Question about Fujitsu 24C1 Air Conditioner

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Have model ASTB24LDC/AOTS24LDC Inverter Fujitsu split system. As of Thursday 11th Nov, unit stopped working. Won't respond with remote. An electrician came to test it this morning, says there is power to the unit. He cannot fix it due to warranty on the system. With this model is there a manual button that I can try to start it up? Garry

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I have same problem like yours to my newlyinstalled Fujitsu multi-split system (the first time use since system installed1 week ago). I rang the electrician whodid the installation; he said it must be the units themselves nothing to dowith electricity. Okay, then I rang Fujitsu and their local service agent. Theysuggested me to switch off C/B for an hour to reset the units. I followed theinstruction but the indoor units still did not respond to remote control...

It simply looks like no power supply to indoor units (they are hard-wired tothe outdoor unit). So I used a multi-meter to test the power terminals of indoorunits (Danger! If you have no idea about this, don't even try! ): it seemed nopower supply even C/B is on. I turned to the isolator which next to the outdoorunit. The isolator was making arcing noise when I switched it on and off. Theindoor units suddenly turned on for few minutes then died again. So I figuredout the problem is that crooked isolator. I called the unhappy electricianto replace the isolator. End story....
I hope my experience will give a littlehelp to you...

Posted on Nov 23, 2010

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Posted on Jan 02, 2017

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