Author Topic: testing temp sensor  (Read 2541 times)

Offline Crow

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testing temp sensor
« on: January 21, 2009, 07:28:12 PM »
hello all.
  on going with same oven, figured out how to go to diagnostic mide.  control panel display show " 01  3d21 "  well manual states sensor resistance.  i order a new one on line,  after testing ohms on original one the manual calls for 11000 ohms at 75 degrees, mine doesnt test far from that........................any suggestions

crow

Model JGW8130DDW
« Last Edit: January 21, 2009, 07:34:01 PM by Crow »

Offline Repair-man

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Re: testing temp sensor
« Reply #1 on: January 21, 2009, 07:59:30 PM »
Disconnect the power, open the control panel and pull the harness  from J1 on the relay board to the right. These are the sensor connections. You are looking for 1090 to 1100 OHMs, not 11,000. If the reading is within 2% of this the relay board is likely bad.

The clock (LED) display board can also cause this Bake display issue, but by your description of the problem, it is the relay board.
« Last Edit: January 26, 2009, 07:28:23 PM by Repair-man »
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Offline Crow

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Re: testing temp sensor
« Reply #2 on: January 21, 2009, 10:05:26 PM »
when i test the relay, would i first plug the temp sensor back in

Offline Repair-man

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Re: testing temp sensor
« Reply #3 on: January 22, 2009, 05:24:41 AM »
No, you are to unplug the J10 sensor wire and test the resistance from there. If the sensor is within limits, chances are the relay board is bad.
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Offline Crow

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Re: testing temp sensor
« Reply #4 on: January 26, 2009, 05:00:37 PM »
Well  im  not  there  jet..................
    i opened the control panel assembley ...i was not sure where the j10 was or the "relay board".   i assume it was the motherboard attached to control panel...............i ruled out the connecting block that was approx. 1' down on the right, there were no markings.

  anyway reading the wiring chart that was inside of stove, it appeared to me the temp sensor was on the j5  & j7 connectors which i tested and was tested at around 200 ohms.

  im not sure where to go from here, any suggestions would be appreciated



thanks
Crow

Offline Repair-man

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Re: testing temp sensor
« Reply #5 on: January 26, 2009, 07:27:38 PM »
 I can pull up the diagram with your  model number and plainly see that the sensor is on the board at what looks like the J1 harness. There are 5 wires on this particular location and the diagram says "Oven Sensor" at leads 7 and 5 on the harness. This will be 2 white wires.

And yes, that board is always stamped with the J connections.

With the harness disconnected and the meter set to highest  OHM setting, look for 1090 to 1100 ohms across those 2 white wires. If not there, the sensor has issues.
« Last Edit: January 26, 2009, 10:04:42 PM by Repair-man »
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Offline Crow

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Re: testing temp sensor
« Reply #6 on: January 27, 2009, 04:22:03 PM »
okay......i tested the j1 harness ( 5 & 7 pins)  measured at correctly,  would this tell me that the control board is bad?   by the way this oven over the past two years when bought new was used less then 10 times.    im just wondering will the new board not last a long period.   i also read that maytag warranty's the electonics for 5 years (stated in the service manual).

Offline Repair-man

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Re: testing temp sensor
« Reply #7 on: January 27, 2009, 08:32:28 PM »
    im just wondering will the new board not last a long period.   i also read that maytag warranty's the electonics for 5 years (stated in the service manual).

The board (clock) is bad and if it is less than 5 years old, you would pay the Maytag people $128 to replace it (under warranty).


How long do boards last? Right up till the next power surge.

You can not place a projected life-span on an electronic part. Too many outside influences..


I think it is safe to say that they would never have given it a 5-year warranty if they planned on seeing it fail a bunch.


The part for yours is a 74009559




I did manage to find the service manual HERE
« Last Edit: January 27, 2009, 11:47:38 PM by Repair-man »
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Offline Crow

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Re: testing temp sensor
« Reply #8 on: January 28, 2009, 11:36:27 AM »
repair-man,
   thanks for all the help, much appreciated, hope you get the beer i bought
thanks
crow 8)

Offline Repair-man

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Re: testing temp sensor
« Reply #9 on: January 28, 2009, 12:35:50 PM »
Muchos Garcias!

« Last Edit: January 29, 2009, 01:40:24 PM by Repair-man »
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