Samsung AM032MNQDCH/AA Service Manual page 299

4-4-56 Sump Sensor Error Due to Protection Control
Outdoor Unit Display
Indoor Unit Display ×(Operation)
Judgment Method • Maintain sump temperature of 95°C or more for five minutes
Special Cause • Compressor loading faulty/sump temperature sensor faulty
1. Inspection Method
Is the sensor connector
properly connected to PCB?
Is the sensor properly attached to
the sensor holder below the compressor?
Is the sensor displaying
the temperature normally?
Refer to the solution method for the
liquid-compression prevention error (E477).
Samsung Electronics
(Reservation) (Blast)
Yes
Yes
Yes
(Filter) ×(Defrost)
No
Re-connect and check the connector.
No
Re-attach and check sensor.
No
Check by referring to the other temperature
sensor problem check-up methods.
Troubleshooting
4-99