Our GE Profile frig won't go into auto defrost mode
It is normal to build up frost at the Evaporator.
The Automatic-defrost-System removes the Ice 3 or 4 times, every 24 hours.(de-frosting).
1 The Fan MUST rotate , inside.
Is the Fan blowing Air inside,??
sometimes The door must be shut, then the fan-motor starts (,put your ear against the door when you close it and listen for the fan- noise,)
There may be an Automatic-Defrost fault:
Faulty :
Defrost-Timer, (electro-mecanical) ( DT ) c. fault.
Defrost-Heater,. ( DH ) common fault.
Defrost-Termination-Timer,. ( DTT)
(Over) Temperature-Fuse. ( TF )
If the Refrigerator has 'Electronic' controls,
a Computer controls the Automatic Defrosting.
A Temperature-Sensor replaces the DDT.
A Computer-controlled timer replaces the DT
----- A Sensor faulty?
-----Control Board (Computer) faulty. Common fault.
I found,-
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To 'understand' takes a little more time .
To practice, improves my skill,
With skills, it is easy to perform the task.
Experience has build up my skill & confidence.
Wisdom is, when I admit that I require additional knowledge.
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That's why I am happy.)
K.