Troubleshooting
Samsung Electronics 4-101
4-4-57 : Comp. Down due to Compressor Discharge Temperature sensor
Indoorunit display
Cause of problem
×
(
Operation
)
ስ
(
Reservation
)
ስ
(
Blast
)
ስ
(
Filter
)
×
(
Defrost
)
Refri gerant shortage
Electr onic expansion valve is blocked.
Service valve blocked
Defective discharge temperature sensor
Blocked pipe and defective
Leakage of
compr essor discharge check valve of not-go-end outdoor unit
Judgment Method
When value of compressor discharge temperature sensor is checked at 120°C or mor e
Outdoor unit display
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
Connec
t S-net and Manifold Gauge.
(essential requirement)
No
No
No
Yes
Yes
Yes
Yes
1.
Cause of problem
No
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