Question about Heating & Cooling
. is the flame detection probe or its wiring harness, this sits right on the heat ex and over time melts and sticks to the heat ex so looses continuty.
To check if the detection probes faulty, get a multimeter pull the wiring off the probe stick one end of multimeter on probe connection, other end to the wiring plug, set your multimeter to mirco volts. fire boiler up. you want more than 1.5MV's or probes is knakered! Check continuity of wiring, also check wiring is full pushed in to the white molex connector too.
Posted on May 14, 2010
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Posted on Jan 02, 2017
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