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Troubleshooting
4-74
Samsung Electronics
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. How to check
Comp. Down due to high pressure protection control
(cont.)
Outdoor unit display
( Water Cooled )
Indoorunit display
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
×
×
◑
◑
◑
×
◑
◑
◑
●
◑
◑
※ ● :
ON
◑ :
Flash
× :
OFF
Judgment Method
∙ Value of the high pressure sensor is detected at 41kg/cm² or more
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)
∙ Service valve locked/Excessive refrigerant
Содержание AM072/096/120/144FXVAFH
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Страница 220: ...5 6 Samsung Electronics 5 2 ASS YPCBMAIN HUB AC 1 2 3 4 5 6 7 8 9 10 11 12...
Страница 222: ...PCB Diagram and Parts List 5 8 Samsung Electronics ASS YPCBMAIN HUB cont DC 1 1 2 3 4 5 6 7 8 9 10 11...
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Страница 230: ...5 16 Samsung Electronics 5 5 ASS YPCBFAN Model 1 FANchassis 1 5 2 6 3 4...
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Страница 276: ...Samsung Electronics 8 13 8 3 How to check the view mode using a tact switch AM6666XV666 rX rY rZ r A type B type...