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Honeywell emm 3

Not working on auto - only on. I read a bunch of articles and learned it might be a poorly wrapped coil, fan speed controller, a misplaced wire (I found 2 that were open and i fixed) or most probably the emm3 control board just fried. Before I buy a new board is there any way to test the board with a volt meter?

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SOURCE: Lennox G26 gas heater Elite 90 Q2-50

need new ignition probe

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SOURCE: Frigidaire GLTF2940ES0

remove the bottom panel will find a tech sheet there with more specific instructions and the speed control bd is under the tub on the left hand side unplugged the unit before checking and the door lock is part of the com system turn the washer and see if the door lock light comes on try to open the door with the light on if you can that's where the problem is

Posted on Jan 16, 2008

  • 36 Answers

SOURCE: speed control switch

I saved this text I found when I was researching this a while ago.
Let us know how you do.

Wiring a three speed fan switch
--------------------------------------------------------------------------------
My daughter called me the other day and said Dad the ceiling fan in the kitchen is not working only the light works. I went over and removed the three screws that hold the light and pull chain for the fan down and found that the fan control switch had snapped open and all 4 wires had popped out. The snap clips on each side of the switch had broken off. I went down to Home Depot in the ceiling department and found the switch I was looking for. It said for a four wire ceiling fan. OK, know lets put it back together. First of all if you look at the new switch you should see four holds were the wires will be pushed into. The black wire in the fan is the hot or load wire, this wire is hot whenever the wall switch to the fan is turned on. Put this wire in the hole that is marked “L” this stands for load. Now with this switch in the off position the fan will not work until you pull the chain. The other three holes are marked #1, #2 and #3. On most fans #1 is usually high speed. # 2 medium and #3 low speed. What you now have to determine is what wires are high medium and low. The easiest way to do this is before you put any of the wires back into the new switch is to FIRST MAKE SURE NO POWER IS GOING TO THE FAN. Then simply take one of the colored wires at a time and twist it together with the black hot wire.
Turn the power back on to the fan and knot the fans speed. Do this with all three wires one at a time until you can determine which wire is high speed. Note the color of the wire and mark it down on paper.(Example; blue wire high speed.) Do this with the other two wires to determine there speed. Once you have the speed of each wire you can reassemble the new switch.
Black wire (Load) goes in hole marked L. High speed wire goes in hole marked # 1. Medium speed goes in hole marked #2 and low speed goes in hole # 3. MAKE SURE THE POWER TO THE FAN IS TURNED OFF WHILE YOU ASSEMBLE THE NEW SWITCH.
For those of you that have all these wired hooked up right and still the fan won't work I would then look for an open neutral wire. It should be a white wire. Check to see if all the wires are securly attached.
Good luck. One more word of advice. If you're not sure on what you are doing when it comes to electrical wiring then please do not attempt to do this or any other electrial work yourself. Call a licensed electrian. Any mistakes on your part could void your home owners insurance in case of a fire.

Posted on Aug 23, 2008

  • 11 Answers

SOURCE: Heater/ac switch speeds 1 and 2 don not work in 99 Silverado

you need a resister found under your air duct by the passenger floor under dash board auto zone sells these for about 25.00 you may as well buy cabin air filters while your at it . 1 of the screws will be a pain to install back into the duct work I left mine out didn,t make a difference . you might have to order it as they are a comman item oh you will need a vacuum to clean up mess from cabin air filters .this is not a hard job .

Posted on Feb 28, 2009

  • 234 Answers

SOURCE: AC Control Transformer keeps failing.

well it has blown the fuse on the transformer, then you have coil switch bad.It could be the coil on the contath in for cooling.But can check by taking the yellow wire a loose and see if the don't blow. The red wire is one side of the transformer and the com could be any color.But look at the red wire because it is the main wire that travel the voltage throuhg the unit.

Posted on Mar 26, 2009

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