Cause of malfunction
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Elimination Method
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Individual filaments of the heating element do not heat up
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Thread break |
Replace glass with heating element |
None of the threads get hot
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The switch, relay, fuse No. 9 are faulty, the wires are damaged, the tips are oxidized or poorly connected, the contact from the glass heating element is disconnected | Faulty switch, relay, fuse, wires replace. Clean, crimp terminals. If the terminal is soldered from the heating element, replace the glass with the heating element |