Question about Neff H56G20S0GB 900 Watts Microwave Oven

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Depressed start button and it remained stuck and wold not work!

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My KCMS1555SSS-2 will run only if I partially depress the door open button.

<- That is likely a loose, misaligned, or broken door switch or door switch mount.

You can find the support documents for this model here, including the parts list, which includes helpful exploded views.

Also see these help files:

You can order Kitchenaid parts from the Pros here.

Jan 05, 2014 | KitchenAid KCMS1555SSS Microwave Oven

1 Answer

R-1481 start button won't work

I have a r-1482 model so I don't know how close they will be. The biggest issue I found so far with my particular model, yours my be the same, is the door safety micro switches fail primarily from opening the door while the unit is in the process of cooking which causes them to arc and burn the contacts resulting in premature failure. With an ohm meter, check the resistance of the contacts of each switch individually with the COM terminal lug temporarily removed and ensure the closed resistance is 0 ohms and infinity when the contacts are open. Measure from the COM terminal to the terminal in use either N.O. or N.C., with the switch button NOT depressed the N.O. will be open while the N.C. will be closed and with the button depressed they will be opposite, in other words N.O. will be closed and N.C. will be open. Another thing to check is that the door hooks aren't broken (they activate the safety switches. Should you remove the switch bracket to replace the micro switches, make sure you wire the switches exactly the way they were COM to COM, NC to NC & NO to NO, mount them in the bracket the exact way they were and adjust the bracket so that the switch buttons are just to the point of being fully depressed and no more when the door is fully closed. The micro switches may be different in model numbers but you can sub with a micro switch that has all three COM, NC, NO terminals and only use the terminals in use for the given switch. I used Omron p/n: D3V-16G-1C25-K from Mouser Electronics (800) 346-6873. Since you didn't indicate the control panel was not operational I won't go into that area. I can't say if the timer will count down or not if the micro switches are bad, but it's a possibility, further pointing to the switches. If the control panel or MW tube is bad it's my recommendation to buy a new oven, though you can get new MW tubes, diode & capacitor, it's not worth the shocking experience to the human body, not to mention the MW radiation.
Good luck if you still have the oven and decide to take it one step further.

Jul 19, 2012 | Sharp R-1481B Microwave Oven

1 Answer

I have the cuisinart 14 cup food processor. I have not used it in probably 6 months and today decided to make a pie crust. Everything is ready to go and when I press ON nothing happens. I made certain...

Sometimes mating the bowl to the base does not depress the indented safety start button at the front of the base. This can happen more often if you pre-assemble the bowl and lid before mating to the base. Sometimes also the plunger rod in the bowl (that pushes the indented safety button) gets fouled with debris and does not slide nicely up and down. You may have to clean that area.
Test the safety button .... take the bowl off and take a small screwdriver to depress the button while activating the start lever. BE CAREFUL ... since the center drive cylinder will spin. If the motor turns on and drive cylinder rotates then the problem is how the bowl was mated to the base. If the motor does not turn on ... then it could be the motor/wiring/switch.
Good luck with your troubleshooting

Feb 12, 2018 | Cuisinart Microwave Ovens

1 Answer

Our Kenmore Microwave Oven # 721.89941490 does not respond when the "start" button on the touch pad is depressed. All other functions of the oven work normally, including time set, count down, light,...

poosible burned contacts on cook relay mounted on circuit board; or, a defective solder connection(s) on same board. another spot to check in the door microswitches.

Aug 30, 2010 | Microwave Ovens

2 Answers

Display on my westinghouse microwave says CHIL it wont work now


what you are to do to fix up the problem is that,put iff the the oven for some time and allow it to relax it self with out an operation, then put it on again then if it has time programming or reset button then click on an of this button for it to restart it self ,

but if this problem remain then you will have to open the the oven then trace the wire down to the panel to clean up any from of dirt or liquid around the panel then couple it back at it was with this the problem will be solve.

thank you and thanks for using fixya.

Jun 14, 2010 | Westinghouse WST3504 Microwave Oven

2 Answers

GE Spacesaver microwave always runs when the door is shut

I see this all the time. In all likelihood the mangnetron has failed, or perhaps even the Power Supply. or a fault that is shutting the system down for safety reasons You need to have it serviced by a reputable service centre/man. Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.

Feb 10, 2010 | General Electric Microwave Oven

1 Answer

'Start' button won't depress, seems jammed; timer knob broke off

the button is stuck because of food buildup over the years underneath the button, this happens even to newer ones after about a year of use, new microwaves are cheap and the lower end models start at only $35 from walmart I would reccomend buying a new one, newer microwaves use less power and are more effecient so a new one will pay for itself in saved electricty costs after about 2-3 years of use.

May 11, 2009 | Emerson Microwave Ovens

1 Answer

Hi. I pressed the 'quickstart' button on my micromat 900 w microwave and used it for 10 seconds. On pressing the 'door open' button, the display panel is showing '1' rather than the cooking time or the...

The first thing I would suggest is a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

If that doesn't work, leave it unplugged for maybe an hour. Then let us know if the hard reset does not fix it.

It may be a problem with a door switch or door switch mount.

Sep 28, 2008 | AEG Microwave Ovens

3 Answers

NU-Tec 21"/51cm model NU2101N

It sounds like the main board is malfunctioning and needs to be replaced. Depending on the age of the tv, you may just want to replace it. Please post the make and model to help us better assist you.

Thank you for using Fixya and good luck

Apr 15, 2008 | Hotpoint RVM1625 Microwave Oven

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