26
How to retrieve error codes
If the unit stops and the TIMER indicator blinks, use the remote control to retrieve the error code.
ON
OFF
SET
TIMER
CANCEL
ON
OFF
SET
TIMER
CANCEL
Press for
5 seconds
Press for 5
seconds to quit
checking
Press until you hear beep
sound, then write down the
error code
Turn the unit off and
reveal the error code to
authorised dealer
2
1
3
4
• For certain errors, you may restart the unit for limited operation if there are 4 beeps when operation starts.
Troubleshooting
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 1 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)
H 39
Abnormal indoor operating unit or
standby units
Diagnostic
display
Abnormality/Protection
control
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 70
Light sensor abnormality
H 71
DC cooling fan inside control board
abnormality
H 72
Abnormality tank temperature sensor
H 85
Abnormal communication between
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
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
* Some error code may not be applicable to your model. Consult authorised dealer for clari
fi
cation.
C8041-3890 26
Summary of Contents for RS-U9YW
Page 2: ...2 8 O PE N 2 3 1 1 2 AAA R03 3 A 1 2 SET C8041 3890 2...
Page 4: ...4 C8041 3890 4...
Page 5: ...ON Ni Cd ELCB RCD ELCB BS C8041 3890 5 5...
Page 10: ...19 C8041 3890 10 10 9 19 15 8 30 1 20 1 2 3 2 21 9...
Page 11: ...POWER ON ON 30 TIMER COOL C8041 3890 11 11...
Page 12: ...5 OFF ON COOL 15 COOL 8 C 14 4 F C8041 3890 12 12 5...
Page 14: ...Pb C8041 3890 14 14...
