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My Goodman GMS series runs but will shut off after two degrees warmer in house. If you turn the thermostat anymore than two degrees warmer than current temp cycles once and then locks out.

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  • 30 Answers

Please check gaz pump in the compressor unit...you´ll find it very hot and most of techs tell you to change it for a new one...don´t...get an tech able to refill pump oil in the compressor unit""
It will go to renewed condition almost for free

Posted on Nov 15, 2014

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6ya6ya
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Posted on Jan 02, 2017

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  • 61 Answers

SOURCE: thermostat issue with comfort zone II.

Is this an electric or gass furnace - Eather of these can can have this problem its most recomendable that you call a seviceman .
in the case of electric furnace you may requier a new heat sequencer. And in the case of gass you may requier a new relay.

Posted on Feb 19, 2009

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SOURCE: goodman a/c blower fan will not shut off

Pull the stat off the wall, if the unit fan continues to run then your fan relay is bad or receiving 24vac from another source.

Posted on Apr 07, 2009

ronaldo_ross
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SOURCE: Goodman condenser model GSC130361DF. compressor

That is normal too me. Just set it lower for more comfort.

Posted on Jun 28, 2009

  • 1 Answer

SOURCE: Air conditioner constantly running, not cooling house

Ours was worse than yours. It was not frozen up, but it did need freon. The tech told us that the compressor coil (the unit in the attic) was leaking freon and that the unit would have to be replaced within a year, but adding freon dropped the temperature inside from the mid-80s to the mid-70s (on 100 degree days). It might go lower, but we don't set the thermostats below 76. We paid $80 for the service call plus another $197 for 3 lbs of freon (for our 4-ton unit). Total cost: $274. The quote to replace the system with a new 14 SEER unit is $7,000 -- but this will get us through the summer. Oh, be sure to replace your filters monthly and keep your condensor fins clean. Spray them down with a hose (even while the unit is running), make sure there are no leaves or other trash blocking them, and make sure you have 2 feet of clearance around the condensor. Putting plants or other objects right up against it will impede its operation. Good luck!

Posted on Jul 04, 2009

  • 1 Answer

SOURCE: Carrier weathermaker sx 58 furnace

I have serviced these furnaces for 20 years and I can tell you most of these models did not have diagnostic lite on them. (although some did, especially if the control board has been replaced) The problem is most likely a bad 3 wire pilot. This will cause exactly what you describe. 2 things to consider though. 1, If you were to replace the pilot don't get a cheaper knockoff. In my experience these do not last long at all. Get the right one from a carrier dealer. It will cost more but be much more reliable. 2 What is the condition of the secondary heat exchanger? Most if not all of the sx series had issues with the secondary heat exchangers rotting out and leaking. If the furnace is out of warranty you would be much better replacing the furnace as the cost of replacing the secondary heat exchanger will probably be almost the same as a new furnace. ( those babies are EXPENSIVE!)

Posted on May 01, 2010

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1 Answer

WHY DOES MY FURNACE SHUT OFF BEFORE REACHING TEMP


Hi Demetrio
Furnaces turn on and off based on what they're told by your thermostat. The thermostat, in turn, will control the furnace based on:
  1. The temperature AT the thermostat.
  2. What the internal heat sensor thinks the temperature of the air is.
So, if your idea of 68 degrees is what the thermostat thinks is 71 degrees (thermostat reads three degrees high), then when the air by the thermostat gets to about 65 degrees (by your account), it'll think it's 68 degrees and shut the furnace off.

Also, if the thermostat is, say, near a source of local heat, like a lamp, a big piece of electronics, a fireplace, or that place that you habitually set down your coffee, then the air right next to the thermostat may be warmer than the rest of the room, and fool it into thinking it's at it's target.

The sensor is usually inside the housing for the thermostat. If it hasn't been dusted in a while, then it can be hard for air to get inside to affect the sensor, though this would generally cause it to lag on readouts and run the temperature higher than you wanted.

If you have a digital readout, and the system is saying , hey, target is 68, and the readout gets to 66 and the system cuts off the furnace.... my only other guess is that the unit may have features that are trying to prevent overshoot - i.e. by the time the temp at the thermostat actually gets to 68, most of the room is more like 73. That'd depend on your particular thermostat. At that point, you may want to call customer service with the manufacturer and tell them the issue. There may be ways to adjust the unit to get behavior closer to what you seek.

Good Luck!

DH

Jan 25, 2016 | Heating & Cooling

1 Answer

Loose thermostat wire outside at condensor. Will not turn off when inside unit is off. If you wiggle thermostat wire or tap on housing it cuts off. What next?


