Hello Gang, I have a Whirlpool Btm Mount GB9SHDXPQ02 with a defrost problem. I tried to run it through test program but not sure if it was successful. It seems all the thermistors are in good shape or received a 'pass'. Heater ohm'ed out at 32-so that is good. When I got to the thermostat test it read 1 in the left or "freezer' side and 5 on the "fridge' side. Of course when looking through the tech sheet this part of the sheet was ripped apart....I am pretty sure that is indicative of a shorted thermostat and therefor would require replacement, but am not 100% sure of the tech sheet. Any thoughts?
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GB9SHDXPQ02-whirlpool Btm Mount, not defrosting.
Started by Brooke Falconer, Jun 07 2012 02:58 PM
whirlpool btm mount not defrosting thermostat
4 replies to this topic
#1
Brooke Falconer
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Posted 07 June 2012 - 02:58 PM
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#2
RussTech
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Posted 07 June 2012 - 03:08 PM
1, S is indicative of a shorted thermostat. 1, 0 is pass
Edited by RussTech, 07 June 2012 - 03:09 PM.
#3
Brooke Falconer
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Posted 07 June 2012 - 03:17 PM
Thank you! That's the exact part of the paper that was ripped through! I shall order a thermostat immediately! 
#4
Vets Appliance
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Posted 07 June 2012 - 03:35 PM
Noooo... a shorted thermostat is a good thermostat if the unit is cold. That thermostat is technically called a defrost "terminator" because if the unit gets warm (40ish degrees or so) then the terminator will open and "terminate" the defrost... which prevents the heater from coming on, melting the plastic.
In other words, it won't let the heater come on if there is not ice to absorb the heat.
This unit is practically the same one as the Maytag PBF Series. Whirlpool owns Maytag and the units are released under different model numbers but they both use the 12868513 Main Board... which is quickly becoming notorious for defost issues.
For a more detailed walk through of this see the reply I just did for this thread:
http://appliantology...tor-pbf2255hew/
In other words, it won't let the heater come on if there is not ice to absorb the heat.
This unit is practically the same one as the Maytag PBF Series. Whirlpool owns Maytag and the units are released under different model numbers but they both use the 12868513 Main Board... which is quickly becoming notorious for defost issues.
For a more detailed walk through of this see the reply I just did for this thread:
http://appliantology...tor-pbf2255hew/
Edited by ScottsApplianceRepar, 07 June 2012 - 10:53 PM.
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#5
Samurai Appliance Repair Man
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Posted 10 June 2012 - 01:43 PM
Part link to the main control board ==> http://www.repaircli...2868513/1472681
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