100
SAMSUNG ELECTRONICS
10-2-13 O.C(Over Current) error
Indoor display
7 SEG DISPLAY DESCRIPTION
C464 IPM Over Current(O.C) Error
Outdoor display
Current sensor error
Current sensor error
: LAMP ON : LAMP OFF : LAMP BLINK
1. Checklist :
1) Is the IPM Shunt resistance value correct? Check the resistor is opened.
2) Is the condition of surrounding temperature abnormal overload?
3) Is there any problem as like the temperature sensor separation or measurement value error?
4) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Restartafter power o.
Isthe O.C erroroccurred?
Isthe connectionof compressorwireisnormal?
Isthe O.C erroroccurred again?
NO
YES
NO
YES
NO
YES
Terminatethe service
Connect thecomp wirenormally
Terminatethe service
Isthe conditionof indoor/outdoor temperature
normal load?
NO
Restart after returning to the normal load
Isthe O.C error
occurred again?
Terminatethe service
YES
Isthe positionof
temperaturesensor and sensing
valuenormal?
NO
Isthe compressorbody
andinterphaseresistance
insulated?
NO
YES
Correct the sensor position or
exchangethe sensor
Exchangethe OutdoorPBA
Exchangethe compressor
To Next Page
Loading...