Question about Amana PTH123B25AJ Heat Pump Air Conditioner

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Intermittent squealing from furnace

The furnace is not running and is currently turned off. what would be causing the squealing?

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Bad berrings in the fan motor

Posted on Jul 12, 2009

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Posted on Jan 02, 2017

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1 Answer

If I shut off the blower on my gas furnace do I have to shut down the whole furnace


Turn of the system at the thermostat. If you turn off the blower, assuming you mean at the tstat, there's no need to turn off the pilot. If blower is running and won't stop, even if turned off at tstat, turn off power by any means necessary, and pilot does not need to be turned off. A "standing pilot" is made to stay lit at all times, running or not.

Mar 07, 2017 | Heating & Cooling

1 Answer

Rheem classic 90 blower "squeals" intermittently when running. When I manually "hand turn" the blower wheel, I hear a squeal at certain points of the spin. Blower motor or wheel?


Could be either, but more likely the wheel is rubbing on the housing. It may have moved on the shaft, or become warped.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/david_29ad5d1dd86564b0

Nov 21, 2016 | Heating & Cooling

2 Answers

The 2 flashes on the screen and the furnace will not turn on. The 2 indicates the time frame program which is correct but why flashing? Owners manual does not address.


I had two flashes on a Honeywell 8670 continuous retry controller to my Burnham power vent natural gas furnace.In my furnace the two flashes meant the last attempt at starting failed and it was going to retry in 90 seconds.

In my case the furnace actually had two intermittent problems with similar codes. The first issue was the high voltage pilot light cable was also a combination flame sensor wire. The cable was supposed to clamp on to the pilot assembly like a spark plug wire.

When it was installed the clamping bits were too far apart and some fool decided since it wasn't sticking he would glue it on. This worked initially, but later the connection was only good enough to pass the high voltage not the low current DC signal back to the controller indicating the flame started successfully. Flames conduct a small amount of electricity due to ionization and the controller senses this.

I pinched the clamping bits together with some pliers. Then it fit tight and kept working.

Other reasons for the 2 flash code on my controller might be no gas or pilot light failure.

My other problem was a partially failed capacitor on my power vent motor caused the vent fan to run in reverse on say one in one hundred start attempts. Once it started running in reverse it wouldn't run forward without stopping it completely, which took several minutes of off time. The capacitor was available quickly and inexpensively from McMaster Carr.

Jan 10, 2015 | Heating & Cooling

1 Answer

Why do my emergency flashers work, but turn signals are intermittent on 2004 ford expedition,what could be the cause of this ?


Cause could be from a worn out multi-function switch (blinker switch)
Filaments heat and expand and decrease in size as current runs to them, basically making and breaking a circuit several times, creating an intermittent switch that supplies current to the lights. These can go out, and will need to be replaced.

Jul 24, 2014 | 2004 Ford Expedition

1 Answer

The fan on my Bryant furnace squeals.


There is a Oil Filler on the Shaft and you should oil it. But are you sure it is NOT the belt that is going bad? Increase Temps will make a difference

Jul 03, 2014 | Heating & Cooling

1 Answer

Furnace intermittent on Comfort Control


It depends on what mode the unit is in when your looking at the screen. No call, no display. No errors, no display

Apr 11, 2014 | Dometic Heating & Cooling

1 Answer

Trane xl80 blower working intermittently


hello Miss/Mrs/Mr,
I have the furnace trane xl 80, when I turned for heat everything working but only blower motor was not running, I wait for 1 minute all system suck down? I guess the capacitor blow out, that the reason why blower motor was not running

Please email me that is the

Jun 24, 2012 | Heating & Cooling

1 Answer

The TV flickers off and on causing the screen to go black intermittently when our furnace runs. If we turn the furnace off, the picture straightens up and when we turn the furnace back on, the picture...


The TV could be wired to same breaker on the furnace. Or the cable line maybe cut or rubbing on electric line for furnace which can cause interference. Check each wire make sure there isn't any bare wire showing. good luck

Mar 29, 2010 | LG RU-23LG10P 23 in. TV/DVD Combo

1 Answer

Heater fan only works on high after replacement of heater core


It's very possible the fan motor has quit. The squealing noise is caused from motor bearing failure. As the bearings wear out or dry up the motor is harder to turn and require more current to run the motor. On lower speeds, the motor runs off a series of resistors that reduce the amount of voltage and current so the fan runs a lower speeds. If the bearings are worn, there is not enough voltage or current to turn the motor and that's probably the humming noise your hearing.
Good observation by the way.
Let me know.
regards,

Feb 13, 2009 | 2001 Chevrolet Prizm

1 Answer

My furnace works intermittently.


You may have a dirty flame sensor. There are a number of other possible causes as well. Rheem/Ruud/Weatherking furnaces also have problems with the connection on the blower deck.
The flame sensor sometimes must be bypassed around the MOLEX CONNECTOR in the deck due to humidity.
Hope this helps.
Matt
maxhtcl1@verizon.net

Jan 14, 2009 | Honeywell Programmable Thermostat Heater

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