor (T5 thermistor) on the outdoor unit has an open or s…
Walton AC F4 Error — Outdoor EEPROM Fault & Fix
F4 on a Walton AC means the outdoor unit EEPROM (memory chip) has a read/write error. The PCB cannot load its configurat…