Troubleshooting
Samsung Electronics 4-39
Indoorunit display
Cause of problem
<Cooling operation>
∙
Overheat of supplying water
∙
Shortage of supplying water
∙
Outdoor heat exchanger is contaminated.
∙
Service valve locked/Fill refrigerant
<Heating operation>
∙
Indoor unit fan motor problem(constrained, defective)
∙
Motor driver defective or wire is cut
∙
Service valve locked/Excessive refrigerant
Judgment Method
Value of the high pressure sensor is detected at 41kg/cm² or more
Outdoor unit display
Is the S-net
estimated value and the Manifold
Gauge value in range?
Are the Indoor Unit
and Outdoor Unit EEV normally
operating?
Are there any blockage inside
the pipe? (filter etc.)
Check the refrigerant amount.
When cooling operation,
water temperature, quantity, or heating operation,
indoor fan operates normally do?
Auto Trial Operation
Open the Service Valve
Replace High Pressure sensor
Check the relevant EEV
Pipe inspection
Check the water pipes or Replace
relevant component(motor or fan)
Yes
Yes
Yes
No
Yes
Are all service valves open?
Connect S-net and Manifold Gauge.
(essential requirement)
No
No
No
Yes
No
1.
Cause of problem
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
(AMSSSFXWASSS)
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