That does not sound like a thermostat wire but rather a sticking .contactor If your unit runs after the thermostat shuts off and you tap the unit and it shuts off the contactor is sticking and needs to be replaced.

Jul 30, 2012 | Goodman Heating & Cooling

1 Answer

We have a new a/c and the system has heat strips. For a/c. we have had the thermostat set on AC at 72degrees. Now that it is getting colder and may need some heat in the house, do we switch the...


If your thermostat has an emergency heat setting this means you have a heat pump system.
Yes you need to set the thermostat to heat for heating the house.
The emergency heat setting should never be used unless your outside unit is not functioning.
The emergency heat setting overides the heat pump (the outside unit will not be energized).
The emergency heat setting will run the auxillary heat (heat strips) only.
When the thermostat is set in the heat position the heat pump will run to heat your house.
If the heat pump can't keep up (extreme cold) then then the auxillary heat will kick in to augment the heat pump until it satisfies the thermostat settings. If your room temperature gets 2 degrees below your thermostat setpoint, your auxillary heat will kick on. Example, say you are going to be gone a couple of days and you turn your heat down to 60 degrees. When you return and it is 60 degrees in your house, you turn the thermostat up to 70 degrees. Since you are turning the temperature up 2 degrees or more (10 degrees in this case) from the 60 degree room temperature then the heat pump will come on and the auxillary heat strips. The unit will continue heating like this until the temperature in the house gets to 69 degrees and the heat strips will turn off and the heat pump will continue to run until the 70 degree setpoint is reached.
Hope this helps.
SeagullAC

Sep 15, 2011 | Heating & Cooling

1 Answer

Goodman Model CPLE24-1C - Unit will run and cool but after running for an hour in 100 degree plus heat - Compressor will not restart the next time the thermostat calls for restart


First off, the unit shouldn't be running continuously for an hour, that's a sign of the unit being undersized for the house. So, therefor the house is probably heating up so quickly that the compressor doesn't have time to equal out pressures to restart again, especially in the 100 degrees.

Jul 15, 2010 | Goodman CPLE24-1 Air Conditioner

1 Answer

Where is it located and are there two different types (180 dergree and 195 degree)


Normally the thermostat is located in a housing that the upper radiator hose connects to. Yes, there is 180 and 195 degree thermostat. One will make the motor not run quite as hot, 180 degree, for summer, the other to allow the motor to get a little warmer, for winter.

Jun 10, 2010 | Cars & Trucks

2 Answers

Goodman model gmt090-3b ignator is staying lit all the time cause them to burn out .have changed board same problem.


Hi cannot find the problem for this but go to www.goodmanmfg.com

you can e-mail and ask them from the web page hope this helps

it could be the presure switch playing up

Jan 23, 2010 | Goodman GMS90703BXA Heater

1 Answer

Not cooling house it stay on unless you turn the thermostat to 88 degrees


if the the outdoor unit is running and the larger of the two copper lines going into the unit from the house is not cold you are probably low on freon. if the line is iced up then you need to shut if off for 8 hrs and try again, make sure the filter is clean recheck the large copper tube again if its not cold your probably low on freon. if its not running at all outside check your breakers. there are a number of diffrent things that may be wrong and you probaly need a service company to look at it.

Mac

Sep 22, 2009 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Heat temperature issues with Goodman GMP 100-4 furnace


69,000 btuh is adequate for a 12-1400 square foot house.
Otherwise, your thermostat simply tells the furnace to cycle on/off.
If it calls for heat and does not come on, the problem is with switches and relays within the furnace.
Your setting the temp higher only causes the other parts to keep trying until they finally light and heat.
This is based on your information saying it will cycle on and blow cool air--not hot air.
You will have several temperature variations from floor to ceiling.
You probably have ceiling vents as well.
You need a technician to verify the rollout switches, fan relay, inducer fan etc. if the furnace is not firing everytime you call for heat.

Feb 21, 2009 | Goodman CPLE24-1 Air Conditioner

1 Answer

Goodman PHJK048 Heat Pump Package


ok...where to start.lol ....the thermostat is just a switch.It will tell the unit to run or not run.if you measure the temp with the heatpump running,the air is warmer than 68 but it feels cool to you because your body is 98.6.The unit will run more often and for longer periods when the temperature drops outside for a few reasons.First,your house has more of a load to heat,meaning you have more heat loss because of the difference in temperatures outside and inside.Second,your heat pump pulls heat from the outside air.The colder the air outside,the less btu's for it to pull.If you have anymore questions hillbuck29@aol.com Hope this helps,Dave

Nov 10, 2008 | Goodman PHKJ048-1 Air Conditioner

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