Samsung AR07TSFABWKN, Руководство по обслуживанию, Страница: 88 / 137

Troubleshooting
4-48 Samsung Electronics
4-6-5 Compressor startup error, Compressor lock error, Compressor rotation error
1. Check items
1) Are the power supply and compressor connecting wires connected correctly?
2) Is the inter-phase resistance of the compressor normal?
2. Check procedure
Yes
Turn off the power and restart the unit.
Service end.
No
Is there an error?
Yes
Replace the compressor.
Checking Comp Resistance (Normal Value)
No
Is the resistance valve
between the phases (U
↔V,
V
↔W,
W
↔U)
below normal valve?
Yes
Replace the compressor.
No
Is the resistance value
between the compressor boday and the chassis
in the range of Mega
Ω
.
Yes
Check the connection wire.
No
Is the compressor
connection wire connected to the
compressor correctly?
Replace the outdoor unit Main PCB.
U-V V-W W-U
AJ020BXJ2CH
AJ024BXJ3CH
0.70~0.80Ω 0.70~0.80Ω 0.70~0.80Ω
AJ020BXS3CH
AJ***BX*4CH
AJ***BX*5CH
0.60~0.70Ω 0.60~0.70Ω 0.60~0.70Ω