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Service bulletin for frost in the freezer and frost in the ice room?


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Manufacturer: Electrolux
Type of Appliance: French door fridge
Model Number: FGHF2366PFEA
Have you validated the model number at an online parts site like Repair Clinic? (yes or no): Yes
Have you watched the video on how to search for manuals and have you searched the Downloads section prior to posting this request? (yes or no): Yes

Is there any bulletin for this freezer Frost issue related to the freezer evaporator thermistor? I couldn't find any repair manual for this model, other than the one under the fridge.The freezer was 3/4 frosted over with 3 inches of frost in front of it. It was partially defrosting the bottom corner of the evaporator but the rest was a solid block of ice. Bimetal was 0.3 ohms (good). In test mode, the defrost turned on and was very hot but shut off early and started with an evaporator thermistor measurement of 42° F even though the evaporator thermostat was buried in ice. The plastic clip was snapped on to the suction line that leaves the evaporator in the middle of the evaporator. 4.9 volts DC was measured at the control board for the thermistor (this is correct). Good power socket and polarity. I measured a good ohm reading from the board at the wire harness to the thermistor so it's not open, just off. My diagnosis is the thermistor that is the problem.

 I know there was a service bulletin for some models of Frigidaire with this ice maker. The ice room has frost around the edges of it in the top and top right corner.  The ice maker defrost tested okay in test mode. Is there a bulletin for intermittent / no ice making / frost for this type of ice maker? The Old Frigidaire bulletin upgraded the parts for this ice maker to the ones that came with this fridge including the silicon gasket behind the air handler for the ice room. But they don't sell a separate gasket for the ice room and that's where the frost is at the perimeter of. You'd have to buy the whole ice room part. But are there any more bulletins?

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Edited by Ananda
Organizing it into two separate paragraphs
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Here's the air handler service bulletin:

 

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Also uses this tech sheet:

This comes up to:

This one to:

This tip also:

This one to. I know most are not related to your problem but here you go:

 

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Thank you so much! This will get me on the right track.

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Posted (edited)

I found out: The fresh food ice maker EVAP thermistor clip was cracked and the bi-metal clip was loose, not in full contact with the evaporator because both are plastic clips. The same was true in the freezer evaporator because it uses the exact same bimetal and the exact same thermistor. So I replaced the freezer evaporator thermistor because it had the wrong reading from the board. Then I zip tied both thermistors and both bi-metals firmly to the evaporators and removed all the frost from the fresh food ice room. This should help both fully defrost now that they're in full contact with the evaporators, facilitating good heat transfer. Defrosting the fresh food ice room allows for a full seal to prevent air leakage that cause frost which froze the ice maker fill tube.

Edited by Ananda
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  • 2 weeks later...

I came across this training document by accident that goes into great detail into the actual changes made in the ice room area which could give insights into potential problems on non updated parts like the fan position in the air handler or the types of defrost termination devices in the ice maker evaporator.  It also gives really detailed instructions on how to make the modifications in the service bulletin to make the ice room and internal components work like the redesigned ones they come in newer models. 

 

https://appliantology.org/files/file/4412-frigidaire-2017-refrigerator-update-training-presentation/

Edited by Ananda
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