Compressor Excess Current Error - Samsung AM007FN1DCH/AA Service Manual

Troubleshooting
4-4-73

: Compressor Excess Current Error

Outdoor Unit Display
×(Operation)
Indoor Unit Display
• Error displayed if the CT sensor value of the relevant compressor is 20A or more and is maintained for more
Judgment Method
than 3 seconds.
• Breakdown of compressor/Faulty CT sensor
Special Cause
1. Inspection Method
Is the CT sensor connector
Are all the CT values 0 when
the compressor is stopped?
Is the measured value
from the separate ammeter the
same as the CT sensor value?
measured at 20A or more during
4-106
(Reservation)
resistance normal?
Yes
Yes
Test Operation
Yes
Is the CT value
the operation?
No
Inspection Complete
(Blast) (Filter) ×(Defrost)
No
No
Connect a separate ammeter
No
Yes
Breakdown of Compressor: Change
Change CT sensor.
Change CT sensor.
(optional).
Change CT sensor.
compressor.
Samsung Electronics