Comp. Down Due To Compressor Discharge Temperature Sensor - Samsung AM017HN1DEH/EU Service Manual

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: Comp. Down due to Compressor Discharge Temperature sensor

Outdoor unit display
Indoor unit display
Criteria
∙ When value of compressor discharge temperature sensor is checked at 120°C or more
∙ Refrigerant shortage
∙ Electronic expansion valve is blocked.
∙ Service valve blocked
Cause of problem
∙ Defective discharge temperature sensor
∙ Blocked pipe and defective
∙ Leakage of compressor discharge check valve of not-go-end outdoor unit
1. Cause of problem
value normal for the Compressor
Discharge Temperature sensor?
and Outdoor Unit EEV normally
any blockage inside the pipe?
Check the refrigerant amount.
Samsung Electronics
Is the resistance
(Refer to E251)
Yes
Commissioning
Are all service valves open?
Yes
Are the Indoor Unit
operating?
Yes
Are there
(filter etc.)
No
No
Replace Compressor Discharge
Temperature sensor
Connect S-net and Manifold Gauge.
(essential requirement)
No
Open the Service Valve
No
Check the relevant EEV
Yes
Pipe inspection
Troubleshooting
383

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