Question about Amana ACO1860 Microwave Oven

2 Answers

Amana microwave touchpad

Suddenly, the bottom buttons on the touchpad have stopped working - vent, turntable, and light sensor controls. Any suggestions??

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  • lindell Jan 01, 2008

    Re: Amana microwave touchpad.

    We fixed the problem. One of the bulbs was burned out, so we replaced it. Then we unplugged the machine for a minute or two. When we plugged it back in, all was well.

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Well.........Here is what I did. Some buttons did not work. Could not turn on the light, vent, cancel, any of the dumb little "popcorn, potato, beverage" or any of those buttons. I could, however, hit say, 33 and Start and it would cook for 33 seconds. You had to go the full 33 seconds because the Cancel button did not work (trouble if you accidentally entered 3333).

So, took the touchpad box off of the microwave and proceeded to clean all of the contacts on everything that had a contact. I used Isopropyl Alcohol and a Cue-tip to clean everything gently but fully. I paid lots of attention to the contacts on the green plastic "strip" as there was quite a bit of black stuff on the contacts themselves and on the strip. I don't suppose that it was a problem being on the strip as I think that the wires are on the inside of the plastic, but I cleaned it anyways.

The connector that connects the circuit board to the touchpad (green plastic strip) was a little tricky to seat back into the proper location as the plastic connector sort of became a "free agent" and did not want to line up properly. I found that it went easy once I determined that all you had to do was seat the connections into the connector and then seat the clip on top of the whole thing.

Well, I reconnected everything, plugged it back in, and everything worked just fine. My opinion is that the black stuff was either dust that collected and combined with the steam or maybe even some sort of mold or mildew that grew in that nice, warm, moist environment.

I was about to do one of 3 things: 1) Buy a replacement Control Board ($159.99); 2) Buy a replacement Touchpad ($39.99); or buy a replacement microwave ($329.99).

My cost to fix this? $000.00. Try it first if you have a similar problem. Good Luck!

Posted on Aug 28, 2012

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  • Amana Master
  • 9,098 Answers

Do they beep when you press them?

Do you hear any clicks when you press them?

Either way, it sounds like a problem in the control panel assembly, which we repair for $39.95 nationwide.

We have full details, plus *critical* safety, disassembly, and troubleshooting info at our site. You'll find a link to our site in our listing here on FixYa: http://tinyurl.com/yzjozk

Please feel free to write back with more details if you need further help.

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jan 01, 2008

  • William Miller
    William Miller Jan 02, 2008

    .

    Very good! Looks like you avoided the circuit board damage.



    By the way, my previous response was based on the assumption that the bulbs had already been checked and/or replaced. I'll keep that in mind next time! *grin*



    Happy New Year!

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1 Answer

Control panel touchpad does not work; push buttons for Vent, etc. are ok and clock is working. Sometimes when I press the Vent button, I get a message saying the charcoal filter needs replacing. I looked...


follow this steps and fix it. God bless you

  1. Controller is confusedA power surge or random non-reproducible action of the universe may have resulted in the controller's program ending up in an infinite loop. Pull the plug for a minute or two to reset it.
  2. Defective Interlock switchesThis can result in the controller thinking the door is open and ignoring you.
  3. CleaningCleaning solutions (spray cleaner) may have gotten inside and shorted out the touchpad or controller. If this happens remove the touchpad, let it air dry for a few days, and then attach it back on the microwave.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#4#ixzz2hVdoScpK
http://www.appliancepartspros.com

Oct 12, 2013 | GE SpaceMaker Microwave Ovens

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Troubleshooting Guide


  • Problem: Totally dead oven.
    Possible causes:
    1. No power to outlet (blown fuse or tripped breaker or GFCI).
    2. Blown main fuse - likely due to other problems.
    3. Open thermal protector or thermal fuse.
    4. Defective controller or its power supply.
    5. Clock needs to be set before other functions will operate (some models).

  • Problem: Totally dead oven after repair.
    Possible causes:
    1. Cabinet screws replaced in incorrect location (safety interlock not engaged).
    2. Any number of screwups. :)

  • Problem: No response to any buttons on touchpad.
    Possible causes:
    1. Door is not closed (some models).
    2. You waited to long (open and close door to wake it up).
    3. Controller is confused (pull plug for a minute or two to reset).
    4. Defective interlock switches.
    5. Faulty controller or its power supply.
    6. Touchpad or controller board contaminated by overenthusiastic cleaning.
    7. Defective/damaged touchpad.

