Question about Ruud UBHC Air Conditioner
Trying to get heat. it fires up but then in 10-15 minutes shuts off and will not produce heat.
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Posted on Jan 02, 2017
SOURCE: Ruud Achiever 90 Plus wont start
4 blinks is "pressure switch closed" there are 2 in the system according to the wiring diagram one for the vent system and one for the drain system ... I just wiggled them and heard one "click" the fault light quit blinking and when I pushed the safety switch back in the furnace fired right up. That being said is there a good website for learning how to maintain your own furnace? I'll call a pro if I have to, but shoot I can fix a jet engine... this shouldn't be much worse.
Posted on Mar 10, 2008
I have 2 Ruud Achiever 90 Plus UGRK's. Units were install in 2004. One unit flames' out after ignition just prior to the fan kicking in. Confirmed gas value is functional by switching valves. Check wire connections. Could it be the remote sensor or another 24 volt sensor at the IFC that locks out the gas valve?
Posted on Apr 10, 2008
does the furnace ignite?? your system may not have been lighting and has gone into ignition lockout count the codes of the led lights then remove panel led diagnostic codes are listed there.
if led codes indicate no problem verify capacitor is good and that mtr is getting 115 volts.
Posted on Nov 22, 2008
Check the data information on the unit there should be a troubleshooting guide that tells you what the two lights blinking once means. hope this helps.good luck. normally found with schematic
Posted on Feb 12, 2009
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