Troubleshooting
Samsung Electronics12-30
■
: Compressor Low Current Error
1.
Check Method
Outdoor unit display
Indoor unit display No display
Judgment method
When the CT sensor value of the relevant compressor is maintained for over 10 minutes at over
4A, the error is displayed.
Causes Compressor break / CT sensor defect / OLP Trip
Is the CT sensor connector
resistance normal?
Is the CT value when
compressor is stopped all 0?
Is the compressor not
operated even though the Magnetic Contactor is
contacted?
Is the CT value measured below
4A during operation?
Is the CT value measured below
4A during operation?
Replace the CT sensor.
Replace the CT sensor.
Connect the separate
ampere-meter. (Optional)
Replace the CT sensor.
Complete the check.
Check the Magnetic Contactor
and whether OLP Trip.
If the compressor break is
judged, replace the compressor.
If compression is achieved
smoothly during the relevant
compressor operation, there is
no error. If compression is not
achieved, the compressor is
broken.
Test operation
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
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