Comp. Down Due To Discharge Temperature Sensor Of A Compressor - Samsung AVXCSH023/032/040CE Service Manual

Troubleshooting
4-3-42

: Comp. Down due to Discharge Temperature Sensor of a Compressor

Outdoor unit display
Indoor unit display
Criteria • Detect when the value of compressor's discharge temperature sensor is over 275˚F/135˚C
• Insufficient refrigerant
• Clogged indoor & outdoor electronically operated valves
• Clogged service valve
• Defective discharge temperature sensor
Cause of problem
• clogged piping and/or filter
• Liquid EEV breakdown
• Liquid Tube valve breakdown
• Leakage in discharge check valve of the compressor in the stop-side outdoor unit
1. How to check
sensor resistance of the
compressor normal?
Are all service valves open?
Does indoor/outdoor
EEV operate well?
clogged part in the piping
Check the amount
4-80
(Operation) (Timer) (Fan)
Is the discharge
(refer to E251)
Yes
Test operation
Yes
Yes
Is there any
(ex.Filter)?
of refrigerant
(Filter) (Defrost)
No
Replace discharge temperature sensor
Connect S-net and Manifold gauge
(imperative)
No
Open the service valve
No
Check the relevant EEV
Yes
Check the piping
Samsung Electronics