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68
English
Troubleshooting
INSTALLATION PARTS
No.
Error
Code
Meaning Remarks
20 E348
Lock error on Fan2 of outdoor unit Fan2 error
21 E353
Error due to overheated motor of outdoor unit's Fan2 Fan2 error
22 E355
Error due to overheated IPM of Fan2 Fan2 error
23 E378
Error due to overcurrent of Fan2 Fan2 error
24 E386
Over-voltage/low-voltage error of Fan2 Fan2 error
25 E387
Hall IC connection error of Fan2 Fan2 error
26 E389
V-limit error on Fan2 of compressor Fan2 error
27 E391
Error due to DataFlash of Fan2 Fan2 error
28 E393
Output current sensor error of Fan2 Fan2 error
29 E396
DC voltage sensor error of Fan2 Fan2 error
30 E399
Heat sink temperature sensor error of Fan2 Fan2 error
31 E403
Compressor down due to freeze protection control Check Outdoor Cond.
32 E404
System stop due to overload protection control Check Comp. when it start
33 E416
System stop due to discharge temperature -
34 E422
Blockage detected on high pressure pipe
1. Check if the service valve is open
2. Check for refrigerant leakage(pipe
connections, heat exchanger) and
charge refrigerant if necessary
3.
Check if there's any blockage on
refrigerant cycle(indoor unit/outdoor unit)
4. Check if additional refrigerant has
been added after pipe extension
35 E425
Reverse phase or open phase
Check whether 3 phase is reversed or
opened.
36 E440
Heating mode restriction due to high air temperature
Heating
37 E441
Cooling mode restriction due to low air temperature
Cooling
38 E446
Error due to operation failure of Fan1 Fan1 error
39 E447
Motor wire of Fan1 is not connected Fan1 error
40 E448
Lock error on Fan1 of outdoor unit Fan1 error
41 E452
Error due to ZCP detection circuit problem or power
failure
-
42 E453
Error due to overheated motor of outdoor unit's Fan1 Fan1 error
43 E455
Error due to overheated IPM of Fan1 Fan1 error
44 E458
Fan speed error Fan1 error
45 E461
Error due to operation failure of inverter compressor
-
46 E462
System stop due to full current control -
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