Samsung AVMKH020EA4 Service Manual page 227

Troubleshooting
11-5-3 Indoor unit PCB defect/Sensor defect
Phenomenon
• 24(T-air in) - 70(T-evap in) = -46˚C < 10˚C
• T-evap in, T-evap out apply the same way
11-41
• Measure the resistance value of the indoor unit inlet temperature
sensor by use of a tester. If the resistance value is a failure, replace
the sensor.
• Replace the indoor unit PCB if the resistance valve is normal.
• After Replacing, check the S-NET. And assure whether it is out of
the above conditions.
Check method
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