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GE TBG440ANDR Technician Service Manual page 22

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4. Too cold
Is the turn button set at "Strong Position"?
Temperature set of each chamber in the
storage room.
Turn all the buttons to
"Medium" for
confirmation.
Low temperature
Confirm the cohesion of bumper thermostat
Closed
Mist and frost formed at the top of freezing
chamber and quick freezing chamber.
* When the bumper thermostat is replaced
due to poor cooling, be sure not to install the
cooling chamber bumper correctly and it must
be secured on the original leverage.
VII. FAILURE DIAGNOSIS
* If setting the button of the freezing chamber at
"Strong" while the cooling chamber is at "Medium",
then the cooling chamber and fressness-keep
No
chamber will become too cold.
Normal
Is the ambient temperature below 5°C?
Only for the freezing of food near the suction
outlet of bumper thermostat.
* When the food containing more moist (bean curd,
vegetable, fruit, etc) is placed at the inner side of
shelve or the freshness-keep chamber, then the food
would be easily frozen. So, it is necessary to change
* Use ice to cool the thermo sensing part for confirmation.
* Freezing phenomenon formed at the bumping part of the
Yes
the storage method.
Opened
Yes
bumper thermostat.
Turn the button at "Weak" Position.
Yes
Turn the button to "Weak" position.
Yes
Change the storing method of the food.
Replace the bumper thermostat
Forget to close the freezing chamber door.
Repair the contact of food and door rail.
* Put iced water in to the cup or placed it into
the freezing chamber to cool it down, so as to
confirm the action of the bumper.

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