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Dead motor ok to recap i have an indoor ac unit that will run for a little while then locks up i tried changing the run capacitor and the same thing happens is it just a dead motor ?? or is there anything else that would affect the motor like that

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Pop off bearing caps and oil or selicone spray

Posted on Jul 22, 2009

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F6 error code on Frigidaire split unit ac, model FSC12CM6J/FSE12CM6J. Solution says to check fuse? Where is this located?


It seems like the indoor fan is not running. Quite a few split systems have a fuse on the indoor board. It will require stripping off the outer cover of the indoor unit and removal of the electronic box cover. The indoor board is in there. The fuse may be replaceable or it may be a type that is soldered on which makes it virtually non replaceable. ( A new indoor board will be required) Make sure all power is turned off or disconnected before you do anything. Another possibility is the fan motor start capacitor has failed. Try this first before stripping the unit. When the unit is turned on and the outdoor unit has started, give the indoor fan barrel a flick with your finger to start it spinning, if it keeps spinning and the error doesn't appear, it would indicate that the fan motor start capacitor has failed. The capacitors on indoor units are normally small black square boxes with 2 terminals on it. These capacitors are mounted inside or close to where the indoor electronic box is. Again, make sure all power is disconnected or turned off at the meter box before you do any disassembly.

Apr 09, 2014 | Frigidaire Heating & Cooling

1 Answer

AC unit wont work, inside coils are hissing but outside unit not turning on.


If thisnis a central air conditioner and there is hissing at the indoor coil then the compressor is running, it is possible that both fans are not running. The indoor motor may not run if the control board is bad, capacitor is bad or the motor itself is bad. The outdoor fan may have a bad capacitor or the motor itself is bad

Jul 23, 2012 | Heating & Cooling

1 Answer

When switched on it runs for few minutes and then switch and displays error code E3


Hi Perhaps after you switch the AC on all that is running in the first few minutes is the indoor fan. Be aware that all AC's have a start delay on the compressor as a protection device for when the operator is having a little fiddle with the controls. The delay is usually 3 to 4 minutes and occurs every time the compressor is stopped and goes to restart. The error code probably occurs when the outdoor unit goes to fire up. The problem may be a number of things. I assume that you dont have a list of fault codes, so here are a few things to look for. 1) Is the unit 3 phase? If so make sure you have all phases supplied. If that is OK check the outdoor fan operation and capacitors. 2) If the system is single phase, again check the operation of all fans and capacitors, 3) If they are ok check that the compressor actually runs. It may only hum but not spin up.. If it only hums, the capacitors may be crook or compessor jammed. If the compressor seems to be dead, ie: no response, no humming, no turning. I guess it will cost you, so call a serviceman. Again much depends on the type and model and the problems may be simple or extensive, If you are not trade qualified or experienced keeping your little fingers out of the thingo would be a real good move. However a good pair of ears can tell you much. Good luck

Feb 23, 2011 | Carrier 38CKC042 Air Conditioner

1 Answer

8 blinks on unit shutoff,no continuous run


Indoor unit Fan problem. This is caused by the Indoor fan being locked. Check fan motor is plugged in correctly, Electrically & Mechanically sound.
Check the fan motor turns freely, check the AC Voltage supplied to the fan motor, this will vary from 120 V ac at low speed to 170V AC at high speed. If no
Voltage is present the the PCB is faulty, if Voltage is present the fan motor will be Fault.

Helpful?

Jan 19, 2011 | Heating & Cooling

1 Answer

Fan runs outside.when i turn unit back on it starts to freeze up again,,,,also no air blowing inside.


The unit is freezing up due to the indoor fan not running. This could be because of several things. First turn off the power and see if the indoor fan turns freely. If it doesn't you may be able to oil it but more than likely it will need to be replace. If that's OK then check the capacitor for the fan motor. If it looks swollen, it's bad. You can test it with a multimeter with the capacitor test function. If that checks out OK then you need to check the fan motor windings using a multimeter on the resistance function. An open winding means the motor needs to be replaced. If the motor is connected to a circuit board, the problem could be the circuit board. You would need to check for voltage at the motor connections on the circuit board.

