Troubleshooting
4-42 Samsung Electronics
4-3-30 : Suspension of starting due to Compressor discharge temperature sensor / Top temperature sensor
Indoorunit display
Cause of problem
∙ Refrigerant shortage
∙ Electronic expansion valve is blocked.
∙ Service valve blocked
∙ Defective discharge temperature sensor
∙ TOP temperature sensor defective
∙ Blocked pipe and defective
∙ Leakage of compressor discharge check valve of not-go-end outdoor unit
Judgment Method
∙ When value of Compressor discharge temperature sensor / Top temperature sensor is checked at 120℃ or more
Outdoor unit display
Is the resistance
value normal for the
Compressor discharge Temperature sensor/
Top temperature sensor?
(Refer to E251)
Auto Trial Operation
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 temperat-
ure sensor / Top 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
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost Timer Fan Filter/MPI
Operation
Defrost Timer Filter
Operation
Timer Turbo
24℃ 27℃
× × ◑ ◑ ◑ × ◑ ◑ ◑ × × ◑ ◑ ◑
※ ● : ON ◑ : Flash × : OFF