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luckyatva  
#1 Posted : Saturday, January 23, 2016 2:29:45 PM(UTC)
luckyatva

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I have the KitchenAid KERC506HWH3 and last week the oven decided to quit working. I have not been able to find the wiring diagram but have tested all three elements the broiler, the convection unit, and the standard bake element. When I turn the oven on the panel acts as if everything is working fine. And I get 120 V to the element. Without the oven on -0 voltage to the element. I did not see the thermal fuse on this unit.
I'm looking for a wiring diagram and any assistance that I can get.
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denman  
#2 Posted : Sunday, January 24, 2016 1:23:25 AM(UTC)
denman

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Here are your parts
Parts for KitchenAid KERC506HWH3 Range - AppliancePartsPros.com

See the attachment for a wiring diagram.

I am assuming that the stove top elements work OK.

The wiring diagram does show a 20 amp fuse but I also could not find it in the parts.

Trace the wire from the DLB relay on the board back to L2 and you should find it.
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luckyatva  
#3 Posted : Sunday, January 24, 2016 5:58:25 AM(UTC)
luckyatva

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Thank you for your response. I did look at your website for a schematics the other day and again after you sent me the link however there were none to be found. My assumption is that the primary wire going to the elements from the left side of the control board should have been hot with 120 V. When the oven is turned on the second leg which is brown in this case is activated by a relay on the board and sends 120 V to the opposite side of the elements.
When I turn on the oven I get the 120 V across the relay and down to the elements. However the second leg is not activated. Looking at the board last night I see there are several black relays close to the secondary wires my assumption is that they are what activates the second voltage through those wires.
I was hoping for a thermal cutoff switch or fuse but as of yet have not been able to find one either in the parts lists or physically looking at the machine. I think my assumption is correct but I assume that there is no high limit switch which you traditionally see on these ranges.
If you know I need to know how the second leg to each individual element is activated. My belief is that the board relays have malfunctioned and are not getting the proper activation voltage to engage these relays.
Thank you for your help.
denman  
#4 Posted : Sunday, January 24, 2016 7:15:55 AM(UTC)
denman

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I will try to attach it again.
Hopefully it works this time.

[COLOR="Blue"]I was hoping for a thermal cutoff switch or fuse but as of yet have not been able to find one either in the parts lists or physically looking at the machine.[/COLOR]
Either have I but the wiring diagram does show a fuse so I do not know what is going on.
[COLOR="Blue"]
I think my assumption is correct but I assume that there is no high limit switch which you traditionally see on these ranges.[/COLOR]
Hi-limits are normal on built in ovens most ranges do not use them.

[COLOR="Blue"]If you know I need to know how the second leg to each individual element is activated. My belief is that the board relays have malfunctioned and are not getting the proper activation voltage to engage these relays.[/COLOR]
A lot depends on how/where you are measuring.
You have to get 240 volts across the element.
FYI L1 is usually black and L2 is usually red.

One side of the elements are common.
They get power from L2, thru the fuse if you can find it (it may not even be there) and then through the DLB relay contacts.

The other side of each element goes to their individual control relay and then to L1.

The problem with using Neutral/ground as one side of your meter is that you cannot tell if the 120 is L1 or L2 voltage.
L1 voltage is the more likely as it is common to both bake and broil.
Also even if everything was OK you would still see the 120 volts.
The only difference would be that on one side of the element you see L1 voltage and on the other you see L2 voltage. Only when you measure across the element would you see 240 volts.

I hope I explained the above OK.
File Attachment(s):
KERC506.pdf (321kb) downloaded 5 time(s).

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