Question about Goodman Manufacturing Goodman ARUF48D14 Air Conditioner 4 Ton Multi Position 3 Speed Standard Air Handler

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What cause 3 amp fuse to keep blowing when power in turn on goodman air handler

Install heat strip when turn on breaker it cause the 3 amp fuse to blow

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The 3 amp fuse is in the red low voltage (24 volt) thermostat wire
and only gets power when the thermostat is set to turn on heat or a/c It should be connected to the red wire from the thermostat

Posted on Nov 17, 2014

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Posted on Jan 02, 2017

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SOURCE: Fan will not shut off

if you bought the t-stat at menards or any box store change it with one from a contractor they are known for this problem

Posted on Dec 13, 2012

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SOURCE: Where is the air - handler on a goodman GMP075-3

In the remote controler or on the pad controller

Posted on Jun 08, 2014

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SOURCE: goodman 3 ton 13 seer. thermostat says "heat on"

Yes switch is set to summer setting

Posted on Jul 26, 2014

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What cause 3 amp fuse to keep blowing when power in turn on goodman 16 sier air handler


Hello...
Apparently, there is an overload or shorted wires. Elequipo Disconnect electricity and check the cables are in good condition.

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Brand new furnace wont start its a aruf 14 electric air handler with a 10 amp heater coil


the 3 amp fuse protects low voltage side of transformer. if it's blowing on a call for cooling wire pair going to outside unit bad or contactor in outside unit.

Nov 18, 2013 | Goodman Heating & Cooling

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Had 16 xi Trane heat pump installed 3 years ago. It ran well for the first couple of years. It began to stop heating and would blow cold air only. Have tried both aux heat and reg. heat to run and neither...


That's a complicated system that needs a qualified technician to service it. Lots of people can install them and they run fine, for a few years. Your indoor unit, operating on 2 heat elements, will feel like its blowing cold air even though its heating, just not so well. And not like you are accustomed to. Each element (5kw)=22.7amps, on average. So 3 elements operating should trip a breaker. Its probably been operating on 2 heat element plus the heat pump. And now you have trouble with the heat pump. If you can't TRUST the guys working on your equipment, try someone else. A second opinion. Normally a 3 or 4 ton unit will have 15kw heat installed, heatpump or not. 5 ton, 20kw. If yours is a 3-4ton, cooling, the 100amp(or normally two 60 amp) breaker should have been installed upon equipment change out. If yours is blowing cold all the time, something is wrong with your heatpump. The electric heat inside operates only when the heatpump can't keep up(real cold outside), the heatpump is in defrost(then it's actually in cooling mode), or if you have the tstat in aux/em. heat. Try a local trane dealer? Of a technician with 15-20 yrs under their belt. A trane dealer should have trane tech support also. BIG HELP!!!

Mar 01, 2017 | Haier Energy Star ESA3183 Air Conditioner

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Fan will not shut off


if you bought the t-stat at menards or any box store change it with one from a contractor they are known for this problem

Dec 13, 2012 | Goodman Manufacturing Goodman ARUF182416...

1 Answer

OD model#, CKL36- 1F and the indoor model#, AR36-1. The indoor does not have the electric heat strip in it but has the place for it. I want to convert it to a heat pump. Is it a 3 ton system? How many KW...


You can use the existing air handler for a heat pump condenser unit up to 3 tons. The line set, evap coil are fine for a heat pump.
The electric heat strip issue can be another problem, you can put several different size strips in depending on what may be needed where you live, the power requirements will differ with each heat strip, for example a 5KW (5000 watt) heat strip requires a 2 pole 30 amp circuit for heat strip and air handler combination.

Aug 22, 2011 | Goodman CKL36AR36 Air Conditioner

1 Answer

Goodman unit blows 45 amp fuses only in heat mode, worked fine all summer on a/c. It works well for some time then blows them again.


Check the breakers on the unit How many KW--electric heat? Check to see if you have the right wires wired up to the correct breaker cause some units have 40---and ---60 ---amps breakers and your thickest wire could be wired to the 40-amp breakers,, (some 5 KW pullls 19-23 amps respectably some breakers have 7.5 KW heat stips and pulls more and if the wire size can,t cary the amps, then all you have to do is reduce a heat strip.

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Compatability of a R22 air handler and a R410a heat pump


1. The units should match up without a problem.
2. You will need a 40 or 50 amp breaker for the A/H and 5 KW heat strip. You will probably need a 20 or 25 Amp for the condensing unit. I would check the FLA (full load amps) rating on both units, total them and install a breaker with no more than 20% more rating than the total. You can install a small box at the A/H with a breaker for the A/H and one for the condensing unit.

Nov 15, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

My goodman air handle is run on e-heat only and will not turn off ,also the outside unit will not turn on , I put a new themostat this didn't help I have a goodman heatpump


Heat-Pumps can be temper mental. Sounds to me like your air handler is running on emergency heat, due to a problem with the condensing unit.You have heat strips in the air handler in case the outdoor temp. gets to cold and the heat pump cant keep you're home warm.Also, if you loose a compressor, it will go into emergency heat. If you have lost the compressor for one reason or another, lets say a locked rotor, the compressor would draw L.R.A. (Locked rotor amps) and cause the circuit breaker to trip. Check this.As for the air handler running all the time, you said you replaced the stat? When you removed the control wiring from the stat, did the fan shut off? I wish I were on site to help you, but all I can do is offer you some advice. With the power off to the air handler, go to the stat and remove the red and green wires. Turn power back on and see if it stops running. If it stops, then it sounds like the new stat is also faulty? If it continues to run, check the wiring in the air handler to make sure the red and green are not touching somewhere, and also check the control wiring on the outdoor unit for the same problem. Do you have any dogs that may have chewed into wiring? If so, check all outdoor t-stat wiring. There are so many things it could be and I hope very much I have helped you with solving this online, which can be difficult. You may also have a faulty defrost board. Try to do what I have asked of you.
Good Luck, Sincerely, shastalaker7

Oct 16, 2009 | Goodman GMS90703BXA Heater

2 Answers

Fuse blowing on tappan air handler


most of the time its out by the ac unit . you have a shorting thermostat wire .. the outside unit has a large wire thats 240v and a small one that 24v thats the one you want to look at . look for bare wires , look where it goes into the wall , thats the common place . "critters" love to chew thermostat wire . so take a look . .....please rate this answer , i need votes . thanks

Jan 24, 2009 | Heating & Cooling

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