Samsung AVMKH020EA0 Service Manual page 251

8
Troubleshooting
8-2-68. OIL temperature sensor error (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is separated the outdoor oil
temperature sensor connecter from
Detach the outdoor oil temperature sensor
connecter from PCB, and measure the
resistance value between the both terminals.
Yes
Is the resistance value far from the
temperature table?
Restart after PCB exchange.
, ,
(Operation) (Timer)
- When opening or shorting of outdoor oil temperature sensor
- Open or short of the corresponding sensor
PCB?
No
No
,
(Fan) (Filter) (Removing frost)
Yes
Restart after connecting a connecter to PCB.
Temperature
Yes
Replace the outdoor oil temperature
sensor because it is defect.
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Resistance
(˚C) (kΩ)
130 8.9
120 11.2
100 18.5
80 32
60 59
25 200
20 242
10 362
0 553
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