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Samsung split unit aircon Aq12Fen does not cool, checked outdoor unit and compressor and fan does not come on but if I put it in heating mode the compressor and fan runs, could the indoor pc board be faulty?

Posted by Mark on

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5 Related Answers

Anonymous

  • 182 Answers

SOURCE: Fujitsu Split System AST24RGA-W + AOT24RZAL

with the remote.....turn the fan only on.if the fan does not run its either the board or wiring.

Posted on Aug 23, 2008

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Anonymous

  • 1 Answer

SOURCE: DeLonghi Planus quick connect split heat pump.

I was told by a delonghi technician that it does this to defrost the unit.
Hope this helps.

Posted on Apr 22, 2009

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Anonymous

  • 1 Answer

SOURCE: indoor unit runs ok outdoor unit compressor and fan do not start

Hello rfrizzell,

My unit is giving me the same alarm. If you have found the solution, please email me at [email protected]

Thank you very much.

Posted on May 10, 2009

Anonymous

  • 19 Answers

SOURCE: Hyundai HSH 3001BA split air conditioner indoor

Check to see if the compressor is getting a cooling call. that will determine if it's a control issue or a power issue.

Posted on Feb 20, 2010

richard osorno

  • 3 Answers

SOURCE: split unit, I get heat but no cold

check for a signal on a demand for heating at the ondensor and thermosat

Posted on Oct 20, 2012

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This could be caused by an installation problem. The system could be severly overcharged, causing the compressor to load up and can cause a failure. i would start there. Is your intaller qualified to install these systems? (does he know what he is doing?)
I recommend, checking the refrigerant pressures first. You can also check the Polarity of the high voltage in to the outdoor unit. If the compressor is an Inverter Drive compressor, and the polarity is reversed, the compressor can run backwards causing the noise and eventual failure. To correct a polarity problem, simply remove the 2 high voltage wires that feed power to the outdoor unit from the board or contactor. Then reconnect those 2 wires, in the opposite position. (say you take loose from the unit and the Black wire is on the right side, and the white wire is on the left side. Simply swap sides, reconnect the Black wire on the left side, and the White wire on the right side.

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