Comp. Down Due To Compressor Discharge Temperature Sensor - Samsung AM006JNFDCH/AA Service Manual

Troubleshooting
4-4-57

: Comp. Down due to Compressor Discharge Temperature sensor

Outdoor unit display
Indoorunit display × ( Operation )
Judgment Method
∙ 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.
4-92
( Reservation )
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
( Blast ) ( Filter ) × ( Defrost )
No
Connect S-net and Manifold Gauge.
No
No
Yes
Replace Compressor Discharge
Temperature sensor
(essential requirement)
Open the Service Valve
Check the relevant EEV
Pipe inspection
Samsung Electronics