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[ IX Troubleshooting ]
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HWE09080 GB
IX Troubleshooting
[1] Error Code Lists
Error
Code
Prelimi-
nary
error
code
Error
(prelim-
inary)
detail
code
Error code definition
Searched unit
Notes
0403 4300 01 Serial communication error O
1102 1202 - Discharge temperature fault O
1301 - - Low pressure fault O
1302 1402 - High pressure fault O
1500 1600 - Refrigerant overcharge O
- 1605 - Preliminary suction pressure fault O
2000 2100 - Pump interlock error O
2134 2234 - Abnormal water temperature O
2135 2235 - Water heat exchanger freeze up O
2500 - - Drain sensor submergence O
2502 - - Drain pump fault O O
2503 - - Drain sensor (Thd) fault O O
2600 - - Water leakage O
2601 - - Water supply cutoff O
4102 4152 - Open phase O
4106 - - Transmission power supply fault O
4115 - - Power supply signal sync error O
4116 - - RPM error/Motor error O O
4220 4320
[108] Abnormal bus voltage drop O
[109] Abnormal bus voltage rise O
[111] Logic error O
[131] Low bus voltage at startup O
4230 4330 - Heatsink overheat protection O
4240 4340 - Overload protection O
4250 4350
[101] IPM error O
[102] ACCT overcurrent (H/W detection) O
[103] DCCT overcurrent (H/W detection) O
[104] Short-circuited IPM/Ground fault O
[105] Overcurrent error due to short-circuited motor O
[106] Instantaneous overcurrent O
[107] Overcurrent O
4260 - - Heatsink overheat protection at startup O
5101 1202 -
Temperature sensor
fault
Return air temperature
(TH21)
O
OA processing unit inlet
temperature (TH4)
O
Heat source unit
Indoor unit
BC controller
LOSSNAY
Remote controller