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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.
Press for
1
5 seconds
Press for 5
3
seconds to
quit checking
• For certain errors, you may restart the unit for limited operation if there are 4 beeps when
operation starts.
Diagnostic
Abnormality/Protection
display
control
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
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
Outdoor air temperature sensor
H 27
abnormality
Outdoor heat exchanger temperature
H 28
sensor abnormality
Outdoor discharge pipe temperature
H 30
sensor abnormality
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
All manuals and user guides at all-guides.com
ON
ON
TIMER
TIMER
OFF
OFF
SET
SET CHECK CLOCK
CLOCK
Press until you hear
2
beep sound, then write
SET
SET
down the error code
CANCEL
CANCEL
Turn the unit off and
4
AC
AC
RC
RC
reveal the error code to
RESET
RESET
authorised dealer
Diagnostic
Abnormality/Protection
display
control
Outdoor liquid pipe temperature
H 37
sensor abnormality
Indoor/outdoor mismatch
H 38
(brand code)
Abnormal indoor operating unit or
H 39
standby units
Abnormal wiring or piping
H 41
connection
H 59
Eco sensor abnormality
Outdoor high pressure sensor
H 64
abnormality
H 67
nanoe abnormality
H 70
Light sensor abnormality
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
Indoor standby units freezing
F 17
abnormality
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
15
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