Thermador Gas Range keeps blowing Simmer Circuits
Posted 09 April 2005 - 11:36 AM
Also expertappliance.com wants $340 for a new one while www.repairclinic.com wants $153, but is it as good as the OEM part. This is a critical issue with the Cook, because we were told when we bought this stove that its oven was calibrated to maintain the oven temp very accurately.
Posted 09 April 2005 - 12:39 PM
Use your voltmeter to measure the electrical potential difference between the oven chassis (any unpainted surface) and a ground point that is on a different circuit breaker. Do this with the oven turned on. If everything is peachy with your range, you'll read less than 0.2 volts. More than that, and you have a leak to ground somewhere on your range, greasy connections are always suspect.
The OTHER common cause: dirty power. Samurai's 17th Law of Appliance Repair states that, "Raw power is dirty power." Power comes to us on the power lines with surges, spikes, and swells and then we crap it up further with harmonic distortion from computers and other home office equipment like copiers. The whole issue of power quality will increasingly come to the forefront of everyone's attention as we deal with an aging power infrastructure and the additional stress placed on it by the proliferation of home office equipment. You can read an excellent primer on power quality, it's causes, identification, and mitigation, here.
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