Oil Temperature Sensor Error (Open/Short) - Samsung DVM Series Service Manual

8-2-16. Oil temperature sensor error (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is outdoor oil temperature
sensor connector not
departed from PCB?
Yes
Separate the outdoor oil temperature
sensor connector from PCB and measure the
resistance across both terminals.
Yes
Is the resistance at the time
greatly out of those on the
right side table?
Replace the PCB and reoperate the unit.
(Operation) (Timer)
- Wire open or short of outdoor oil temperature sensor
- Wire open or current leak of related sensor
No
- 183 -
(Fan) (Filter) (Removing frost)
No
Connect the connector to
PCB and reoperate the unit.
Temperature
Yes
Since it is the defect of the outdoor oil
temperature sensor itself,
replace it.
Troubleshooting
Resistance
(˚C) (kΩ)
130 8.9
120 11.2
100 18.5
80 32
60 59
25 200
20 242
10 362
0 553
10