Ask Experts Questions for FREE Help !
Ask
    BillyTjr's Avatar
    BillyTjr Posts: 8, Reputation: 1
    New Member
    		  
    #1

    Oct 5, 2010, 10:01 AM
    Reversed polarity
    Hello forum my Carrier 58 PAV control broad flashing "reversed polarity" I have read that I need to switch wires but I really don't know wiring. Any help would be greatly appreciated. I purchased a multimeter yesterday but know very little about it.
    Thanks
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Oct 5, 2010, 10:05 AM
    I don't answer many questions here in this forum, but the title got my interest.

    Assuming this unit has been operating normally for some time, and suddenly you have this error message of "reverse polarity", may be an indication of a wiring fault that has occurred in the building wiring, and not a problem in the unit.

    So, be careful and have the wiring to the unit checked before you just start swapping any wiring.

    Perhaps one of the resident HVAC experts can help further.
    BillyTjr's Avatar
    BillyTjr Posts: 8, Reputation: 1
    New Member
    		  
    #3

    Oct 5, 2010, 12:40 PM
    Thanks for the reply tkrussell, the unit AC and heat worked last year and the AC still works today but the heat does not work the blower comes on but the heat does not. The control board blinks and gives the code reversed polarity. I have checked the 3amp fuse on the control board and it is good.

    Today is day two without heat and it's starting to get cold, I will call a tech out soon if I can't fix it myself. I just really can't afford it now. Thanks for any help
    BillyTjr's Avatar
    BillyTjr Posts: 8, Reputation: 1
    New Member
    		  
    #4

    Oct 13, 2010, 09:19 AM
    Thanks for all the help, it was the control board, I purchased to new carrier replacement board for $168 off eBay and within a hour I had heat!! The instructions were extremely detailed and easy to follow. Save myself about $400
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

What is reversed polarity [ 1 Answers ]

What is reversed polarity

Reversed polarity [ 1 Answers ]

What exactly is reversed in reversed polarity 1) are the hot and nuetral wired forwards/ 2) are the ground and nuetral wireed backwards?

Reversed polarity [ 6 Answers ]

Is reversed polarity when the hot and neutral are wired backwards

Reversed polarity [ 3 Answers ]

What does reversed polarity mean a. the hot and neutral are wired forwards b. the ground and neutral are wired backwards c. the hot and neutral are wired backwards

Reversed Polarity [ 1 Answers ]

Regarding reverse polarity, I have 5 outlets in a room all showing reversed. The top of the outlets are wired to the light switch(red wire) the bottoms are hot all the time(black wire). When I remove the red wire from the switch the polarity is fixed.. if I hook that wire back up they then reverse...

View more questions Search