Question about KitchenAid KHMS155LSS 1000 Watts Microwave Oven

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No loop current

When I try to send a fax it comes up as no loop current then tries to retry.

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One side of the phone line to the unit is bad. This could either be in your cords, internal facility wiring, OR with your Telco.

You should see about 50 volts between the two wires to the FAX.

Plug is a plain phone and see if you get dial tone IN THE SAME plug that the FAX is connected.

Posted on Jan 30, 2010

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Try check with one telefone handset, the line fax signal

Posted on Jan 30, 2010


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Posted on Jan 02, 2017

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1 Answer

Not heating up liquid or cooking - power is on and turntable going around, tried all the things mentioned in 'troubleshooting' in the brochure?

well mine is currently in the shop same problem they say door switch and 50.00 to fix , we'll see when it comes back GE brand

Mar 12, 2015 | In Microwave Ovens

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Hi Guys Neff oven/microwave coming up with an

make this: God bless you

A 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.

Nov 02, 2013 | Microwave Ovens

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Microwave oven door wont close

Most microwaves will have a spring loaded latch on the door. The likely issue is the clip for the spring has broken. Unplug it, put it on the benchtop and pry open the inside of the door. It's usually a soft plastic cover that with a gentle persuasion from a flat screwdriver will come off. Start above the latch and pry open as much ad needed. Locate the spring at the bottom, open up one of the fixing loops on the ends with long nose pliers and attach it to a fixed spot around the inside of the door. There are usually metal ribs inside the door and attach the other loop to the base of the latch

Mar 09, 2013 | Microwave Ovens

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Green giant

If you would like to email them, they have a form on this page:

Below is other contact information for General Mills
By Telephone: Please call us at 1-800-248-7310 between (7:30 a.m. - 5:30 p.m. CT, weekdays)By Fax:Please send your fax to1-763-764-8330.By Letter:You can send us a letter at our mailing address:General Mills, Inc.
P.O. Box 9452
Minneapolis, MN 55440

Jun 13, 2012 | Microwave Ovens

1 Answer

My microwave shows an error that says c-5 what is it

That would be "CS", which means low current sense.

CS Current Sense

Current Sense - Indicates control is sensing low current
(Amp) draw. Check components which would allow unit
to run but produce no heat or low heat. Current sense
circuit is active only when using pre-programmed pads.
Time Entry feature will by-pass current sense circuit.
Red wire from cavity T.C.O. must be routed through
current sense loop on H.V. Board.
Possible Causes:
1. Interlock switch (contacts 2 & 3).
2. Open thermal cut-out (magnetron).
3. Open/loose wire.
4. Power relay.
5. H.V. Board.
6. Magnetron.
7. Diode.
8. Capacitor.
9. Transformer.

See the full service manual here.

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

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

Oct 01, 2010 | Amana RC17 Microwave Oven

1 Answer

My microwave shows PF on the screen and none of the buttons are working, not even the timer button. How to solve this problem ?

PF = Power failure. Try and push the clear or cancel button (or start, or clock etc) You may have missed one. If that doesn't work try and unplug it for 10 seconds or so and retry.

Sep 14, 2010 | Microwave Ovens

2 Answers


check the door latches inside the oven, open the housing and spray some lubricants on the latches.

Feb 21, 2008 | Frigidaire FMV145K Microwave Oven

2 Answers


There is something on the secondary side which is drawing too much current. I would check all electrolytic capacitors, zener diodes, transistors, and voltage regulators.

Mar 27, 2007 | Panasonic NN-C994S Convection/Microwave...

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