Question about GE JVM1750SMSS Microwave Oven

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Exhaust Fan Turns on by itself and will not shut off

Unexpectantly, the exhaust fan turned on by itself. And I could not turn it off...without pulling the plug. After waiting awhile, I plug the unit back in, and the exhaust fan was still on.

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  • GE Master
  • 9,047 Answers

Your hood TCO may be shorted. It should read normally open.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

Exhaust Fan Turns on by itself and will not shut o - e6f5886.jpg

You can find links to helpful exploded view diagrams and part ordering help here.

I recommend that you bookmark that link to your favorites.Or if you've recently had a blown cooktop light, it may have damaged your fan control on the circuit board.

We see (and repair) this a lot. The problem is on the control panel, which we regularly repair nationwide by mail for $39.95 postpaid in about a week or so.

At our Web site, you can get details of our service, plus we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

The lights can can be inoperable or stuck on or stuck in "night light" mode. Sometimes this will similarly affect the fan operation or inside light, too.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on May 16, 2010

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1 Answer

Fan running when door open


measure this test and use the multimeter for fix it. GOD BLESS YOU

  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.
eac73919-fb4b-4215-9b09-4be6d14c228d.jpg037010e4-f03c-4ce0-9505-3877497d2ea4.gif

Nov 08, 2013 | GE JVM2070 Microwave Oven

1 Answer

Fan starts when i open door


follow this test and use the multimeter and fix it. God bless you


  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.
6b9e458e-3778-419a-8333-199b8cb372a6.jpg65d0e5b7-dcc3-4311-8b4c-91e5c361525d.gif

Nov 08, 2013 | GE JVM2070 Microwave Oven

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We changed the charcoal filter & reset it. The vent fan still does not run. I cannot turn the vent on by pressing the vent button but the micro still heats up. What happened to the fan?


follow this steps and fix iT. God bless you


  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#12#ixzz2gURd1VtM
http://www.appliancepartspros.com

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My 900 em do oven keeps over heating and switching off


follow thes steps and fix it.God bless you
Exhaust Fan Motor


If the exhaust fan does not run the fan motor might be bad. Remove the fan motor from the microwave oven and see if the blades can be turned by hand. They should turn very freely, if they're stiff the fan motor will need to be replaced. The fan motor can also burn out. To test this use an Ohm meter. The motor should have continuity. If it doesn't, replace it.
Thermostat


If the microwave exhaust fan is not working the thermostat might be defective. The thermostat senses the air temperature and turns on the fan as needed, if it's defective it won't turn on the fan. Watch our video on testing thermostats.
Main Control Board


If the microwave exhaust fan is not working check the exhaust fan motor and wiring. If they are good the main control board might be defective.1_24_2013_5_50_54_pm.gif1_24_2013_5_53_00_pm.jpg

Jan 24, 2013 | Microwave Ovens

1 Answer

We have a kenmore ultra wave microwave and the fan has stopped working and now the microwave won't operate. Any suggestions?


see this causes and fix it .God bless you
Exhaust Fan Motor If the exhaust fan does not run the fan motor might be bad. Remove the fan motor from the microwave oven and see if the blades can be turned by hand. They should turn very freely, if they're stiff the fan motor will need to be replaced. The fan motor can also burn out. To test this use an Ohm meter. The motor should have continuity. If it does
Thermostat If the microwave exhaust fan is not working the thermostat might be defective. The thermostat senses the air temperature and turns on the fan as needed, if it's defective it won't turn on the fan. Watch our video on testing thermostats.

Main Control Board If the microwave exhaust fan is not working check the exhaust fan motor and wiring. If they are good the main control board might be defective.


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No problem just normal operation...

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