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Old 02-24-2021, 04:58 AM   #8
mj5150
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Join Date: Apr 2017
Location: Lacey
Posts: 72
Quote:
Originally Posted by JRTJH View Post
I've seen more than one water heater igniter that will ground out and stop sparking once the water heater gets warm. I'd guess it's possible that one might well "ground out when cold and then start working when it gets hot"... Seems (to me) that as the metal gets hot, it expands just enough to "torque the igniter element, causing it to bend and ground out".... Might be worth a look to see if yours is shorting to ground. It'll still "click like it's sparking" but the spark is going to ground, not to the ends of the two elements and sparking between them.
I'll scope it out, it's just hard to tell when it is going to try and light on it's own. We only know it fails when we notice there is no hot water.
When it's in that error mode, if I dismiss the error, then tap 'Water Heater' and choose 'Both', the hot water fires off on propane a few seconds later every time. It never fails to start when I do it that way.

-Mike
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