Compressor Startup Error, Compressor Lock Error; Compressor Rotation Error - Samsung AR07TSFABWKN Service Manual

Troubleshooting
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
Turn off the power and restart the unit.
Is there an error?
between the phases (U
between the compressor boday and the chassis
in the range of Mega
Is the compressor
connection wire connected to the
compressor correctly?
Replace the outdoor unit Main PCB.
4-34
Yes
V W
Yes
Yes
Yes
No
No
Replace the compressor.
Checking Comp Resistance (Normal Value)
AJ020TXJ2CH
AJ024TXJ3CH
AJ020TXS3CH
AJ***TX*4CH
AJ***TX*5CH
No
Replace the compressor.
No
Check the connection wire.
U-V V-W W-U
Samsung Electronics