Question about Ruud UBHC Air Conditioner

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My urka-a030jk0 ruud air/heat is showing a error code 8e with five flashes what is wrong

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  • dwkcool May 11, 2010

    Look on the door panel on the wiring diagram the flash code sould be there

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An error code 5 is a twinning error. This only applies when the unit is "Twined" with another unit. When the unit is not twined it is because of dipswitch 3 on the SW1. It is either in the in position or it has developed a bad connection. Disconnect power from the unit and work switch 3 back and forth several times and place in the "Single" position or "OFF" and restore power. This should resolve the issue. If it does not the board must be replaced.

Richard (Rick) Drennan
Global HVAC Distributors
RUUD Field Support Representative / Instructor
rdrennan@globalhvac.com
900 Spreckels Ave
Manteca, Ca. 95336
Office (877)448-7263

Posted on Jan 05, 2009

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