  • Problem: Oven runs when door is still open.
    Possible causes:
    1. Damaged interlock assembly.
    2. Cooling fans (only) running due to bad sensor or still warm.

  • Problem: Oven starts on its own as soon as door is closed.
    Possible causes:
    1. Defective triac or relay.
    2. Controller is confused (pull plug for a minute or two to reset).
    3. Defective controller or its power supply.
    4. Touchpad or controller board contaminated by overenthusiastic cleaning.
    5. Defective/damaged touchpad.

  • Problem: Oven works but display is blank.
    Possible causes:
    1. Defective controller or its power supply.
    2. Broken display panel.
    3. Oven needs to be reset (pull plug for a minute or two to reset).

  • Problem: Whacked out controller or incorrect operation.
    Possible causes:
    1. Previous or multipart cook cycle not complete.
    2. Controller is confused (pull plug for a minute or two to reset).
    3. Defective controller or its power supply.
    4. Touchpad or controller board contaminated by overenthusiastic cleaning.
    5. Defective/damaged touchpad.
    6. Defective sensor (particulalry covection/mirowave combos).

  • Problem: Erratic behavior.
    Possible causes:
    1. Previous or multipart cook cycle not complete.
    2. Bad connections in controller or microwave generator.
    3. Faulty relay - primary (or HV side, much less commonly used).
    4. Defective controller or its power supply.
    5. Bad contacts/connections on mechanical timers. Intermittent fuse.
    6. Power surge at start of cook cycle confusing controller.
    7. Microwave (RF) leakage into electronics bay.

  • Problem: Some keys on the touchpad do not function or perform the wrong action.
    Possible causes:
    1. Touchpad or controller board contaminated by overenthusiastic cleaning.
    2. Defective/damaged touchpad.
    3. Controller is confused (pull plug for a minute or two to reset).
    4. Faulty controller.

  • Problem: Microwave oven does not respond to START button.
    Possible causes:
    1. Defective START button.
    2. Faulty interlock switches.
    3. Door is not securely closed.
    4. Faulty controller.
    5. You waited too long - open and close door to wake it up!

  • Problem: No heat but otherwise normal operation.
    Possible causes:
    1. Blown fuse in HV transformer primary circuit or HV fuse (if used).
    2. Bad connections (particularly to magnetron filament).
    3. Open thermal protector or thermal fuse.
    4. Open HV capacitor, HV diode, HV transformer, or magnetron filament.
    5. Shorted HV diode, HV capacitor (will blow a fuse), or magnetron.
    6. Defective HV relay (not commonly used).

  • Problem: Timer and light work but no heat, cooling fan, or turntable rotation.
    Possible causes:
    1. Defective (lower) door interlock switch or door not closing fully.
    2. Faulty relay or triac.

  • Problem: Fuse blows when closing or opening door:
    Possible causes:
    1. Defective door interlock switch(s).
    2. Interlock switch knocked out of position.
    3. Misaligned door.

  • Problem: Loud hum and/or burning smell when attempting to cook.
    Possible causes:
    1. Shorted HV diode, magnetron.
    2. Burnt carbonized food in or above oven chamber.
    3. Shorted winding in HV transformer.
    4. Frayed insulation on HV wiring.

  • Problem: Arcing in or above oven chamber.
    Possible causes:
    1. Burnt carbonized food deposits.
    2. Exposed sharp metal edges.

  • Problem: Fuse blows when initiating cook cycle.
    Possible causes:
    1. Defective interlock switches or misaligned door.
    2. Shorted HV capacitor.
    3. Shorted HV diode.
    4. Shorted magnetron (probably won't blow main fuse but HV fuse if used).
    5. Defective triac.
    6. Old age or power surges.
    7. Defective HV transformer.
    8. Short in wiring due to vibration or poor manufacturing.

  • Problem: Fuse blows when microwave shuts off (during or at end of cook cycle).
    Possible causes:
    1. Defective triac (doesn't turn off properly).
    2. Defective relay.
    3. Shorting wires.

  • Problem: Oven heats on high setting regardless of power setting.
    Possible causes:
    1. Faulty primary relay or triac or HV relay (not commonly used).
    2. Faulty controller.

  • Problem: Oven immediately starts to cook when door is closed.
    Possible causes:
    1. Shorted relay or triac.
    2. Faulty controller.

  • Problem: Oven heats but power seems low or erratic.
    Possible causes:
    1. Low line voltage.
    2. Magnetron with low emission.
    3. Faulty controller or set for wrong mode.
    4. Stirrer (or turntable) not working.
    5. Intermittent connections to magnetron filament or elsewhere.
    6. Faulty primary relay or triac or HV relay (not commonly used).

