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rights reserved. Only training and service purposes.
Defrost Sensor Error (F dS)
1
Reconnect or
repair the
connector
Is the Connector disconnected
or loose between Main PCB,
Defrost controller and Sensor?
Yes
No
2
Check the Sensor resistance.
Is resistance 0Ω (Sensor short)?
Yes
No
Change the
Sensor
3
Check the Sensor resistance.
Is resistance OFF (Sensor open)?
Yes
No
Replace the
refrigerator
4
Check the Sensor resistance.
Is resistance normal?
Yes
5
Check the Temperature and
resistance refer to the table.
No problem?
Yes
6
Explain to customer
CON7
19
th
pin & 20
th
pin
Resistance [Ω]
23ºF / -5ºC 38k
32ºF / 0ºC30k
41ºF / 5ºC24k
50ºF / 10ºC 19.5k
59ºF / 15ºC 16k
CON7
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