Troubleshooting
4-78 Samsung Electronics
: Suspension of starting due to Compressor discharge temperature sensor / Top temperature sensor (cont.)
1. How to check
Is the resistance value normal for the
compressor discharge temperature sensor /
Top temperature sensor?
(Refer to E251)
Trial Operation
Are all service valves open?
Are the indoor unit and outdoor unit EEV
normally ope
rating?
Are there any blockage inside the
pipe? (filter etc.)
Check the refrigerant amount
Replace compressor discharge temperature
sensor / Top temperature sensor
Open the servi
ce valve
Check the relevant EEV
Pipe inspection
Connect S-net and Manifold Gauge.
(essential requirement)
No
No
No
Yes
Yes
Yes
Yes
No
غ
AM038/048/055KXWD✳✳
Outdoor unit display
Indoorunit display
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost TimerFan Filter/MPI
Operation
Defrost Timer Filter
18℃ 21℃
Turbo
24℃ 27℃
××
◑◑◑
×
◑◑◑
××
◑◑◑
※ ● :
ON
◑ :
Flash
×:
OFF
Judgment Method
When value of compressor discharge temperature sensor / Top temperature sensor is checked at 120℃ or more.
Cause of problem
Refrigerant shortage.
EEV is blocked.
Service valve is blocked.
Discharge temperature sensor is defective.
TOP temperature sensor is defective.
Pipe and filter is blocked
Leakage of compressor discharge check valve of stopped side outdoor unit
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