Question about George Foreman GF20G Indoor Grill

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My george foreman grill won't heat up

I checked the thermister that is in series with the ac power input and it is open. I put a jumper wire across it and the grill heats up. I need to replace the thermister but can't find one. The part number on it is 232512. Any ideas as to where I can buy it?


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I have same problem. Just ordered a replacement from Digi-Key. Their part # is 317-1087-ND. Their part is made by Faston, but the specs are the same as the T-KEY C1-2021. Cost is $6.92 plus $1.90 for shipping and handling.

Posted on Jun 16, 2009

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If you use the part number specified in the previous response (317-1087-ND) your grill will only heat to 85 degrees Celsius. Specs of the previous Thermal regulator switch is 175 degrees Celsius. It will take a long time to cook anything at 85 Celsius!

Posted on Nov 15, 2009


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Posted on Jan 02, 2017

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Sounds as though the boiler has lost the supply to the heating element, or the supply is low.. Check that the thermal fuse in series with the boiler heater is not open circuit (there may be more than one in series). If it is OK, check for continuity across the heater inputs - if that measures open circuit or very high resistance, the heater has failed.

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I have an error code H401 on my sharp AR336 copier. Help please

H 401 means Heat roller low temperature detection. i.e. The temperature does not reach the
preset value within the specified time (3 min. in usual modes; 5 min. in curl correction mode.) after the power relay is turned on.
Possible causes
Thermister defective
Heater lamp defective
Control PWB defective
Thermostat defective
AC power supply defective
Interlock switch defective

Possible remedies
Check heater lamp for blinking with SIM5-2.
If lamp blinks properly:
Check thermister and its harness. Check thermister input circuit of control PWB.
If lamp does not light:
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Check lamp control circuit of AC PWB and control PWB.
Clear the trouble with SIM14.

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Sounds like a problem with the furances circuit board. With the furance powered off, disconnect the two wires at the circuit boards thermostat terminal strip. These are probably red and white wires connected to the "Y" and "C" thermostat terminal strip on the circuit board. These two wires send 24 volts to the outside A.C. condenser unit when the thermstat is se tinto the cooling mode. With the thermostst in the "off: postion measure across the "Y" & "C" terminals at the furances thermostat terminal strip. If you have voltaged than either the board or thermostst has failed. The next step to determine which has failed is this. Disconnect all the thermostat wires at the furance. To check the heating circuit jumper across the "R" & "W" terminals, the furance should fire off for the heating circuit and run non stop beacause the thermostat is no longer controlling it and is isolated from the furance. Now remove the jumper and jumper across the "R" &"Y" terminals, the blower should run at your furance for the cooling mode and you should have 24 volts across the "Y" & "C" terminals for the outside A.C. condenser compresor contactor.Next check for blower operation by jumpering across the "R" & "G" terminals. If everything checks outs than the thermostst is the problem. Tou may also want to check the control wiring at the thermostts , furance & out side condenser unit. If the wiring has connnected somewhwre between these points or at the terminal connection this may also be bring on the A.C. when the thermostat is in the "off position.

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Pleas can you help, when i turn on my Sharp Ar 337 i get this all the time earra cord H3-00. can you tell me how i can solve the problem .

H3: Heat roller high temperature detection
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  • Control PWB defective
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check and remedy:-
Check heater lamp operation with SIM5-2.
If lamp blinks properly:
Check thermister and its harness.
Check thermister input circuit of control PWB.
If lamp lights and stays lit:
Check lamp control circuits of AC
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Clear the trouble with SIM14.

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