Question about Rinnai Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: my rinnai 556fa propane heater
I had the identical trouble with my Rinnai 431F just now & read the unanswered posts.
I checked my intake & exhaust & found them connected & intact then went out to check the exterior vent assembly. The "bell" or dome was almost entirely clogged with ice.
I suspect the 60 - 76 lights flashing means insufficient combustion air.
Anyway, I took a hair dryer to it & in 10 minutes it was working as well as ever.
This won't help you October posters but if anyone else has this problem in the future I would start with the outside vent assembly. Get a good look right up inside because I would have missed this ice if I didn't get up close with a flashlight.
Here's a good source for manuals too...
I'm going back to bed.
Posted on Dec 22, 2008
Is this furnace standing pilot or electronic? if standing pilot turn power off then take t-stat off wall and connect the wires labeled r and c together and see if that keeps furnace working. If electronic check flame sensor you can check flame sensor buy cleaning with steel wool. if that doesn't work then try t-sat.
Posted on Jan 22, 2009
If you have changed the filter, and the light stays on then you need to let the system stay down for 24 hours without running. Also go ahead and check the vent cap on the outside of the unit. The light will go awaa by itself if you need to use the system
Posted on Feb 08, 2009
Press the up arrow, down arrow and economy button all at the same time and hold them down for three seconds. A bunch of lights will light up under the numbers. Write them down and look in your operation manual for a diagnostic chart. I suspect a dirty filter has burnt out a overheat safety switch. I may have one if you need one. email@example.com.
Posted on Mar 03, 2010
Bit concerned on giving advice on this one other than take it to GOOD servicemen and get it checked out properly. Cleaninbg the filters is Ok, the large one slides out to the top, the smaller one unclips, push in the two tags (closest to the centre of the heater) and it sort of hinges off from the other side of the filter. Give these a good clean. It might just smell because you have disturbed smaller dust particles that are being burnt. Mums know best, if you are worried, get it looked at and don't use it!
Posted on Jul 21, 2010
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