Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: Clunk noise Ruud Furnace
I had the same problem, the motor shaft and bearings were going bad. There was about 3/16" travel on the shaft that the blower attaches to. I replaced the motor myself and it runs nice and quiet. I have had that noise that you describe for over 8 years, but it got real noisy about a week ago. I talked to the maintance department about it where I work and they said the motor bearings were probably going bad. They were right, I took the motor out of the furnace and they took it to a parts store and got me a new one $270.00 for it. It is a special motor due to the fact that the frame mounts bolt directly onto the motor housing. Make sure if you do this job yourself that you take the motor to the parts store so that they can match it up. The guy at the store told our maintance man if it didn't require the bolt holes in the motor housing it would have been $100.00 cheaper.
Posted on Dec 24, 2008
SOURCE: ruud silhouette II furnace
Yes. On the board mounted inside the furnace box. There will be a series of posts that have numbers printed below each post. The heat motor uses low speed so it should be a sort of fat (larger than most of the other wires) red wire attached to one of the posts. If the wire is on 60, for example, then move it to the next lower post, like 30. unplug the cord on the furnace first. The wire SHOULD be red but may be blue, don't let the color guide you, look for the place where the wires go. If you find the place I'm talking about and the wire is black, then let me know, because its wired to high speed, which is wrong. I will help you.
Posted on Mar 13, 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
Your furnace probably has electronic ignition. Remove the panel that you have access to the burners, valve, electronic module. There should be a main power switch installed on the furnace. Turn it off. Set your t-stat on high. Turn on the power switch. After the unit purges (about 30 seconds) you should see an orange glow at the burner orifice. If not, Turn off the power & remove the heater and inspect it for cracks. (Or use an ohm meter) If open, replace it. Very common problem. If the igniter is of the sparking variety, you need to change the circuit board. Most of the furnaces, there is d diagnostic code chart and an LED on the board. Follow the chart.
Posted on Mar 15, 2009
disconnect the power. the flame rod is located at the end of the last burner. Gently remove it from its cradle and use a pencil eraser or a piece of scotch brite pad. If it doesnt allow the gas valve to stay opened after that, you should replace it
Posted on Dec 06, 2009
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