Question about Imperial IFS40 Deep Fryer
Pilot light ignites and will stay on but when turning up thermostat burners won't ignite , no gas to ignite I have an LPG unit
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Posted on Jan 02, 2017
Hi there, it sounds like your thermopile, for the pilot, is failing during use, when this happens, the small DC voltage it generates is less than the gas valve requires to stay open, and shuts off the pilot, which shuts off the main burners. Another thing that could be happening, is the hi limit is opening prematurely, instead of shutting of the pilot at 450 deg. it now is opening at 325, or 225 or 250. Sometimes the sensing bulb gets broken where it pass's through the oil tank causing this symptom. If you temporarily bypassed the hi limit to test this also, and it still goes off, you need a thermopile. If it stays on, check your temp with a reliable thermometer, and see if it reads fairly close to your setting, if so, then you need a hi limit.
Hope that helps, and thank you.
Posted on Feb 21, 2009
SOURCE: pilot light is staying lit
Sounds like an intermittent thermostat problem. You must make sure the millivolts are high enough or the thermostat can call for heat but the gas valve won't open. You must have over 200 millivolts reading when the thermostat is calling for heat. If the millivolts are good....replace the thermostat.
Posted on Aug 16, 2010
Testimonial: "thanks. "
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