GE oven not heating properly


R

rburge58

I have a GE Mark 27 model#JMS07001AD that heats up but does not come
even close to cooking temperature. I think maybe it may be the
temperature comtrol. I took the front jpanel off and took the control
off. There are 4 spade type connections on the control, two somewhat
big wires on one side and a two into one connection and a single
connection on the other side. I tried testing for continuty on the two
bigger wire connections by first pulling off one wire and testing for
continuity between the two connections and then putting the wire back
on and doing the same to the other bigger wire. I have continuity
between those two connections. I tried to look for a wiring diagram on
the stove but could not find one, so I don't even know if I am
checking the right connections. I did check for continuity on the
"thermostat" wire that runs thru the oven and there is continuity
there. So if anybody can help me with this it will be appreciated.


Richard
 
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A

Appliance Repair Aid

I have a GE Mark 27 model#JMS07001AD that heats up but does not come
even close to cooking temperature. I think maybe it may be the
temperature comtrol. I took the front jpanel off and took the control
off. There are 4 spade type connections on the control, two somewhat
big wires on one side and a two into one connection and a single
connection on the other side. I tried testing for continuty on the two
bigger wire connections by first pulling off one wire and testing for
continuity between the two connections and then putting the wire back
on and doing the same to the other bigger wire. I have continuity
between those two connections. I tried to look for a wiring diagram on
the stove but could not find one, so I don't even know if I am
checking the right connections. I did check for continuity on the
"thermostat" wire that runs thru the oven and there is continuity
there. So if anybody can help me with this it will be appreciated.


Richard
Hi,

I have a GE Mark 27 model#JMS07001AD that heats up but does not come
even close to cooking temperature
Do the elements work? Does the broil get red when set on broil, does
the bake get red when set on bake? If yes the wiring should be ok and
possibly/probably is a bad oven temp control.
If the elements do not get red, that would have to be investigated (
burnt wire, bad selector switch, bad oven control, burnt wire, ect ).
I tried to look for a wiring diagram on
the stove but could not find one
Usually glued on the back panal or possible rolled up in the consol
area.
This may help...
http://www.repairclinic.com/referral.asp?R=153&N=311971
Electric range repair manual for GE and Hotpoint units.

http://www.repairclinic.com/referral.asp?R=153&N=252524
Oven thermostat assembly.
jeff.
Appliance Repair Aid
http://www.applianceaid.com/
 
R

Ross Mac

I have a GE Mark 27 model#JMS07001AD that heats up but does not come
even close to cooking temperature. I think maybe it may be the
temperature comtrol. I took the front jpanel off and took the control
off. There are 4 spade type connections on the control, two somewhat
big wires on one side and a two into one connection and a single
connection on the other side. I tried testing for continuty on the two
bigger wire connections by first pulling off one wire and testing for
continuity between the two connections and then putting the wire back
on and doing the same to the other bigger wire. I have continuity
between those two connections. I tried to look for a wiring diagram on
the stove but could not find one, so I don't even know if I am
checking the right connections. I did check for continuity on the
"thermostat" wire that runs thru the oven and there is continuity
there. So if anybody can help me with this it will be appreciated.


Richard
Last time I saw this one, one leg of the 240 volts was open and only 120
volts was hitting the element. Check the incoming voltage, then follow the
connections and see if one leg disappears....good luck on your repair...Ross
 
R

rburge58

Hi,

I have a GE Mark 27 model#JMS07001AD that heats up but does not come
even close to cooking temperature

Do the elements work? Does the broil get red when set on broil, does
the bake get red when set on bake? If yes the wiring should be ok and
possibly/probably is a bad oven temp control.
If the elements do not get red, that would have to be investigated (
burnt wire, bad selector switch, bad oven control, burnt wire, ect ).



Tried the elements and they will heat up properly. The broil function
does the same as the as the bake function. Will heat up but not enough
to cook anything.

I tried to look for a wiring diagram on
the stove but could not find one

Usually glued on the back panal or possible rolled up in the consol
area.

Pulled the stove out, nothing on the back panel, I will keep looking.

Thank you,
Richard
 
R

Ross Mac

I have a GE Mark 27 model#JMS07001AD that heats up but does not come
even close to cooking temperature. I think maybe it may be the
temperature comtrol. I took the front jpanel off and took the control
off. There are 4 spade type connections on the control, two somewhat
big wires on one side and a two into one connection and a single
connection on the other side. I tried testing for continuty on the two
bigger wire connections by first pulling off one wire and testing for
continuity between the two connections and then putting the wire back
on and doing the same to the other bigger wire. I have continuity
between those two connections. I tried to look for a wiring diagram on
the stove but could not find one, so I don't even know if I am
checking the right connections. I did check for continuity on the
"thermostat" wire that runs thru the oven and there is continuity
there. So if anybody can help me with this it will be appreciated.


