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Rinnai EX38CTP -- chilly regulator. Bother
Anyone have any bright ideas as to why a brand new Rinnai EX38CTP would run for about 36 hours and then fail to ignite (flashing code 11)? I'm going to get the gas company out here tomorrow (well -- maybe Tuesday?) to look at it, but I know very little about these contraptions... and if anyone has any bright thoughts I'd appreciate it.
When you try to get it to run, you hear a fan start and the set temperature shows (and "L" for ambient -- no kidding) then the fan slows slightly and you hear whoosh and the "on" light goes to red for about 10 seconds, then it shuts down and blinks 11.
General reference -- as I say, unit is brand new (installed Thursday). It's cold in the building it's in (right around freezing at the moment) and a lot colder outside. New propane tank and gas line and regulator. Ran fine for about 36 hours then quit.
I have no clue as to these things...
Thanks guys and gals!
Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England.
Hoffman Equipped System (all original except boiler), Weil-Mclain 580, 2.75 gph Carlin, Vapourstat 0.5 -- 6.0 ounces per square inch