Troubleshooting
4-116 Samsung Electronics
4-4-73
: Compressor Excess Current Error
×(Operation) (Reservation) (Blast) (Filter) ×(Defrost)
t#SFBLEPXOPGDPNQSFTTPS'BVMUZ$5TFOTPS
t&SSPSEJTQMBZFEJGUIF$5TFOTPSWBMVFPGUIFSFMFWBOUDPNQSFTTPSJT"PSNPSFBOEJTNBJOUBJOFEGPSNPSF
than 3 seconds.
Indoor Unit Display
Judgment Method
Special Cause
Outdoor Unit Display
1. Inspection Method
Is the CT sensor connector
resistance normal?
Are all the CT values “0” when
the compressor is stopped?
Is the CT value
measured at 20A or more during
the operation?
Is the measured value
from the separate amm
eter the
same as the CT sensor value?
Test Operation
Inspection Complete
Change CT sensor.
Change CT sensor.
Change CT sensor.
Breakdown of Compressor: Change
compressor.
Connect a separate ammeter
(optional).
No
No
No
No
Yes
Yes
Yes
Yes
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