10
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 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 27
Outdoor air temperature sensor
abnormality
H 28
Outdoor heat exchanger
temperature sensor abnormality
H 30
Outdoor discharge pipe
temperature sensor abnormality
H 33
Indoor/outdoor misconnection
abnormality
H 35
Indoor/outdoor water adverse
current abnormality
H 38
Indoor/outdoor mismatch
(brand code)
Diagnostic
display
Abnormality/Protection
control
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 90
Power factor correction (PFC)
circuit protection
F 91
Refrigeration cycle abnormality
F 93
Outdoor compressor abnormal
revolution
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
The unit stops and the TIMER indicator blinks.
Use remote control to retrieve error code.
TIMER
SET
CANCEL
ON
OFF
1
2
3
SET CHECK CLOCK RESET
AC
RC
ET
AN
E
FF
ET CL
C
E
ET
A
Press until you hear beep sound, then
write down the error code
21
3
Press for 5 seconds
to quit checking
Turn the unit off and reveal the error code
to authorised dealer
4
Press for 5 seconds
• For certain errors, you may restart the unit for limited operation with 4 beeps when operation starts.
Troubleshooting
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