COOPER & HUNTER Air Conditioner Error Codes

COOPER & HUNTER AC Error Codes

E0 - excess of the lower threshold starting voltage. Run frequency control.

Е1 - excess pressure. Starting the compressor protection system.

E2 - the threat of freezing of the indoor unit. Start the security system.

E3 - lowering the allowable pressure threshold. Starting the compressor protection system.

E4 - exceeding the permissible temperature of the injection tube. Start the security system.

E5 - compressor overload. Start the security system.

E6 - connection / operation error signal or power cable.

E7 - the established modes of the split system do not match.

E8 - evaporator overheating. Start the security system.

Е9 - launch of the protection system against cold air supply in thermal mode.

F0 - failure of the temperature discharge sensor.

F1 - evaporator temperature sensor failure.

F2 - failure of the condenser temperature sensor.

F3 - breakdown of the air temperature sensor in the system.

F4 - failure of the supercharger temperature sensor.

F5 - failure of the compressor discharge tube sensor.

F6 - condenser overheating.

F7 - insufficient lubrication in compressor crankcase.

F8 - the compressor is overloaded. Start the security system.

F9 - exceeding the maximum temperature of the condenser due to the decrease in fan speed during cooling. The compressor is overloaded.

FF - one of the phases is missing / an error in the operation of the phase monitor.

FA - condenser / evaporator overheating. Start the security system.

FH - the threat of freezing evaporator. Start the security system.

H0 - overheating protection activated.

H1 - condenser defrost mode activated.

H2 - error in the electrostatic filter. Start the security system.

H3 - exceeding the permissible temperature of the compressor. Start the security system.

H4 - system error.

H5 - start the protection system of the IPM inverter unit.

H6 - sensor failure. Lost feedback signal from fan motor.

H7 - the compressor is faulty.

H8 - drainage system is full. Launch protection.

H9 - failure of the electric heater of the indoor unit.