E - classification code, 0 - detailed code.
A0- Protective device tripped ( general)
A1- Malfunction of the printed circuit board of the indoor unit
A2 - Fan motor lock
A3 - Abnormal drainage
A4 - Heat exchanger malfunction (temperature)
A5 - Abnormal heat exchanger temperature
A6 - Fan motor overload
A7- Malfunction of the blinds drive
A8 - Total current overload
A9 - Defect of electronic expansion valve
AA - Heater Overheat
AH - dirty air filter
AC - Idling
AJ - Incorrect performance setpoint (indoor unit)
AE - Inadequate Water Supply
AF - Humidifier defect
C0 sensor fault (general)
C3 - defective drainage level sensor
C4 - malfunction of the heat exchanger temperature sensor 1
C5 - malfunction of the temperature sensor of the heat exchanger 2
C6 - fan motor overload, sensor lock
C7 - defective shutter drive sensor
C8 - input current sensor defective
C9 - defective input air thermistor
CA - outgoing air thermistor defective
CH - pollution sensor tripped
CC - faulty humidity sensor
CJ - faulty temperature sensor on the control panel
CE - radiation sensor malfunction
CF - high pressure sensor failure
E0- triggered protective device (general)
E1 - malfunction of the printed circuit board of the outdoor unit
E3 - High Pressure Sensor ( HPS ) triggered
E4 - Low Pressure Sensor ( LPS ) triggered
E5 - compressor motor overload, overheating relay
E6 - overcurrent compressor motor lock
E7 - overcurrent fan motor lock
E8 - general current overload
E9 - electronic expansion valve malfunction
AH - current blocking of the pump
EC - anomalous water temperature
EJ - an additional protective device has worked
EE - abnormal water level in the drainage system
EF - defective heat storage unit
H0 - sensor fault (general)
H1 - defective air temperature sensor
H2 - malfunction of the system electric power sensor
H3 - malfunction of the high pressure sensor
H4 - low pressure sensor malfunction
H5 - the compressor does not work. Overload sensor has tripped.
H6 - the lock sensor has triggered. Compressor overload
H7 - the blocking sensor has worked. Fan overload.
H8 - input voltage sensor has triggered.
H9 - the outdoor temperature sensor has triggered.
HA - output air sensor triggered
HH- activated water pump lockout sensor
HC - the hot water sensor has triggered.
HE -drain level sensor activated
HF heat storage unit accident
F0- worked protective devices No. 1 and No. 2
F1 - the protective device of system No. 1 worked
F2 - the protective device of system No. 2 worked
F3 - high discharge pipe temperature
F6 - Anomalous heat exchanger temperature
FA - Inadmissible discharge pressure
FH - high oil temperature
FC - invalid suction pressure
FE - unacceptable oil pressure
FF - Inadmissible Oil Level
J0 - thermistor malfunction
J1 - pressure sensor malfunction (general)
J2 - faulty current sensor
J3 - malfunction of the discharge pipe temperature sensor
J4 - sensor malfunction at low pressure saturation point
J5 - malfunction of the thermistor on the suction pipe
J6 - malfunction of the thermistor on the heat exchanger (1)
J7 malfunction of thermistor on heat exchanger (2)
J8 Malfunction of a liquid pipe thermistor
J9 - gas pipe thermistor malfunction
JA - malfunction of the discharge sensor
JH - oil temperature sensor malfunction
JC - malfunction of the suction pressure sensor
JE - oil pressure sensor malfunction
JF - oil level sensor malfunction
L0 faults in the inverter system
L3 -increase in temperature inside the control box
L4 -increase the temperature of the radiator of the power transistor
L5 - DC overload at the output (short-term)
L6 - overload on alternating current at the output (short-term)
L7 - high input current (multisystem), (common)
L8 electronic thermal relay (delay)
L9 - warning stop (delay)
LA - power transistor is faulty
LC - communication with the inverter of the outdoor unit is faulty
P0 - gas shortage (icing of heat storage equipment)
P1 - lack of phase, power supply imbalance
P3 - temperature increase inside the control unit
P4 - malfunction of the radiator temperature sensor (power transistor)
P5 - DC sensor malfunction
P6 - malfunction of the sensor for output AC / DC
P7 - high input current (in a multisystem)
PJ - incorrect performance setting (outdoor unit)
U0 - low pressure in the system (gas shortage)
U1 - incorrect phase connection (phase change required)
U2 - defect of the power supply (low voltage)
U3 - error in data transfer (general)
U4 - error in data transfer between indoor and outdoor units
U5 - communication error between the indoor unit and the remote control
U6 - communication error between indoor units (main and subordinates)
U7 - communication error between outdoor units, or battery
U8 - communication error between control panels
U9 - error communicating with another system
UA - incorrect parameter setting
UH -detection / indoor unit, address not entered.
UC - incorrect address setting on the CPU
UJ - communication error with peripheral equipment
UE - communication error between the indoor unit and the CPU
UF - installation wiring error / piping
M1 - central control equipment, PCB malfunction
M8 - communication with central control equipment is faulty
MA - defective connection on central control equipment
MC - dual address assignment of central control equipment
31 - defect in the humidity sensor of the circulating air
32 - defect in humidity sensor
33 - defective supply air sensor
34 - defect in the temperature sensor of the circulating air
35 - defect in the outside temperature sensor
36 - temperature sensor defect control panel
3A - defect of the sensor of leakage of water No. 1
3H - water leakage sensor defect No. 2
3C - dew condensation sensor defect
40 - defective valve humidifier
41 - defect cold water valve
42 - defect hot water valve
43 - defect of the cold water heat exchanger
44 - defect in the hot water heat exchanger
51 - overload of the supply air fan motor
52 - overload of the motor of the circulating air fan
53 - poor air supply to the inverter
54 - inverter air circulation poor
60 is a common mistake
61 - PCB malfunction
62 - anomalous ozone concentration
63 - malfunction of the pollution sensor
64- defective room temperature sensor
65- defective outside temperature sensor
68 - malfunction of the high voltage system
6A - defective damper system
6H door switch open
6C - replace the humidifier element
6J -replace a high-performance filter
6E - replace odor removal catalyst
6F- malfunction of the simplified control panel