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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 fl oat 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 temperature
H 32
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 clarifi cation.
22
ACXF55-27061.indb 22
ACXF55-27061.indb 22
All manuals and user guides at all-guides.com
Press for
5 seconds
ON
ON
TIMER
TIMER
OFF
OFF
Press for 5
seconds to
AC
AC
SET CHECK CLOCK
SET
CLOCK
quit checking
2
Press until you hear
beep sound, then write
SET
SET
down the error code
CANCEL
CANCEL
Turn the unit off and
4
RC
RC
reveal the error code to
RESET
RESET
authorised dealer
Diagnostic
Abnormality/Protection control
display
Abnormal wiring or piping
H 41
connection
H 50
Ventilation fan motor locked
H 51
Ventilation fan motor locked
Left-right limit switch fi xing
H 52
abnormality
H 58
Indoor gas sensor abnormality
H 59
Eco sensor abnormality
Outdoor high pressure sensor
H 64
abnormality
H 67
nanoe abnormality
H 70
Light sensor abnormality
DC cooling fan inside control board
H 71
abnormality
H 72
Abnormality tank temperature sensor
Abnormal communication between
H 85
indoor & wireless LAN module
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
Indoor standby units freezing
F 17
abnormality
F 18
Dry circuit blocked abnormality
F 87
Control box overheat protection
Power factor correction (PFC)
F 90
circuit protection
F 91
Refrigeration cycle abnormality
Outdoor compressor abnormal
F 93
revolution
Compressor discharge pressure
F 94
overshoot protection
Outdoor cooling high pressure
F 95
protection
Power transistor module overheating
F 96
protection
F 97
Compressor overheating protection
F 98
Total running current protection
Outdoor direct current (DC) peak
F 99
detection
12/3/2019 9:45:11 AM
12/3/2019 9:45:11 AM
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