Samsung AVMKH020EA0 Service Manual page 195

8
Troubleshooting
8-2-15. COND OUT temperature sensor error (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is outdoor COND OUT
sensor connector not
departed from PCB?
Yes
Separate the outdoor COND OUT 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 COND OUT sensor
- Wire open or current leak of related sensor
No
(Fan) (Filter) (Removing frost)
No
Connect the connector to
PCB and reoperate the unit.
Temperature
Yes
Since it is the defect of the outdoor COND
OUT sensor itself, replace it.
- 194 -
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