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DAIKIN Aircon Multi Unit - One head unit not working, others are fine. No lights or response

Hi, I have a Daikin multi split system running 3 head units. 2 are working perfectly, The other one suddenly will not switch on via remote control or on/off switch. This happened after a power cut while the unit was on. When the power came back on, the unit was still in the on position (vents open) but there are no lights and absolutely no response to the remote or the units on/off button. It appears like there is no power to this head unit at all. I can't fault find because there are no lights or noise from the unit. I've turned the power off at the box for 30 minutes - no change. Remotes are working fine. Any ideas ??

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Check for power at unit . If there is power to unit check for blown fuse on circuit board or bad board .

Posted on Nov 30, 2014

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