Samsung AC BNPDBC Series, User & Installation Manual, Page: 68 / 76

68
English
Troubleshooting
INST
ALLA
TION P
A
R
TS
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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