Samsung mini DVM Series Service Manual page 428

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: Compressor Sump Temperature Protection Control
Outdoor unit display
Indoor unit display
Judgment method
Causes
1. Check Method
Is the Loading or Unloading of the Digital
Is the temperature sensor attached correctly?
Samsung Electronics
(Operation)
Sump temperature maintains for over 5 minutes over 95°C
Compressor loading inferiority / Sump temperature sensor inferiority
Error reset (Key 3)
Test operation(Same condition of
error occurrence)
compressor operated normally?
Yes
Check the compressor that the
error is occurred through S-net.
Yes
Separate the temperature
sensor from the compressor and
leave it on the air for approximately
10 minutes.
Is the Sump temperature
value similar as the outdoor
temperature value?
Yes
Reattach the temperature sensor
Complete the check.
(Timer) (Fan) (Filter)
No
No
No
Troubleshooting
(Defrost)
S-net connection (Requisite)
Check the PWM Valve.
Check the temperature sensor
attachment.
Replace the relevant
temperature sensor
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