Compressor Excess Current Error - Samsung AM017HN1DEH/EU Service Manual

Troubleshooting
4-4-75

: Compressor Excess Current Error

Outdoor Unit Display
Indoor Unit Display ×(Operation)
• 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.
Special Cause • Breakdown of compressor/Faulty CT sensor
1. Cause of problem
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
398
(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