Error code Fault Possible cause Remedy
A0 Source malfunction Wrong phasing or phase failure Determine the cause and then make the correct connection
Supply
C0 Remote Malfunction Poorly connected wires to Check the connection
(Wired) control unit of the remote unit of the remote unit
Or there is no connection
C1 Communication failure between the internal The wire is interrupted Contact the nearest service center.
And the outdoor unit by the indoor and outdoor unit
E1 Sensor fault Sensor defective Disconnect power and check the connection of the sensor. If this
Room temperature did not help - replace the sensor.
E2 Sensor fault Sensor defective Disconnect power and check the connection of the sensor. If it does not help, replace the sensor.
Temperature of the heat exchanger
Indoor unit
E4 Sensor fault Sensor defective Disconnect power and check the connection of the sensor. If it does not help, replace the sensor.
Temperature of the heat exchanger
Outdoor unit
H1 Tripping of the outdoor unit Defect the outdoor unit Determine the cause of the fault according to the fault indication on the outdoor unit display
Outdoor unit
H2 Triggering the protection system The temperature from the outside is too high. Find out the cause and fix it by
Compressor from overload to high or blocked capabilities
High pressure ventilation ducts
Outdoor unit or clogged
Filter / heat exchanger
Outdoor unit
H3 Tripping of the protection system Temperature from the outside too Clear the cause and eliminate it by
Compressor from overload to low, or leakage occurred
Low pressure (vacuum) of the coolant from the system, or
Pressure drops too
Quickly when the coolant is pumped in
Outdoor unit
H4 Tripping of the high sensor 1. Too much water The system automatically copes with the problem within 20 minutes.
The condensate level is formed in the cooling mode. During automatic elimination of the overflow problem with condensed water, only the "HEATING" and
Room or dehumidification "VENTILATION" is available
Room air. Or 1. The system is in locked
Problems with the outflow of condensate. Condition. It is necessary to switch off the system and check the pump for evacuation of condensate water.
2. If within 20 minutes. 2. After fixing the problem, turn on the air conditioner.
System failed to cope with
High level of condensate
Water - sound sound
alert
P1 Tripping of the protection system The protection system has tripped The system will return to the operating mode
Heat exchanger int. Automatically
From icing in mode
Cooling the room
P2 Tripping of the protection system The protection system has tripped The system will return to the operating mode
Heat exchanger internal automatically
Block from overheating in mode
Room heating
P3 Tripping of the protection system The protection system has tripped The system will return to the operating mode
External heat exchanger
Block from overheating in mode
Cooling the room
FF System failure The protection system has tripped. Switch off and on the air conditioner
P6 Cold supply protection The protection system has tripped The system will return to the operating mode
Air in heating mode automatically
Premises
P7 Icing (outdoor unit) The protection system has tripped The system will return to the operating mode
In room heating mode automatically
P8 Heating mode indicator The protection system has tripped The system will return to the operating mode
Compressor crankcase
CF Need indicator Filter contamination Switch off the air conditioner and
Cleaning or changing filters filter cleaning.