Exhaust Fan (outdoor blower?) shuts off after 1 minute, and motor feels hot
Hi, I hope someone can help, because this Goodman GPG 12360901A unit is only about 2 years old.
When I turn on the A/C, the inside blower will come on, and blow cold air for about 1 minute, and then the air turns warm. The blower still stays on, and so does the compressor, but the outdoor blower stops. Today, when I felt it ....it was extremely hot, even after hardly doing any work. The fan itself will spin freely when I push it...if that helps? Could my motor have blown already? I bought this unit brand new about 2 years ago.
Thanks much...in advance for any insight / advice you can give! Sincerely, Ed
Re: Exhaust Fan (outdoor blower?) shuts off after 1...
Sounds like your condenser fan (the outside blower) has gone bad or the capacitor (small silver box looking thing attached to the motor). the way to test the cap. is with a digital meter that can test for micro farads. the reason it gets hot is you have electricity going to the motor. normally it would transition that energy to motion energy. however since the motor is not turning that energy has to go some where, so it turns into heat energy. your best bet is to replace your condenser fan and capacitor. that is if your comfortable with that type of repair. otherwise call someone out to repair and tell them what your make and model is so they can bring the parts with them and save you some money. hope that helps
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If the fan motor on the outside unit is still coming on and the blower motor on the inside unit is still working properly, and your return air is not restricted (sometimes just a dirty filter), then your problem would be the charge in the unit. If over or under charged, the unit will freeze up, not just outside, but inside too. Have someone charge the unit with refrigerant and you should be okay. If any of the other problems exist, it will have to be looked into more. Hope this points you in the right direction. Good Luck!
If you are talking about the outdoor unit, you need to remove the cover where the power goes in to the unit. The capacitor will be located in there along with the contactor and control board. There may be 2 seperate capacitors, 1 for the fan and 1 for the compressor but usually it's just 1 with 3 terminals on top. Com, Herm, & Fan. If you have the 3 terminal type then it is important to get the wires back in the right spot. Hope this helps.
If this is a standard split system, the indoor blower should not shut off after the system starts, it should only shut down after the room has reached the set temperature.
Since the blower seems to be starting, when the outdoor unit does, "correct?", the control system seems to be working properly, so the next step is to look at the motor itself, it sounds like it is getting hot and shutting off. This can be verified by waiting for it to shut off, turn off the power and then carefully feel the motor. If it is very hot, you have a bad motor, or a loose wire to the motor, also a bad capacitor can cause problems also, but in my experience, if it is a bad capacitor, the motor will not start at all.
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If you can get me some more information, I can help you further.
Have a great day.
Hi, I assume this is a split system, with the indoor and outdoor unit. If you are talking about the fan on the outdoor unit, this is the condenser fan motor. It is exposed to the heat of the ambient temp. and removing the heat from indoors. If you have a heat pump, this motor runs year around and gets a lot of use. I have seen the 5mfd run capacitor fail which could cause this motor not to start, but more than likely the condenser fan motor has burned out.If it is the outdoor unit you are talking about, can you hear the compressor come on when you start it? You may stand by the unit and have someone turn the t-stat to cool and see if you hear it come on. It will shut off after awhile due to high head pressure. But, if nothing happens, you may not be getting power from the breaker being tripped or a blown fuse at the disconnect box at the unit.Check these before calling out a tech.If you are talking about the indoor fan, make sure the panels are on good if its a gas unit as there is a door switch that is closed and if the panel is loose, it will stop the fan from coming on. The indoor blower motor may also be burned out. It shouldn't take more then an hour at the most to find out what is causing this problem. Could be a fan relay. I would recommend calling a qualified a/c Co. to come out and check this. Wish I was there and could be of more help. Good Luck, Sincerely, Shastalaker7
your looking at $175-$225 for just the single phase motor depending where you purchase, I just replaced mine(identical unit) due to screaming dry bearings, if you replace it your self make sure to keep new wires tight along side of unit or fan will cut them if loose and its a fan- 5mfd/25mfd compressor@440volt cap
If the outside unit is running and the inside unit is not, probably a problem with the fan motor itself or its capacitor. If you have to have someone repair or replace the fan $200-$250 with parts, a capacitor for a service call and part $100 or so. Check it yourself first to see if there is anything obvious broken wire, hot connection, etc if you feel safe doing that. Turn the power off first. There is also a chance the thermostat could be the problem. Have you tried running the fan on the thermostat "fan on" setting?
is your indoor fan motor noisy? Right after it shuts off feel if it is extremely warm (carefull, may burn you if you leave your hand on too long). If it excessively hot, the motor is tripping on overloads located in the motor itself, probably the bearings are dragging. Check to see if it spins freely when spun by hand. If not replace motor. Make sure power is off while putting your hands in or around the fan
turn off power to indoor unit feel the fan motor if hot and turns rough bad if hot and turns smoth then most likley capacitor if cold check 5 amp fuse on the board jump red stat wire to green if no fan relay bad if fan stat bad hope this helps