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| Joined: | Fri Aug 15th, 2008 |
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Today I crawed up and snuggled with my furnace. It was in it's non functioning mode (perfectly quiet) and the led code was flashing 21 (Two short and one long flash). Given that code the manual reads: Gas heating lockout-Control will NOT auto reset. Check for mis-wired gas valve. / Defective Control (Valve Relay).
I put the covers back on which restored power to the unit and with in a minute it fired back up, which I expected it to. It ran until it reached 71 whick was where the thremostat was set. I bumped the thermostat up one degree and the furnace kicked back on until it reached 72. Though, it's only a matter of time before it stops and goes back to non-function.
I looked around for the flame sensor and still didn't see it. I know it's behind metal and can't see it head on, but how hard can it be? It should be just below the surface ignitor. Back up there to look again. A couple years ago I broke the surface ignitor when I was looking around for something obvious for the malfunction...I know to be much more carefull this time.
Last edited on Sun Oct 25th, 2009 11:31 pm by Lacey29