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Troubleshooting
How to retrieve error codes
If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.
1
3
• For certain errors, you may restart the unit for limited operation if there are 4 beeps when operation starts.
Diagnostic
Abnormality/Protection control
display
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
Outdoor compressor temperature sensor
H 15
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
Indoor heat exchanger temperature sensor 1
H 23
abnormality
Indoor heat exchanger temperature sensor 2
H 24
abnormality
H 25
Indoor ion device abnormality
H 26
Minus ION abnormality
H 27
Outdoor air temperature sensor abnormality
Outdoor heat exchanger temperature sensor
H 28
abnormality
Outdoor discharge pipe temperature sensor
H 30
abnormality
H 31
Abnormal swimming pool sensor
Outdoor heat exchanger temperature sensor 2
H 32
abnormality
H 33
Indoor/outdoor misconnection abnormality
Outdoor heat sink temperature sensor
H 34
abnormality
H 35
Indoor/outdoor water adverse current abnormality
H 36
Outdoor gas pipe temperature sensor abnormality
Outdoor liquid pipe temperature sensor
H 37
abnormality
H 38
Indoor/outdoor mismatch (brand code)
* Some error code may not be applicable to your model. Consult authorised dealer for clarification.
22
Press for 5
seconds
ON
ON
TIMER
TIMER
Press for 5
OFF
OFF
seconds to quit
checking
Press until you hear beep
2
sound, then write down the
SET
SET
error code
CANCEL
CANCEL
Turn the unit off and
4
reveal the error code to
authorised dealer
Diagnostic
Abnormality/Protection control
display
H 39
Abnormal indoor operating unit or standby units
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
Compressor discharge pressure overshoot
F 94
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
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