Samsung AVMKH020EA0 Service Manual page 248

8-2-65. The error of fixed capacity compressor discharge temperature sensor error (open / short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
Is separated the fixed capacity
compressor discharge temperature
sensor connecter from PCB?
Detach the fixed capacity compressor
discharge temperature sensor connecter
from PCB, and measure the resistance value
between the both terminals.
Yes
Is the resistance
value far from the temperature
Restart after PCB exchange.
, ,
(Operation) (Timer)
- When opening or shorting of fixed capacity compressor discharge temperature sensor
- Open or short of the fixed capacity compressor discharge temperature sensor
No
table?
No
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(Fan) (Filter) (Removing frost)
Yes
Restart after connecting a connecter to PCB.
Temperature
Yes
Replace the fixed capacity
compressor discharge temperature
sensor because it is defect.
Troubleshooting
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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