Question about Goodman GPH1324H21A WallWindow Air Conditioner

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Goodman pgb024075-1 no power to board power coming in to contactor bough new transformer and check fuze good still no power

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

  • 143 Answers

SOURCE: goodman cetral air system brand new contactor hums but it will not switch on

That's what contactors are supposed to do, but they are supposed to turn the air conditioner on because the thermostat activates them, not your finger. Be very careful about sticking your finger in there.

Posted on Jul 22, 2008

  • 1 Answer

SOURCE: circuit board fuse keeps poping

Traced wires and found the wires to the humidifer were the cuprits. I beleive the solenoid may be no good. After disconnecting the wires to the humidifier, A/C and Heat are working fine now .

Posted on May 29, 2009

  • 59 Answers

SOURCE: I have a Goodman GMP075-3. Worked OK on A/C.

I come across this one a lot. You need to switch the wires at power cord.

  1. Pull power out
  2. follow the cord* back to the furnace
  3. Open the front door
  4. There should be a small metal box where the cord leads to inside the furnace
  5. Open that up
  6. Take the electrical tape off
  7. Pay attention to which wire goes where
  8. Switch the two wires around
If you still got problems ill walk you through it over the phone

Posted on Oct 12, 2009

  • 9 Answers

SOURCE: Goodman GMPN060-3 Furnace will not stay lit.has

possible faulty gas valve if all fail safes stay closed. make sure flue is clear for pressure switch to stay closed.

Posted on Dec 16, 2009

SOURCE: My Goodman AC wont start I check the thermostat ,

Remove ther thermostat wires at control board, put a jumper wire across R and G, if fan comes on after you install blower door cover and restore power, the problem is either the thermostat or the wiring.

If you dont have 24 v between r and c then either the
transformer is bad or there is a little 3amp car fuse in the circuit board that could be blown.

Posted on Jun 12, 2010

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1 Answer

The contactor on my Goodman air conditioner (Model CKL24-1K) chatters when the thermostat is OFF, but It makes fine when the thermostat is ON. The contactor and capacitor are new. Turning off the power to...

It is receiving a low voltage signal from somewhere else. Its powered by 24volts. And its receiving something less than 24volts (like 16-20v) but its enough to build up enough to want to pull in the contactor. I've seen it before but can't remember what the cause was. Could be miswired somewhere or a fault at the t-stat. If it has a circuit board they can get a gecko or bug behind it and the metal cabinet that can cause a "short" that will allow voltage to flow through and power the circuit that feeds the contactor.

May 31, 2015 | Goodman Heating & Cooling

1 Answer

Why won't the compressor run

This can be for a variety of reasons. It ranges from something as simple as no supply power (blown fuse, open breaker, faulty contactor, or run capacitor) or it could be more serious as a grounded or open winding in the compressor motor. My suggestion to any novice and or person without proper tools and knowledge; First check the low voltage (24 volt control voltage) by turning on the "Fan on" switch located on the thermostat to on, not "Auto" The blower fan should come on, indicating there's 120 volt and 24 volt available. Fan doesn't come on is an indication that there's no control power. The next step would be to check for power at the transformer and fuse located in the air handler. There should be 240 volts feeding the transformer, and 24 volts coming out. The control voltage is needed to operate the thermostat (which is the switch that sends the 24 volt signal to the compressor contactor to turn the compressor on/off. This 24 volt also powers other relays and switches in the system. knowing that 24 volt is available also tells you that the problem is most likely in the condensing unit (outside, where the compressor is located). At the condensing unit you should check for 240 volt supply power. Upon finding 240 volt supply power the question now becomes whether or not the thermostat is calling for anything (cool or heat if the unit is a heat pump). There should be 24-30 volt available at the small gauge wires feeding the contactor coil. While having the thermostat set at a temperature lower than the current room temperature (in the cooling mode) the thermostat should send a 24 volt signal to close the compressor contactor and turn it on. The non-metallic end of a screwdriver can be used to depress the moveable part of the contactor. After pushing in the contactor, should the compressor start then you may only need a new contactor. It may just hum because of a faulty run capacitor or grounded or shorted internal motor windings (grounded or shorted windings are usually indicated by tripped circuit breaker and/or blown fuse). It's a good idea to have a good multi-meter and knowledge of use before attempting any repairs or diagnosis on your own. I recommend some basic knowledge of electricity before even thinking about attempting any repairs or diagnosis.

