Troubleshooting
4-100
Samsung Electronics
4-4-57
: Comp. Down due to Compressor Discharge Temperature sensor
Is the resistance
value normal for the Compressor
Discharge Temperature sensor?
(Refer to E251)
Commissioning
Are all service valves open?
Are the Indoor Unit
and Outdoor Unit EEV normally
operating?
Are there
any blockage inside the pipe?
(filter etc.)
Check the refrigerant amount.
Replace Compressor Discharge
Temperature sensor
Open the Service Valve
Check the relevant EEV
Pipe inspection
Connect S-net and Manifold Gauge.
(essential requirement)
No
No
No
Yes
Yes
Yes
Yes
1. Cause of problem
No
Outdoor Unit Display
Indoor Unit Display
×(Operation)
ስ
(Reservation)
ስ
(Blast)
ስ
(Filter) ×(Defrost)
Judgment Method
∙ When value of compressor discharge temperature sensor is checked at 120°C or more .
Cause of problem
∙ Refrigerant shortage
∙ Electronic expansion valve is blocked.
∙ Service valve blocked
∙ Defective discharge temperature sensor
∙ Blocked pipe and defective
∙ Leakage of compressor discharge check valve of not-go-end outdoor unit
Содержание AM032MNQDCH/AA
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