Question about Air Conditioners
Cleaning the flame sensor has nothing to do with blower motor not turning on. You either one of the following problems 1 bad cap for motor. 2 bad motor. 3 bad limit on blower housing or 4 a bad board. You will need a volt meter to check for these problems. Try seeing if the fans runs with unit of and fan switch turned to on. Also does motor hummmm. Is motor cage free ( can check by manually turning) If motor doesnt humm and the cage is free wheeling then you will need to find out if you have power going to the motor. If you find out that you do then you will need to change blower motor. If you do not have power then you will need to check limit with continuity tester on volt meter. If that checks fine only 1 thing can be wrong and that is the board.
Posted on Feb 16, 2009
TAke your drain line loose at the coil.And blow thru it with air or turn the shop vac arond and use it to blow it out. The best way and I use this is a shop vac at end of the line if you can find it.
Posted on Jun 05, 2009
check capacitors, make sure the condensor coil is clean. sounds like the compressor is overheating. is the condensor fan motor still turning when it stops cooling. if not check low voltage wires to condensor, furnace and t-stat
Posted on Aug 20, 2009
Air conditioners remove moisture from the air like a dehumidifier does. With portable units it is captured in a removable container and when full will turn the unit off so it won't overflow onto the floor. There should be option for a hose to attach to the bucket which could be run to a drain so you won't have to keep emptying the bucket. Just remember the a/c unit needs to be higher than the drain.
Posted on Aug 21, 2009
On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure switch tells the module to continue, the electronic ignition will energize and send 120 volts to the igniter. The igniter will glow and you will be able to see it if viewed thru the small inspection port. Once the igniter gets hot enough, it sends a signal to the module opening up the gas valve (24 volts). Either a pilot will come on or the burner tube will ignite then spread the flame to all burners. Lastly a safety sensor will be looking for a certain temperature within a few seconds and the furnace will continue to operate and the room air blower will turn on in a minute or two.
What could go wrong? The unit will not run if there is no signal from the thermostat (bad thermostat or broken wire), the control module does not sense a signal from the thermostat (bad control), the inducer does not energize (bad motor), the pressure switch does not close (blocked vent piping, bad switch, plugged condensate hose), the igniter does not energize (bad control, bad igniter), the gas valve does not open or there is no gas (bad gas valve, broken wire, no gas), the pilot does not light (dirty pilot), the burner does not light (bad burner, plugged orifice, not enough combustion air), the flame does not spread to each burner (bad flame spreader, dirty flame spreader, more bad burners), the flame safety sensor does not detect flame (dirty or bad flame spreader, bad flame sensor, broken wire, bad control), or the room air blower does not energize (bad fan motor, bad control).
Posted on Jan 08, 2010
Testimonial: "Your initial response was very insightful but I didn't give it 4 since I need to know how to check the safety switch out. Thanks for your followup."
Tips for a great answer:
Jan 09, 2014 | Air Conditioners
Jul 05, 2008 | Air Conditioners
Feb 12, 2011 | Air Conditioners
Feb 09, 2011 | Air Conditioners
Jan 28, 2011 | Air Conditioners
Dec 08, 2010 | Ruud Air Conditioners
The heat tape will keep you from freezing pipes in the future.
Hope this helps..............
Dec 07, 2010 | Air Conditioners
Dec 05, 2010 | Air Conditioners
Jan 16, 2009 | Air Conditioners
Jan 14, 2008 | LG LSC121PMA Split System Air Conditioner
47 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: