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Testing continuity on thermal dishwasher, help me! #4573983
11/14/17 04:49 PM
11/14/17 04:49 PM
Joined: Nov 2011
Posts: 4,965
MTL, CANADA
Rolla07 Offline OP
Rolla07  Offline OP
Joined: Nov 2011
Posts: 4,965
MTL, CANADA
Hi all, I am not super familiar with using a digital voltmeter to test for stuff. My dishwasher is a Kitchen Aid unit that just didn't light up today.. Long story short my oven stopped working a few months back (under 10 year old Jenn Air and yesterday my fridge was acting up and this morning my stove).. when it rains it pours I guess. Im now pretty fed up with Whirlpool in general. 10 years is now too much to ask for stuff to last.

Ok let me get to the point... upon research my dishwasher seems to have a common failure point as the thermal fuse failing. So I removed it from my dishwasher and put the test leads to each end. lowest ohm setting per youtube video I followed.. the numbers started off high but once maintained onto the fuse showed me a result of 00.4 This is at 200 setting on my digital meter. Does this mean its good or bad? If I am doing something wrong, would appreciate someones input! Thanks!


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Testing continuity on thermal dishwasher, help me! [Re: Rolla07] #4573988
11/14/17 04:53 PM
11/14/17 04:53 PM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
That means its good.

low ohms mean current is flowing.


2019 Jeep Cherokee Trailhawk 2.0T
Re: Testing continuity on thermal dishwasher, help me! [Re: Rolla07] #4573997
11/14/17 05:02 PM
11/14/17 05:02 PM
Joined: Dec 2012
Posts: 635
Washington for now
WhyMe Offline
WhyMe  Offline
Joined: Dec 2012
Posts: 635
Washington for now
just use a wire and jump the thermal fuse . if everything works then that the issue

Re: Testing continuity on thermal dishwasher, help me! [Re: WhyMe] #4574003
11/14/17 05:08 PM
11/14/17 05:08 PM
Joined: Nov 2011
Posts: 4,965
MTL, CANADA
Rolla07 Offline OP
Rolla07  Offline OP
Joined: Nov 2011
Posts: 4,965
MTL, CANADA
Originally Posted By: WhyMe
just use a wire and jump the thermal fuse . if everything works then that the issue


What kind of wire?


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Testing continuity on thermal dishwasher, help me! [Re: Rolla07] #4574013
11/14/17 05:26 PM
11/14/17 05:26 PM
Joined: Dec 2012
Posts: 635
Washington for now
WhyMe Offline
WhyMe  Offline
Joined: Dec 2012
Posts: 635
Washington for now
Originally Posted By: Rolla07
Originally Posted By: WhyMe
just use a wire and jump the thermal fuse . if everything works then that the issue


What kind of wire?


a paper clip will do. thermal fuses look just like a diode . just bypass it and see if it starts working

Re: Testing continuity on thermal dishwasher, help me! [Re: Rolla07] #4574014
11/14/17 05:28 PM
11/14/17 05:28 PM
Joined: Aug 2008
Posts: 21,194
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 21,194
ON, Canada eh?
Use a solid (not stranded) 14 or 12 gauge wire. The wire used to wire plugs/switches is high enough current rating for that test.

Last edited by StevieC; 11/14/17 05:28 PM.

'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Testing continuity on thermal dishwasher, help me! [Re: Rolla07] #4574210
11/14/17 08:00 PM
11/14/17 08:00 PM
Joined: Mar 2004
Posts: 21,094
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,094
Upstate NY
Are you sure your home did not experience a surge?

You can verify power is getting to the dishwasher with your DVM.

But to do much more than basic checkout you will need the schematic for the unit and be able to understand it which I assume you are not up to.

If over 10 yrs old get a new one.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)

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