Sep 09, 2010 | Goodman CLJ30AR32 Air Conditioner

1 Answer

Freezin ge airconditioner small window unit boughr 2008


Check your filter, indoor coil and blower wheel to see if they are dirty, if they are, they need to be cleaned, if not, then you are probably low on refrigerant or Blower not running at full speed.
Shut the power off to the unit, spin the blower wheel to see if it spins freely. If it doesn't spin freely, (there appears to be a little drag when you spin it),the bearings are bad, if it does spin freely, then try moving the motor shaft from side to side if there’s any play in the shaft side to side then the bearings are worn and motor needs replaced. Then, check the capacitor, if it’s bulging even slightly, the capacitor is bad and needs replaced. Most of the time people replace the capacitor if motor seems ok. If capacitor is ok, turn power on to see if the motor is getting the proper voltage, if it is and not trying to run, then the windings are probably open, the motor's bad and needs replaced.

Aug 17, 2009 | Heating & Cooling

1 Answer

Kenmore AC unit's fan won't blow at all


Shut the power off to the unit, spin the fan blade to see if it spins freely. If it doesn't spin freely, (there appears to be a little drag when you spin it),the bearings are bad, if it does spin freely, then try moving the motor shaft from side to side if there’s any play in the shaft side to side then the bearings are worn and motor needs replaced. Then, check the capacitor, if it’s bulging even slightly, the capacitor is bad and needs replaced. Most of the time people replace the capacitor if motor seems ok. If capacitor is ok, turn power on to see if the motor is getting the proper voltage, if it is and not trying to run, then the windings are probably open, the motor's bad and needs replaced.

Jul 30, 2009 | Heating & Cooling

1 Answer

High Pressure cutoff


YOUR OUTDOOR FAN MOTOR SHOULD NEVER SHUT OFF IN THE AC MODE. IT IS SUPPOSED TO SHUT OFF IN THE HEAT MODE WHEN ITS IN DEFROST. IF THE UNIT IS RUNNING IN COOL AND THE OUTSIDE MOTOR QUITS ,THE COMPRESSOR WILL QUIT SOON AFTER. EITHER THE RUN CAPACITOR FOR THE FAN IS BAD OR THE FAN MOTOR ITSELF IS BAD, IF CAP IS GOOD THEN THE MOTOR IS At FAULT. THE OUTDOOR PRESSURE SWITCH CAN ALSO OPEN IF THE INDOOR FAN MOTOR FAILS IN HEAT OR THE FILTER IS PLUM NASTY in heat OR THE INDOOR COIL IS PLUGGED UP in heat.. THE PRESSURE SWITCH USUALLY TRIPS AT 400 TO 425 SO ITS WORKING CORRECTLY. YOU MAY BE CONFUSING THE ISSUE SAYING THAT THE AIR IS HOT AND COLD INSIDE. IT IS COLD WHEN AC IS RUNNING HOT WHEN HEAT PUMP IS RUNNING IN HEAT BUT ESSENTIALLY not cold or hot if compressor isn't running, but a lot of folks describe the lack of cold air as hot when the compressor isnt running. but it basically is warm or house air temp.you test the capacitor with a capacitor tester or take it to motor shop and let them test it. odds are its a 5 , 7.5 or a 10. it should test within 10 % of rated value . ask for a RESCUE brand replacement motor. they are great ,reversable etc.carefully oil and sand the motor shaft and note exactly where the blade was located in relation to the grill so you get it back just the same. usually they wire up black to a leg of 220 power. white to the other leg of 220 power. brown and brown with white stripe to the capacitor.you can also pull whole fan shroud assembly on some units and take whole thing to motor shop and let them test motor cap, replace and all you do is return to unit and connect two power leads,

Oct 26, 2008 | Heating & Cooling

1 Answer

Frost on the AC Unit


plugged air filter
low refrigerant
blocked supply or return vents
incorrectly sized unit
failing compressor
restricted line set
plugged metering device
thermostat turned to low
stuck contactor relay
Failed circulatory blower motor
Failed indoor blwr run capacitor
improperly wired (or damaged) control wiring

That is about all I can come up with for your topic. Maybe we could narrow things down a little with some more information from you. Thanks!

Jul 01, 2008 | Heating & Cooling

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