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I have a Ruud ugda 075c-er .. the pilot light is on and the blower activates however the pilot light does not engage the flame.

The pilot light is on and the thermostat will turn on the blower but the flame will not turn on

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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relaga58
  • 158 Answers

SOURCE: There is no power to the unit even when plugged in.

check circuit breaker if on check fuse inside unit if tripping or busting again it has major problem

Posted on May 13, 2009

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  • 89 Answers

SOURCE: Ruud ugda-10ec-er wiring diagram

Go to www.mediafire.com/?lzqjzjbonod I hope this comes to you as a link you can click on, there you can download a wiring diagram. I just did.

Posted on Nov 03, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: rudd model #UGDA-075C-ER furnance shuts off before

Make sure that the air filter is clean and there are no restrictions in the duct system ie. carpet over register, dog lays on vent etc... If that looks OK, check your thermostat to see if it is still calling (sending a signal) to the furnace by inspecting the circuit board. I think this model of furnace will blink rapidly if there is a call for heat. You can confirm what your furnace does by looking at the board when there is a starting of a heat cycle. Keep in mind that you will need to look thru the small viewing window and not remove the door panel that has the door safety switch. The door switch de=energizes the system. The board will also blink a certain number of times if it experiences an error. You can find the diagnostic chart on the wiring diagram pasted on one of the door panels. It may give you a starting point where to look if you have an error code blinking.

Posted on Feb 25, 2010

Therinnaiguy
  • 1420 Answers

SOURCE: I HAVE A RUUD SILHOUETTE GAS FURNANCE. The pilot

Short answer, yes. However you could have another problem. Replace the thermocouple that keeps the pilot lit. You can get a universal one at any good hardware or farm store. Make sure the new thermocouple is well into the pilot flame. If the blower knocks out the pilot flame again, I would be suspecting cross contamination from a crack in the heat exchanger. As the exchanger heats up, it may be causing a small crack to open and allows the blower to extinguish the flame. It may also be causing a leak of Carbon Monoxide into the heated room air. I would get it checked out very quickly.

Posted on Mar 07, 2010

  • 127 Answers

SOURCE: ruud model ugda-150a-ar getting pilot to light

the ignition system may have a broken igniter or plugged gas orifice if the ignitor is working.

Posted on Oct 25, 2011

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I HAVE A RUUD SILHOUETTE GAS FURNANCE. The pilot light keeps blowing out. When I light the pilot flame it seems to work perfectly at ignition. As the Manual instructs, I hold down the ignition switch for...


Short answer, yes. However you could have another problem. Replace the thermocouple that keeps the pilot lit. You can get a universal one at any good hardware or farm store. Make sure the new thermocouple is well into the pilot flame. If the blower knocks out the pilot flame again, I would be suspecting cross contamination from a crack in the heat exchanger. As the exchanger heats up, it may be causing a small crack to open and allows the blower to extinguish the flame. It may also be causing a leak of Carbon Monoxide into the heated room air. I would get it checked out very quickly.

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Rudd model #UGDA-075C-ER furnance shuts off before reaching desired temp setting set it on 73 it will cut off at 66 etc.


Make sure that the air filter is clean and there are no restrictions in the duct system ie. carpet over register, dog lays on vent etc... If that looks OK, check your thermostat to see if it is still calling (sending a signal) to the furnace by inspecting the circuit board. I think this model of furnace will blink rapidly if there is a call for heat. You can confirm what your furnace does by looking at the board when there is a starting of a heat cycle. Keep in mind that you will need to look thru the small viewing window and not remove the door panel that has the door safety switch. The door switch de=energizes the system. The board will also blink a certain number of times if it experiences an error. You can find the diagnostic chart on the wiring diagram pasted on one of the door panels. It may give you a starting point where to look if you have an error code blinking.

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Ruud ugda-10ec-er wiring diagram


Go to www.mediafire.com/?lzqjzjbonod I hope this comes to you as a link you can click on, there you can download a wiring diagram. I just did.

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