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I have an Arcoaire furnace and a Trane air conditioning unit which are about 10-15 years old. Around 9:30-10:00 in the morning there is a grinding sound in the wall of a bedroom behind the furnace which sounds like a small motor is trying to kick over and and can't kick in and then shuts off and then tries kicking in again. I've had the furnace serviced and the maintenance reps haven't been able to find anything. Is there something not connected between the furnace and some air outflow that isn't working or is it connected with the air condition unit? The control is a Honeywell thermostat that is electronically timed to turn on and off at different times of the day. I'm bewildered by this noise and fearful it might be something that could cause a fire.

Submitted: 316 days and 10 hours ago.

Category: HVAC

Value: $15

Status: AWAITING CUSTOMER ACTION

Posted by coolman1973 316 days and 9 hours ago.

Answer

this only happens at the same time everyday?

316 days and 3 hours ago.

Reply

I've been timing it the last couple of days while I was home during the day. It may do it later in the day or evening. I can't say it is consistently doing it at the same time in the a.m. It can come on earlier around 8:30 a.m., too.

Posted by coolman1973 316 days and 3 hours ago.

Answer

sounds like to me that the blower wheel is rubbing the caseing, sometimes it will do that if it starts up and go away, u need to look at the squirrel cage an see if u see any scratch marks, have another company come out and look , maybe ur company isnt very good

315 days and 9 hours ago.

Reply

I have had 2 different companies look at it!

Posted by coolman1973 315 days and 9 hours ago.

Answer

really, well sorry i cannot really do much more for u with out bieng able to look at it, hope u find out what it may be, good luck happy holidays

Answer

g

Expert:	coolman1973
Pos. Feedback:	95.9 %
Accepts:	334
Answered:	12/28/2008

Hvac tech and Mechanic

15 yrs field exp/5yrs supervisingexp/ Nate and Epa cert.

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Answer

this only happens at the same time everyday?

Reply

I've been timing it the last couple of days while I was home during the day. It may do it later in the day or evening. I can't say it is consistently doing it at the same time in the a.m. It can come on earlier around 8:30 a.m., too.

Answer

sounds like to me that the blower wheel is rubbing the caseing, sometimes it will do that if it starts up and go away, u need to look at the squirrel cage an see if u see any scratch marks, have another company come out and look , maybe ur company isnt very good

Reply

I have had 2 different companies look at it!

Answer

really, well sorry i cannot really do much more for u with out bieng able to look at it, hope u find out what it may be, good luck happy holidays

Answer

g

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