Samsung AC009BN1DCH, Руководство по обслуживанию, Страница: 270 / 330

Troubleshooting
4-76 Samsung Electronics
IPM (Over Current) error (Error Code : E464) (Cont.)
Yes
Turn off the power and change the location
of the temperature sensor or replace it.
No
Are the position and measuring value of the
temperature sensor normal?
Continue
Check the connection status of compressor.
No
Is compressor wire connected properly
to the compressor?
Yes
1. Replace the compressor : If the resistance value
between phases of the compressor is different.
→ Power on.→ Check the normal operation. → End the
service.
2. Reassemble wire : If the wire connection of the
compressor is wrong.
→ Power on. → Check the normal operation. → End the
service.
3. Replace the compressor : When loud abnormal noise
generates (metal cutting or grinding noise), or severe
vibration.
No
Check the compressor.
1. Are all the resistance values between
phases matched? (U
↔
V, U
↔
W, V
↔
W)
2. Is compressor wiring normal? (disconnection, wrong connection)
3. Is there any abnormal noise from
compressor rotation?
Yes
Replace the compressor.
No
Yes
Is there a reading of MegaΩ of resistance
between compressor body and chassis?
Open the valve.
No
Is service valve fully opened?
Continue