Rank: Member
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Joined: 11/2/2012(UTC) Posts: 3
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I have had two transformer failures on this GE Cooktop in the last 3 months. What might cause this part to fail? It should be putting out 240 VAC on one circuit and 12 VDC on the other. It does so in when new but now has zero output.
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Rank: Advanced Member
Groups: APP Team
Joined: 2/12/2012(UTC) Posts: 5,556
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Rank: Member
Groups: Registered
Joined: 11/2/2012(UTC) Posts: 3
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Is it possible that a high voltage input could cause the transformer to fail as opposed to a short on the out put side?
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Rank: Advanced Member
Groups: APP Team
Joined: 2/12/2012(UTC) Posts: 5,556
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Hi.
The short on the hi voltage side is not a very common and you can easily check it. With unit unplugged disconnect the hi side wires from the transformer and using the multimeter check each wire to the ground. You should not read any continuity. If the continuity present - follow up the line to check it.
Simon.
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Rank: Member
Groups: Registered
Joined: 11/2/2012(UTC) Posts: 3
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Originally Posted by: Simon / APP Team Hi.
The short on the hi voltage side is not a very common and you can easily check it. With unit unplugged disconnect the hi side wires from the transformer and using the multimeter check each wire to the ground. You should not read any continuity. If the continuity present - follow up the line to check it.
Simon. I followed the above advise and found NO SHORT. I installed the new transformer (and added a surge protector to the circuit). It worked for a while but has now failed again. I'm guessing that it only shorts out when a certain combination of burners is on or only when they are turned on/off in some unique sequence. Is that likely? What other component would most likely cause such an intermittent short?
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Rank: Advanced Member
Groups: APP Team
Joined: 2/12/2012(UTC) Posts: 5,556
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Hi.
It could be burner switches, indicator lights, spark module or wire harness. Check the harness first.
Simon.
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