Question about Ruud Heating & Cooling
LOOK FOR A NEEDLE LOOKING PROBE ON LEFT SIDE OF BURNER ASSEMBLY. BE SURE ITS CLEN . YOU CAN CLEAN WITH A LITTLE STEEL WOOL OR SAND CLOTH. BE SURE WIRES ARE SNUG TO CONTROL BOARD. BE SURE ALL LOW VOLTAGE CONNECTIONS ARE SNUG AND A GOOD GROUND. IF IT STILL SHUTS DOWN THE BOARD IS PROBABLY BAD. I THINK ROBERTSAHAW MAKES A GENERIC REPLACEMENT FOR THESE.
Posted on Oct 27, 2008
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Posted on Jan 02, 2017
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Oct 24, 2011 | Ruud UBHC Air Conditioner
Dec 02, 2010 | Ruud UAMB Air Conditioner
1. Thermostat calls for heat. 2. Draft inducer motor starts. 3. Pressure switch attached by a small plastic or rubber tube senses the negative pressure produced by the draft inducer and closes. 4. Draft inducer runs for 30 seconds to a minute before you hear a gas hissing sound. The ignitor did not glow, the flame sensor (a small metal probe about 1/8" in diameter, with a white porcelain base) does not sense the flame, so after 8 to 10 seconds the hissing sounds stops with no ignition of gas to heat your home. Your furnace shuts down and goes into a lock out condition until you turn your power switch back off and on again. Then the sequence starts all over again with no ignition of the gas. Solution: You probably need to purchase and install a new ignitor. I would suggest that you inspect your ignitor closely for cracks. Make sure you do not touch the ignitor with your bare hands. If you do not visually see a crack, then you could have a furnace control board problem or a limit, rollout switch problem. The furnace's control board might not be supplying the voltage to the ignitor. If your furnace lights and the gas stays on for 8 to 10 seconds, then shuts right back off, then you need to clean your flame sensor with light sand paper or steel wool. You might need a new flame sensor, but most of the time they can be cleaned an will work well after cleaning.
Nov 26, 2010 | Ruud UBHC Air Conditioner
Nov 05, 2010 | Heating & Cooling
Jan 05, 2010 | Ruud UBHC Air Conditioner
Dec 21, 2009 | Heating & Cooling
Dec 14, 2008 | Ruud Heating & Cooling
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