Question about Carrier Weathermaker 8000 Gas Furnace 125k Btu

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Carrier Weathermaker 8000 furnace LED is flashing polarity reversed code

My Carrier Weathermaker 8000 furnace is not igniting. The LED is flashing at regular intervals incication the polarity reversed code. How do I change polarity back? Do I need a new control board? If so, where do I order one? This is an uplflow furnace Thank you

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: carrier furnace weathermaker 8000

. Several times of recyling power normally brings the furnance up. Though the failure code has always been 31, there are several different behaviour when the blower starts after reset :
a. blower simply creases.
b. there is an attempt to start the heating unit (I hear the high pitch noises), then everything stops.
c. there is an attempt to start the heating unit (I hear the high pitch noises), once I see the orange glow from the coil, normally the gas is lit up and the unit starts working.

Posted on Dec 18, 2007

  • 86 Answers

SOURCE: Carrier Weathermaker gas 8000 will not ignite

1. check indoor unit wiring.
2 check sensar of thermostate.
3if not change thermostate

Posted on Mar 28, 2008

  • 232 Answers

SOURCE: Carrier Weathermaker 8000 furnace blowing COLD AIR

you have a dirty flame sensor. just needs mantenance.

Posted on Dec 28, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: I have a Carrier Weathermaker 8000 VS furnace that

If you can get to the shaft of the motor, oil it using electric motor oil. If the motor spins freely, you just may need to replace the start capacitor, however if it is binding; you will need to replace the inducer as an assembly.

Posted on Jan 18, 2010

meBNme
  • 334 Answers

SOURCE: Flame sensor dirty

Sandpaper lightly scrubbed over the sensor tip to remove any contamination.

Sometimes cleaning is not enough and the sensor must be replaced.

Posted on Jan 31, 2010

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Carrier Weathermaker gas 8000 will not ignite


1. check indoor unit wiring.
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