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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
Indoor/outdoor abnormal
H 11
communication
H 12
Indoor unit capacity unmatched
Indoor intake air temperature sensor
H 14
abnormality
Outdoor compressor temperature
H 15
sensor abnormality
Outdoor current transformer (CT)
H 16
abnormality
Outdoor suction temperature sensor
H 17
abnormality
H 19
Indoor fan motor mechanism lock
Indoor float switch operation
H 21
abnormality
Indoor heat exchanger temperature
H 23
sensor 1 abnormality
Indoor heat exchanger temperature
H 24
sensor 2 abnormality
H 25
Indoor ion device abnormality
H 26
Minus ION abnormality
Outdoor air temperature sensor
H 27
abnormality
Outdoor heat exchanger temperature
H 28
sensor 1 abnormality
Outdoor discharge pipe temperature
H 30
sensor abnormality
H 31
Abnormal swimming pool sensor
Outdoor heat exchanger
H 32
temperature sensor 2 abnormality
Indoor/outdoor misconnection
H 33
abnormality
Outdoor heat sink temperature sensor
H 34
abnormality
Indoor/outdoor water adverse current
H 35
abnormality
Outdoor gas pipe temperature
H 36
sensor abnormality
Outdoor liquid pipe temperature
H 37
sensor abnormality
Indoor/outdoor mismatch
H 38
(brand code)
Abnormal indoor operating unit or
H 39
standby units
* Some error code may not be applicable to your model. Consult authorised dealer for clarification.
14
Press for
5 seconds
O N
O N
T I M E R
T I M E R
O FF
OFF
Press for 5
seconds to quit
checking
SE T
SET CHECK CLOCK
2
Press until you hear beep
sound, then write down the
SET
SE T
error code
CANCEL
CANCEL
Turn the unit offand
4
A C
A C
R C
R C
reveal the error code to
authorised dealer
CLOCK
R ESET
RESET
Diagnostic
display
H 41
H 50
H 51
H 52
H 58
H 59
H 64
H 67
H 70
H 71
H 72
H 97
H 98
H 99
F 11
F 16
F 17
F 18
F 87
F 90
F 91
F 93
F 94
F 95
F 96
F 97
F 98
F 99
Abnormality/Protection control
Abnormal wiring or piping
connection
Ventilation fan motor locked
Ventilation fan motor locked
Left-right limit switch fixing
abnormality
Indoor gas sensor abnormality
Eco sensor abnormality
Outdoor high pressure sensor
abnormality
nanoe abnormality
Light sensor abnormality
DC cooling fan inside control board
abnormality
Abnormality tank temperature sensor
Outdoor fan motor mechanism lock
Indoor high pressure protection
Indoor operating unit freeze protection
4-way valve switching abnormality
Total running current protection
Indoor standby units freezing
abnormality
Dry circuit blocked abnormality
Control box overheat protection
Power factor correction (PFC)
circuit protection
Refrigeration cycle abnormality
Outdoor compressor abnormal
revolution
Compressor discharge pressure
overshoot protection
Outdoor cooling high pressure
protection
Power transistor module overheating
protection
Compressor overheating protection
Total running current protection
Outdoor direct current (DC) peak
detection
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