The Error Of Outdoor Unit Cond Mid Temperature Sensor (Open/Short) - Samsung DVM Series Service Manual

8-2-52. The error of outdoor unit COND MID temperature sensor (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is separated the outdoor unit
COND MID sensor connecter from
Detach the outdoor heat exchanger
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 heat exchanger temperature sensor
- Open or short of the corresponding sensor
PCB?
No
No
- 221 -
(Fan) (Filter) (Removing frost)
Yes
Restart after connecting a connecter to PCB.
Temperature
Yes
Replace the outdoor heat
exchanger temperature sensor
because it is defect.
Troubleshooting
Resistance
(˚C) (kΩ)
70 2.2
60 3.0
50 4.2
40 5.8
30 8.3
20 12.1
10 18.0
0 27.3
-10 43.0