Samsung AVXC1H022 series Service Manual page 254

I
: Oil Valve(Equal Oil Valve) 1 Self Diagnosis(Open or Close Error, Sensor Breakaway or Defect)
Outdoor unit display
Indoor unit display
Judgment method
Causes
1. Check Method
Is the temperature measuring value proper?
Is the connector of the valve coil correctly
Is the resistance value of the coil proper?
Samsung Electronics
(Operation)
1. In case only one outdoor unit is installed, do not judge.
2. When the oil valve (equal oil valve) 1 is broken during more than 2 outdoor unit is connect-
ed and exchange oil or when the temperature sensor for detecting a defect of the equal oil
valve 1 is broken away, the error is displayed.
3. After closing the equal valve 1 before starting equal oil operation and opening the Hot Gas
Bypass, if temperature is raised by over 5°C, the error is displayed.
4. After open the oil valve (equal oil valve) 1 on the oil discharging step during the equal oil
operation and open the Hot Gas Bypass, if temperature is not changed by over 7°C,
the error is displayed.
Oil valve (equal oil valve) temperature sensor breakaway / oil valve (equal oil valve) 1 defect /
coil defect or terminal contact badness
Is the oil valve 1 temperature
sensor separated?
No
(Using S-net and View Mode)
Yes
Is the oil service valve opened?
Yes
connected?
Yes
Yes
Replace the oil valve (equal oil)
1 body.
(Timer) (Fan) (Filter)
Yes
No
No
No
No
• When replace the oil valve, never use a
welder to the equal oil piping. Operate
after cutting by the copper pipe cutter.
(It is dangerous for firing because oil is
gathered to the equal oil piping.)
Troubleshooting
(Defrost)
Insert the sensor correctly.
Replace the temperature sensor
Open the oil service valve.
Connect to the connector
correctly.
Replace the coil.
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