Samsung AVXTJH028EE - Page 221

Troubleshooting
Samsung Electronics 4-130
4-5-72 : Compressor Low-current Error
No display
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hours.
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Indoor Unit Display
Judgment Method
Special Cause
Outdoor Unit Display
1. Judgment Method
No
Is the CT value
measure at 4A or less during
operation?
Inspection Complete
No problem if the compression is effective
when the relevant compressor is operating.
If there is no compression, then this is a
compressor breakdown.
Is the CT sensor connector
resistance normal?
Are all the CT values “0” when
the compressor is stopped?
Is the compressor
still not operating, even
when a magnetic contactor is
connected?
Is the measured
value from the separate
ammeter the same as the CT
sensor value?
Test Operation
Change CT sensor.
Change CT sensor.
Magnetic contactor inspection
OLP trip check-up
Change the compressor if it is determined
to be a compressor breakdown.
Connect a separate ammeter
(optional).
No
No
Yes
Yes
Yes
Yes
Yes
No
No
(Compressor 1, Compressor 2, Compressor 3)
Change CT sensor.
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