Samsung AVXCSH022EE, Service Manual

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Troubleshooting
4-119 Samsung Electronics
4-5-60 : Oil Valve (oil balance valve) 1 Self-diagnosis (Open/Close error, Breakaway or Fault of Sensor)
Indoor Unit Display
Special Cause
×(Operation) (Reservation) (Blast) (Filter) ×(Defrost)
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Judgment Method
1. Not to be determined if only one outdoor unit is installed
2. Error displayed if oil valve (Oil Balance Valve 1) is broken or if the problem inspection temperature sensor for
Oil Balance Valve 1 that experienced breakaway in the course of exchanging oils with two or more outdoor
units connected.
3. Error displayed if the temperature rises by 5°C or more when Oil Balance Valve 1 is closed before entering the
oil balance operation and the hot gas by pass is opened
4. Error displayed if the temperature does not change by 7°C when Oil Balance Valve 1 is opened and the hot
gas bypass is opened during the process of discharging the oil under oil balance operation
Outdoor Unit Display
1. Inspection Method
Change the coil.
Is the resistance value for c
oil reasonable?
Did Oil Valve 1 temperature
sensor break away?
Change the temperature sensor.
Please open the oil service valve.
Connect properly to connector.
Is the connector for valve
coil properly connected?
No
Are all the oil service valves open?
No
Is the temperature
measure value reasonable?
(Use S-net view mode )
No
Please immediately insert the sensor.
Yes
Change the oil valve
(Oil Balance Valve 1)
Change Body
No
Yes
Yes
Yes
Yes
No
●
When changing oil valves, welding equipment must not be used for the oil balance pipe. The copper pipe cutter should be used
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