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Ruud UBHC Air Conditioner - Page 6 Questions & Answers
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.
Thanks
dan
Ruud heater will not light consistently
Your furnace is going into a lockout condition, cycling the power resets the circuit board and it starts over. I will need to know approximate age and model of your furnace, it sounds like you have need to clean the flame sensor rod. However i need to know what i am working with.
No power
What is the make and model of your unit?
Transformer keeps blowing on the
Replace the transformer with a 75va resettable transformer.
Check all wiring for a loose connection at the unit and the disconnect and the breaker panel.
Double check ground wires.
Check the low voltage side for a back feed short from a faulty component.
Could be caused from a bad thermostat wire.
Do a continuity reading on stat wires to look for a short.
Do an amp draw reading on the unit to determine an increase in amperage.
Help on my ac unit
no special tricks alyson.....prolly just a breaker or fuse.check the main panel for a turned off breaker and at the unit there's a disconnect box that may have a bad fuse.
Replacing a thermostat on a
Check the setup for correct settings. Refer to the install guide here.http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CFIQFjAA&url=http%3A%2F%2Fjacksonsystems.com%2Fimages%2Ffile.php%3Ffile_id%3D1592&ei=qy--UOWbNbCB0QGzqYDoAg&usg=AFQjCNFHka0SMf_L0OJNVHHW3spIAZEk4A&sig2=Ft9-NZvXyhZjybW7ELf1hw&cad=rjt
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