Richard
Measure the voltage at the back of the heating elemet and see if you have
240-220 volts or so. If not, back track until you find where it is
missing......good luck, Ross
 
R

Ross Mac

I have a GE Mark 27 model#JMS07001AD that heats up but does not come
even close to cooking temperature. I think maybe it may be the
temperature comtrol. I took the front jpanel off and took the control
off. There are 4 spade type connections on the control, two somewhat
big wires on one side and a two into one connection and a single
connection on the other side. I tried testing for continuty on the two
bigger wire connections by first pulling off one wire and testing for
continuity between the two connections and then putting the wire back
on and doing the same to the other bigger wire. I have continuity
between those two connections. I tried to look for a wiring diagram on
the stove but could not find one, so I don't even know if I am
checking the right connections. I did check for continuity on the
"thermostat" wire that runs thru the oven and there is continuity
there. So if anybody can help me with this it will be appreciated.


Richard
Here is a good site for troubleshooting.....hope it helps!....Ross
http://www.repairclinic.com/0088_13_1.asp#Level1_2
 
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R

rburge58

Measure the voltage at the back of the heating elemet and see if you have
240-220 volts or so. If not, back track until you find where it is
missing......good luck, Ross

Ross,

Measured the voltage coming into the stove at 240
Voltage on the top element 56
Voltage on the bottom element 65
Voltage on the top element on broil not even 1 volt

So I have the correct voltage going in and I assume not enough voltage
to the elements.

Richard
 
A

Appliance Repair Aid

Ross,

Measured the voltage coming into the stove at 240
Voltage on the top element 56
Voltage on the bottom element 65
Voltage on the top element on broil not even 1 volt

So I have the correct voltage going in and I assume not enough voltage
to the elements.

Richard
How did you check the elements then?

Many ( not all ) GE ranges will put 110-120 volts AC to the broil and
220-240 volts AC to the bake element during the bake mode and during
the broil the broil element will get 220-240 volts and the bake will
get 0 ( zero ).

jeff.
Appliance Repair Aid
http://www.applianceaid.com/
 
R

Ross Mac

Ross,

Measured the voltage coming into the stove at 240
Voltage on the top element 56
Voltage on the bottom element 65
Voltage on the top element on broil not even 1 volt

So I have the correct voltage going in and I assume not enough voltage
to the elements.

Richard
Ok....turn on the oven with the meter connected...it should show full
voltage when you first turn it on...of course the thermostat will turn it on
and off and as the appliance man says, the broiler element may be on at low
voltage. In any event, the voltage you are stating tells me that one leg of
the 220 to 240 volts or so is open ... follow the wire to the next device
which is probably the selector switch. Perhaps that is open on one of the
legs....hope that helps and hey, if not there are a lot of other sharp folks
out here to help you...good luck, Ross
 
R

rburge58

How did you check the elements then?
Many ( not all ) GE ranges will put 110-120 volts AC to the broil and
220-240 volts AC to the bake element during the bake mode and during
the broil the broil element will get 220-240 volts and the bake will
get 0 ( zero ).
I checked the elements by pulling the top element out with the wires
still hooked up, turned on the temperature switch up high, and turned
the bake switch on. Did the same for the broiler function. Checked the
bottom element the same way.

As Ross mentioned I think I need to check the selector switch.

Richard
 
A

Appliance Repair Aid

I checked the elements by pulling the top element out with the wires
still hooked up, turned on the temperature switch up high, and turned
the bake switch on. Did the same for the broiler function. Checked the
bottom element the same way.

As Ross mentioned I think I need to check the selector switch.

Richard
Hi,

A copy:

*With the element removed from the range, check across the terminals of
the element for continuity. Depending on the manufacturer of the
element, you will normally read between 19 ohms and 115 ohms, with an
ohm meter. To see if the element is grounded, read between each side of
the element terminals to the sheath of the element. If you read
continuity, the element is grounded and should be replaced.*

Not always easy but a common way to split a problem....bake element
should have 220-240 volts AC during the bake mode....remove both wires
and isolate so they won't touch anything.....turn on bake mode and
check each bake element wire to ground....hopefully one will show
110-120 volts AC to ground and the other will be dead....follow the
dead one back to where it comes from.
jeff.
Appliance Repair Aid
http://www.applianceaid.com/
 
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R

Ross Mac

Appliance Repair Aid said:
Hi,

A copy:

*With the element removed from the range, check across the terminals of
the element for continuity. Depending on the manufacturer of the
element, you will normally read between 19 ohms and 115 ohms, with an
ohm meter. To see if the element is grounded, read between each side of
the element terminals to the sheath of the element. If you read
continuity, the element is grounded and should be replaced.*

Not always easy but a common way to split a problem....bake element
should have 220-240 volts AC during the bake mode....remove both wires
and isolate so they won't touch anything.....turn on bake mode and
check each bake element wire to ground....hopefully one will show
110-120 volts AC to ground and the other will be dead....follow the
dead one back to where it comes from.
jeff.
Appliance Repair Aid
http://www.applianceaid.com/
Good Advice....Ross
 

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