13
EnglishTroubleshooting
How to retrieve error codes
If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.
TIMER
SET
CANCEL
ON
OFF
SET CHECK CLOCK RESET
AC
RC
ET
AN
E
FF
ET CL
C
E
ET
Press for 
5 seconds
Press for 5 
seconds to 
quit checking
Press until you hear 
beep sound, then write 
down the error code
Turn the unit off and 
reveal the error code to 
authorised dealer
21
3
4
• 
For certain errors, you may restart the unit for limited operation if there are 4 beeps when operation starts.
Diagnostic 
display
Abnormality/Protection control
H 00 No memory of failure
H 11
Indoor/outdoor abnormal 
communication
H 12 Indoor unit capacity unmatched
H 14
Indoor intake air temperature sensor 
abnormality
H 15
Outdoor compressor temperature 
sensor abnormality
H 16
Outdoor current transformer (CT) 
abnormality
H 17
Outdoor suction temperature sensor 
abnormality
H 19 Indoor fan motor mechanism lock
H 21
Indoor fl oat switch operation 
abnormality
H 23
Indoor heat exchanger temperature 
sensor 1 abnormality
H 24
Indoor heat exchanger temperature 
sensor 2 abnormality
H 25
Indoor ion device abnormality
H 26 Minus ION abnormality
H 27
Outdoor air temperature sensor 
abnormality
H 28
Outdoor heat exchanger temperature 
sensor 1 abnormality
H 30
Outdoor discharge pipe temperature 
sensor abnormality
H 31 Abnormal swimming pool sensor
H 32
Outdoor heat exchanger
temperature sensor 2 abnormality
H 33
Indoor/outdoor misconnection 
abnormality
H 34
Outdoor heat sink temperature sensor 
abnormality
H 35
Indoor/outdoor water adverse current 
abnormality
H 36
Outdoor gas pipe temperature
sensor abnormality
H 37
Outdoor liquid pipe temperature
sensor abnormality
H 38
Indoor/outdoor mismatch 
(brand code)
H 39
Abnormal indoor operating unit or
standby units
Diagnostic 
display
Abnormality/Protection control
H 41
Abnormal wiring or piping
connection
H 50 Ventilation fan motor locked
H 51 Ventilation fan motor locked
H 52
Left-right limit switch fi xing 
abnormality
H 58 Indoor gas sensor abnormality
H 59 Eco sensor 
abnormality
H 64
Outdoor high pressure sensor
abnormality
H 67 nanoe abnormality
H 70 Light sensor 
abnormality
H 71
DC cooling fan inside control board 
abnormality
H 72 Abnormality tank temperature sensor
H 97 Outdoor fan motor mechanism lock
H 98 Indoor high pressure protection
H 99 Indoor operating unit freeze protection
F 11 4-way valve switching abnormality
F 16 Total running current protection
F 17
Indoor standby units freezing
abnormality
F 18 Dry circuit blocked abnormality
F 87 Control box overheat protection
F 90
Power factor correction (PFC)
circuit protection
F 91 Refrigeration cycle abnormality
F 93
Outdoor compressor abnormal 
revolution
F 94
Compressor discharge pressure
overshoot protection
F 95
Outdoor cooling high pressure 
protection
F 96
Power transistor module overheating 
protection
F 97 Compressor overheating protection
F 98 Total running current protection
F 99
Outdoor direct current (DC) peak 
detection
* Some error code may not be applicable to your model. Consult authorised dealer for clarifi cation.