View Full Version : York Affinity 9.C series Fault Code 10
04-11-2012, 03:00 PM
Gotta York 9C9C16N Affinity gas furnace with code 10 "gas flow with no call for heat". turned gas off, pulled flame sensor, turned stat off - code would not go away. Can't get it to cycle long enough to check anything before pulls this code. unplugged blower and plugged back in - code went away, cycled no code. This is intermittant problem and everything seems to check out ok but obviously it's not. Any ideas?
04-11-2012, 08:09 PM
Im not as familiar with the York Affinity as I am with other models, but without any of the servie or installation literature for it my question to you is, what on this furnace can tell the board there is gas flow with no call for heat??
04-11-2012, 08:23 PM
Ten Flashes - Gas valve shorted.
Check gas valve wiring.
If wiring OK - replace gas valve.
If you had gas flow once, without a call for heat, I would not wait to see it happened again before I replaced the valve.
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