Samsung AVMKH020EA0 Service Manual page 217

8
Troubleshooting
8-2-37. Indoor unit EVAP OUT sensor error (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is indoor EVAP OUT
temperature sensor connector
not departed from PCB?
Yes
Separate the indoor EVAP OUT
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.
x
(Open/short error of xth indoor EVAP OUT sensor)
(Operation) (Timer)
- Refer to the following judgment method
- Open/short error of xth indoor unit EVAP OUT 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 indoor
EVAP OUT temperature thermistor
itself, replace it.
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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