Intertherm Model MGHB-056ABFC-09

Questions about repairs and parts for other brands of furnaces and air conditioners. Please note that our speciality is Coleman and Nordyne products, so our knowledge of other brands may be limited.

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JohnH
Posts: 3
Joined: Fri Aug 21, 2009 9:01 am

There is no air coming out of floor vents when the AC is on. Motor fan is running, I have replaced limit switch and fan switch, plus thermostat.
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Robert
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Posts: 6413
Joined: Wed Feb 28, 2007 12:07 am
Location: Tennessee

Hi,


Double or single wide ?



NO air at all out of ANY register ?



Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
JohnH
Posts: 3
Joined: Fri Aug 21, 2009 9:01 am

Robert wrote:Hi,


Double or single wide ?



NO air at all out of ANY register ?



Thanks,
Robert
It will blow cold air for a short time and then stops, but the blower is still running.

Double wide
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Robert
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Posts: 6413
Joined: Wed Feb 28, 2007 12:07 am
Location: Tennessee

The air keeps flowing, just not cold anymore or the air flow stops all together.


Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
JohnH
Posts: 3
Joined: Fri Aug 21, 2009 9:01 am

Robert wrote:The air keeps flowing, just not cold anymore or the air flow stops all together.


Thanks,
Robert
Air flow stops all together, btw thanks for the help
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Robert
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Posts: 6413
Joined: Wed Feb 28, 2007 12:07 am
Location: Tennessee

Hi,


When the airflow stops, does it stop completely flowing from every register in both halves of the home ?


Have you removed door panel and visually seen that blower motor was still running and blower wheel turning ?


There is a smaller motor that runs also (draft inducer motor).



IF the blower motor and wheel are turning/running full speed, but you have zero airflow from any registers, there is a blockage or a duct loose somewhere.


IF it is just on the side opposite the furnace, then most likely a crossover duct blocked, loose or torn.


Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
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