May 08, 2014 | Goodman Manufacturing Goodman GSC130421...

1 Answer

Goodman package unit pgb036075-1 issues. No light on control board

there is a fuse on the board which is very hard to see it is a three amp automotive style fuse most people cant find it it is purple in color look very closely using a flashlight

Aug 04, 2012 | Goodman GPC1342H21A Air Conditioner

1 Answer

Have an old rheem heat pump split unit. Replaced condenser fan motor and contactor. Compressor and fan both come on when you manually trip contactor, but will not come on from thermostat. Was pretty...

Remove the thermostat face and place a jumper between R and Y. The outside unit should come on. If it doesn't, check for 24vac between R and C or R and Y. If you don't have it then you need to check the transformer. Check for 24vac on the transformer secondary and 120vac on the transformer primary. If you don't have power on the primary, check for a blown fuse or tripped breaker. If you do have power on the primary but nothing on the secondary, you need a new transformer. If the unit does come then the thermostat is the problem.
If the transformer is good and the unit doesn't start when you install the jumper then you have a problem in the outside unit. It could be the contactor coil which you can check with an ohmmeter. It could also be a low or high pressure switch or and overload all of which you can also check with an ohmmeter. Let me know what you find.

Nov 07, 2010 | Heating & Cooling

1 Answer


That is not a good sign, Disconnect the fan and secure the wires, if
it still trips the breaker the compressor is grounded

Jul 10, 2010 | Goodman CLQ36AR49 Air Conditioner

1 Answer

My goodman air unit wont turn on but has power to the relay and can be manually overridden at the relay but doesnt sound like the air handler comes on. I changed the batteries in the thermostat and even...

Check the transformer. There could be a chance that the transformer is out. If you mean you can manually turn on the unit by pushing in the contactor switch in then theres your problem The thermostat engages the low voltage side of the transformer sending 24 volts to the contactor switch engaging the system if this transformer is out it will not engage the contactor to turn on the system.. Also on the air handler at the door on the bottom of the airhandler there should be a small circle of clear plastic by looking inside of this circle you should see a green led . If you see a red led it will be flashing count the flashes as they are emmited and once you see the pattern they have then remove the bottom door of the airhandler and on the bnack of this door is a code that corresponds with the flashes i.e. 3 red flashes, pause, three red flashes. The code will tell you what is occuring within the system. However, If your system is not a newer model it may not have the leds as I have described. If that is the case the first part of this solution may correct the problem.

Good Luck on your repair


Aug 31, 2009 | Goodman CLT24AER24 Air Conditioner

3 Answers

I have a goodman furnace and ac unit the fan and heat work but every time i turn the ac on it blows the low voltage fuse ive replaced all low voltage wires to outside unit and thermostat i also replaced...

Look at the contactor on the condensing unit, remove the low voltage wires to the contactor and turn on the system. If the low voltage fuse doesn't blow, replace the contactor.

Jun 24, 2009 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Compressor will not start, GSC14-14 SEER

Control wires come from the thermostat to power the contactor coil. At the thermostat the red wire must power (switch) the yellow wire to make the contactor pull in to run the outside unit, Check power with a ac volt meter between the red wire and the yellow wire, with the heat/cool switch turned to off. If you do not have 24 volts ac, your wire may have an open from the thermostat to the outside unit, your transformer may be bad and not supplying power, or your contactor coil may be open

Jun 23, 2009 | Goodman CKL30AR30 Air Conditioner

2 Answers

LED light blinking constantly

short in a/c wires on contactor is bad, disconnect wires at a/c and power up if no pop fuse it is the contactor. if still pops replace wire.

Apr 24, 2009 | Goodman GDS80703ANA Open Flame Mid-Size...

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Goodman 2.5 ton heat pump

Loss of 24 volt power either from thermostat or transformer. Check for voltage across low voltage side of contactor (the small wires).

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