Inverter Comp Error; Connector Open/Inverter Pba Problem; Comp Locked Problem - Samsung RF263 Series Repair Manual

Error-code :

INVERTER COMP Error

① Check if overload by touching COMP.
- Operate normally after 8 min in the
case of re-operation.
CONNECTOR OPEN / INVERTER PBA problem
 When the COMP is not hot
① Inspect the COMP WIRE
② Inspect the INVERTER PBA CN 04 3-WIRE
- Check U(BLU), V(PRP), W(BLK) OPEN order
③ Disassemble COMP RELAY COVER and check PIN
- Check U(BLU), V(PRP), W(BLK) OPEN order

COMP Locked problem(84)

 When the COMP is hot
① COMP problem /
Cycle Shield System problem
81 E Operation failure
82 E
Comp Abnormal
83 E
current Detection
Motor Locked Over
84 E
85 E Comp under voltage
86 E
81~86 E
Error
INVER PBA
IPM FAULT
RPM
Comp over
voltage
OPEN CHECK
CN 04
Failure reason
① Operate initial reoperation-rest 8min
② COMP U.V.W top SHORT
③ IPM PIN SHORT
④ INVERTER PBA failure
① Inspect Inverter PBA CN04
(Changed/OPEN)
② Inspect COMP WIRE(Changed/OPEN)
① Inspect COMP LOCKED / CYCLE
② COMP LOW rpm
③ Reoperation initial-rest 7min
④ INVERTER PBA
① Check power outlet
② INVERTER PBA
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CN 73
FUSE Check