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18
How to retrieve error codes
If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.
TIMER
SET
CANCEL
ON
OFF
SET CHECK CLOCK RESET
AC
RC
TIMER
S
ET
C
AN
C
E
L
ON
O
FF
S
ET CL
O
C
K
R
E
S
ET
A
C
RC
Press for
5 seconds
Press until you hear beep
sound, then write down the
error code
21
Press for 5
seconds to
quit checking
3
Turn the unit off and
reveal the error code to
authorised dealer
4
•
For certain errors, you may restart the unit for limited operation if there are 4 beeps when operation starts.
* Some error code may not be applicable to your model. Consult authorised dealer for clarifi cation.
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 17
Outdoor suction temperature sensor
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 25 Indoor ion device abnormality
H 26 Minus ION 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 31 Abnormal swimming pool sensor
H 32
Outdoor heat exchanger
temperature sensor 2 abnormality
H 33
Indoor/outdoor misconnection
abnormality
H 34
Outdoor heat sink temperature sensor
abnormality
H 35
Indoor/outdoor water adverse current
abnormality
H 36
Outdoor gas pipe temperature
sensor abnormality
H 37
Outdoor liquid pipe temperature
sensor abnormality
H 38 Indoor/outdoor mismatch (brand code)
Diagnostic
display
Abnormality/Protection
control
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
F 94
Compressor discharge pressure
overshoot 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
Troubleshooting
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