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Hi I have a old ftks71gvma r22 inverter 7kw daikin and the ac won't turn on by controller. When I pres on the ac won't even beep or light up whatsoever, tested and has power to outdoor unit and indoor unit. Only way to turn on is force start at the outdoor unit (condensor runs) indoor unit lights still won't come on and fan won't turn on. If anyone could help please

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 44 Answers

SOURCE: Unit wont start, flashing lights on indoor unit, fuse may be gone

How old is it? Can you justify spending lots of money on an older system? Sounds like a transformer issue. Sometimes if the low voltage wiring gets shorted outside via dog or weed eater it will short the transformer. But if transformer is on control. Controls are cheap at supply houses maybe not from technicians

Posted on May 29, 2009

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  • 10 Answers

SOURCE: Outdoor unit does not start. indoor unit fan does run.

by the sound of it the relay in the outdoor section is bad

Posted on May 31, 2009

drsn
  • 42 Answers

SOURCE: My Outdoor unit not starting ... but indoor is running fine

check the capacitor. it might be defective, i would have a certified electrician or hvac tech trouble shoot it..if you never had worked on a/c b4...........you could probably ruin it more....................if you dont know what your doing......

Posted on Apr 16, 2010

  • 81 Answers

SOURCE: U4 System transmission between indoor and outdoor units Daikin

Sounds like an interconnecting wiring error. Check wiring connection i.e. wires are connected in right order 1 to1 2 to 2 etc. from indoor terminal board to outdoor terminal board. Also check for slack or loose connections.
Hope this helps I take the time to answer your question so please rate me

Posted on Jun 28, 2010

  • 413 Answers

SOURCE: AC Starts normally but after some time of coolinf

Probably overheating. Check the outdoor coil and see if it is stopped up with dust, grass etc. If so, disconnect power to the unit, and clean the condenser coil with water or air. Be careful not to bend the fins if you use a water sprayer.

Posted on Apr 11, 2011

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