  • Problem: Oven heats but shuts off randomly.
    Possible causes:
    1. Overheating due to blocked air vents or inoperative cooling fan.
    2. Overheating due to bad magnetron.
    3. Bad connections in controller or microwave generator.
    4. Faulty interlock switch or marginal door alignment.
    5. Faulty controller.
    6. Overheating due to extremely high line voltage.
    7. Stuck stirrer fan resulting hot spots detected by sensors.

  • Problem: Oven makes (possibly erratic) buzzing noise when heating.
    Possible causes:
    1. Fan blades hitting support or shroud.
    2. Vibrating sheet metal.
    3. Vibrating transformer laminations.
    4. Turntable or stirrer hitting some debris.

  • Problem: Oven light does not work.
    Possible causes:
    1. Burnt out bulb :-).
    2. Bad connections.

  • Problem: Fans or turntables that do not work.
    Possible causes:
    1. Gummed up lubrication or bad motor bearing(s).
    2. Loose or broken belt.
    3. Bad motor.
    4. Bad thermostat.
    5. Bad connections.

on Mar 30, 2008 | Kenmore 80412 Microwave Oven

1 Answer

Change Motor but turn table does not turning?


test the following steps and fix it. God bless you

Turntable Motor

If the microwave turntable doesn't turn the turntable motor might be worn out. This is a common problem and relatively easy to replace.


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Touchpad and Control Panel

If the microwave turntable doesn't turn the touchpad and control panel might be defective. This is not common. Test the turntable motor first.





Touchpad

If the microwave turntable doesn't turn and the touchpad has a button to turn the turntable on and off the touchpad might be defective. Check the turntable motor first, that is more likely.





User Control and Display Board

If the microwave turntable doesn't turn the turntable motor might be worn out. This is a common problem and relatively easy to replace. If the motor is good, the user control and display board may be defective.




Main Control Board

If the microwave turntable doesn't turn the turntable motor is usually the problem. If the motor is good the main control board might be defective

Jun 16, 2013 | Microwave Ovens

1 Answer

Opened door ,oven light blew out,turntable motor stopped also noticed power button next to timer button shows nothin when you try it. but you can put in cup of coffee it will heet up.


This is a fairly easy one. First, make sure the turntable coupler under the glass dish is not broken. Second, on the control board, find the turntable relay and test for voltage. Some turntable motors are 24 volts DC, so make sure your testing the correct voltage. If no voltage from the control board, then replace the control board. Otherwise head towards the turntable motor.
On OTR models, you can get to the motor by un-screwing the bottom panel on the microwave. On countertop models, there will either be a knockout or screw on access panel. Check for voltage at the motor. If no voltage, check the wiring back towards the control. If voltage, then replace the turntable motor. The component list below also shows how to test a turntable motor.
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Apr 02, 2013 | Microwave Ovens

1 Answer

Microwave turntable doesn't turn. Everything else


The turntable system typically consists of the motor, the coupler, the turntable support with rollers, and the tray.

Here is a video of how a turntable motor should sound when you rotate it by hand.

If yours is not set to be off via the control panel, and it won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven.

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

But if you've recently had trouble with the cooktop lights, then the control board may be damaged.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week or so with a one-year guarantee.

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

Nov 28, 2009 | Frigidaire Microwave Ovens

1 Answer

Microwave stopped working


to indutolia

The original problem was probably a bad turntable motor, which is pretty easy to replace.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

Now I'd say you have a bad door switch (whether upper or lower depends on the model number) or a problem with the door switch mount.

This is a pretty simple problem to fix, too: http://www.microwavedisplay.com/doorsw.txt

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

to lostonisland - Your problem is different enough that it should be a separate post. Please include your brand and model number when you repost.

Dec 10, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

My microwave is not heating up suddenly...its working fine till morning...suddenly it stopped heaing things....[lease suggest me with a solution


Do the inside light and turntable come on when you try to cook?

Is it making any unusual noise or is it louder or quieter than normal?

Do you have the model number?

Aug 09, 2008 | Microwave Ovens

2 Answers

Turntable doesn't turn


If you just purchased and Installed the microwave, I would call Sears and tell them what is happening, generally, it would still be under warranty if less than a year old. If its a countertop model, you may have to take it in, otherwise they should come to the home for the repair. I would also NOT indicate that you have looked at it as that would void your warranty.
Otherwise, it seems like the problem could be, a) touchpad , b) a relay or c) the main control board

Feb 02, 2008 | Kenmore 62642 / 62644 / 62649 Microwave...

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