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.)
Chec
k 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
Ch
eck 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 TimerFan Filter/MPI
Operation
Defrost Timer Filter
Operation
TimerTurbo
××◑◑◑×◑◑◑
●
◑◑
※ ● :
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
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