Question about Goodman GDS80703ANA Open Flame Mid-Size Heater
Hi, this will be a very easy fix for you if you try and follow what I am telling you to to. I will start and tell you what this is and does. This switch is a single pole one contact safety switch for the heater. It is normally open when heater is off, and supposed to close for heater to start. First, go to the indoor unit and remove the panel, you may or should have a flashing led and code chart that told you this. Take the panel off there to expose all parts and switches. If you take a panel off and all goes dead( no led light anymore ) then you have a switch on the perimeter where the panel sets that kills power when panel is removed for safety. Find it and use a good strong piece of tape to tape it down so you can work on it. It may not have one. Anyway, you will have what is called the inducer motor there in front of you, has a small fan on it. When you set the thermostat to call for heat this is the first thing that will be energized in the sequence of operation to remove old gases and to pressure up the heater box. You will see a clear poly type 3/8" tube coming from this motor and it will go to this pressure switch. These switch's can be different looking, but most are round the size of a large silver dollar with a barb on it and this tube attached to it. This is what the motor sends air to and close this single contact to tell the system that the motor is working and is safe to go to its next step in the start-up process. They sometimes will stick or sometimes fail. So, if the motor is running I am sure it will be on, turn the unit back off. Now, go back and remove the tubing from the part of the motor that goes directly to the switch, just that end. Now, just blow through it a little, puff, puff, puff, and you should hear it click each time. This should un -stick it. Inhale and exhale through this tube so it works the contact good. Now, put it back on and restart the heater. If the led light or code is not clear, turn off the breaker and let it set for a few minutes and turn back on. This will reset your circuit board. Now turn on the stat. Watch it go through its sequence of operation, motor, close switch, glow plug, gas valve will click and energize and burners will light and your off! Be sure to remove any tape if you had that switch. Now, if the motor was not running to begin with, we will need to take a different route on this. Very easy and good furnace. Please don't forget to rate me and leave a few words if you like as this will be very kind of you. Please keep me posted on the outcome and I will check in on you. Good Luck, but you can do this on your own I am certain of it!
A/C, & Heating Contractor
Posted on Aug 30, 2010
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Posted on Jan 02, 2017
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