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Error code #42 fault R01 on carrier air conditioner

I have a Carrier 38QPA21-9 reversre cycle air conditioner in the hose. today A fault R01 and cod #42 is appearing on the screen. What is it and how can I rectify it?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

yalmer
  • 549 Answers

SOURCE: Carrier Thru-Wall Heater and Air Conditioner won't heat

http://www.residential.carrier.com/support/troubleshooting.shtml
Here is some troubleshooting tips.
Also service available.

Posted on Feb 25, 2008

jumptrout51
  • 3361 Answers

SOURCE: trying to find tonnage of air conditioner

2 ton.

Posted on May 12, 2009

  • 439 Answers

SOURCE: Carrier air conditioner will not turn on.

It could be the capacitor, or the relay switch on the main unit. Also, if you have had anyone doing yard work, they could have cut your thermostat wires by accident.

Posted on Jun 23, 2009

  • 24 Answers

SOURCE: icing up air conditioner

check your filter. If its really plugged that would cause to ice up or if its low on refigerant that would also cause to ice up.

Posted on Jun 24, 2009

  • 1 Answer

SOURCE: ERROR CODE 5 FLASHES CARRIER SPLIT SYST. AIR COND. 42G250HP-1

5 flashing is ' compressor drive' and check the high pressure, condenser fan motor capacitor for proper running

Posted on May 21, 2010

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Carrier all error cod


Hi:

You need to disconnect your AC from the power source first and connect it again and see if the problem is solved or not.

As a second step to solve the problem you should try to reset your AC and see if problem is solved or not.


Other you need to call a Carrier agent in your area.


I wish that will solve your problem.

Please don't forget to rate!

Regards.

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