Self-Diagnosis Of Oil Valve(Balance Keeping Valve) - Samsung AVXCSH023/032/040CE Service Manual

4-3-45 : Self-diagnosis of Oil valve (balance keeping valve) 1 (open or closure breakdown,
sensor dislocation or defect)
Outdoor unit display
(Operation)
Indoor unit display
1. When only one outdoor unit is installed, it does not diagnose
2. When more than 2 outdoor units are connected and exchange their oil, the oil valve (balance keeping valve)
Criteria
3. When temperature rises for more than 5bC after closing balance keeping valve 1 and opens hot gas bypass
4. At the stage of releasing oils during balance keeping operation, if there is less than 44.6°F/7°C temperature
• Oil valve (balance keeping valve)'s temperature sensor dislocation
Cause of problem • Oil valve (balance keeping valve) breakdown
• Coil defect or terminal contact defect
1. How to check
Is oil valve 1 temperature
sensor dislocated?
Is the measured
value for temperature appropriate?
(use S-net, View Mode)
Is oil service valve open?
Is the connector of valve coil
correctly connected?
Is the resistance valve
of coil appropriate?
Replace the body of oil valve
(balance keeping valve)1
Samsung Electronics
(Timer) (Fan)
1 is broken or temperature sensor of breakdown detection for balance keeping valve 1 is dislocated, the error
is displayed.
before entering a balance keeping operation, the error is displayed.
change after opening an oil valve (balance keeping valve) and opening the hot gas bypass, the error is displayed.
No
Yes
Yes
Yes
Yes
When replacing an oil valve, never use a welder on the balance keeping piping but use a
copper pipe cutter then proceed with the work. (Oil in the balance keeping piping might cause
a fire.)
(Filter) (Defrost)
Yes
Please insert the sensor correctly.
No
Replace the temperature sensor
No
Open the oil service valve
No
Correctly connect to the connector
No
Troubleshooting
Replace the coil
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