Question about Fujitsu Heating & Cooling

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I have a fujitsu split system aircondition unit model AOTG18LVCB. The operation light flashing 10 times the timer flashing once every time the operation light reaches the 10th flash And the economy light continues to flash green. Can someone please tell me what error code this means.

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  • Contributor
  • 4 Answers

It means Discharge temp error..did u check it...!?

Posted on May 05, 2015

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6ya6ya
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Posted on Jan 02, 2017

bobotfel
  • 236 Answers

SOURCE: flashing lights on system

Maybe the unit is on test run, try to push the test run button of remote control pointing the remote to the unit receiver.6d9792c.jpg

Posted on Jan 07, 2008

  • 1 Answer

SOURCE: i have a Fujitsu ASTA24LCC

Check your filters. Manual says they need to be cleaned every two weeks under normal operation (and in my case more often during renovations). It seems it may not take much to limit air flow enough for the indoor unit to trip out. Hope this helps.

Posted on Aug 24, 2008

louislevel_2
  • 374 Answers

SOURCE: Air conditioner not blowing cold air anymore

hi! there,
if no cold blowing,evaporator is not working,have you ever heard compressor is running,check this out,no compression of course you dont have cool on evaporator.if the compressor is running check the oprating current,if still have enough freon charge,if not running check thermostat reset setting on the coldest,ifn still not run check overload relay on panel control reset lever to put back compressor to run,check condensing fan if working,if not check also over load protection,this should be done by ac tech nician.have a nice day,dont gorget to rate me, thank's

Posted on Apr 18, 2009

  • 2 Answers

SOURCE: The operation and timer lights on my Fujitsu split

I have same problem like yours to my newly installed Fujitsu multi-split system (the first time use since system installed 1 week ago). I rang the electrician who did the installation; he said it must be the units themselves nothing to do with electricity.

Okay, then I rang Fujitsu and their local service agent. They suggested me to switch off C/B for an hour to reset the units. I followed the instruction 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 to the outdoor unit). So I used a multi-meter to test the power terminals of indoor units (Danger! If you have no idea about this, don't even try! ): it seemed no power supply even C/B is on. I turned to the isolator which next to the outdoor unit. The isolator was making arcing noise when I switched it on and off. The indoor units suddenly turned on for few minutes then died again.

So I figured out the problem is that crooked isolator. I called the unhappy electrician to replace the isolator. End story....

I hope my experience will help you a little bit.

Posted on Nov 23, 2010

hvac1960
  • 2133 Answers

SOURCE: My Fujitsu air condition had

The unit is under time setting. You have to cancel the timer by dis connecting the power and restart.

Posted on Dec 08, 2010

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This is a "PFC circuit abnormal" in the outdoor unit meaning that the outdoor controller board is faulty. Try turning the machine off at the isolator switch for 10 mins, then back on to see if the error resets. If not you will need a new controller PCB.

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I hope this link is of some help to you
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http://www.climatecenter.co.uk/wcsstore/ClimateCenter/Attachment/downloads/fujitsu-trouble.pdf

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This the common problem with all a/c holders. Without knowing the function of Timer on and Timer off, if it's pressed the unit will start only at setting time.

Please remove the battery from your remote and reset it. And then with use of your manual, set the timer if you need., otherwise normal function will be activated.

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The operation and timer lights on my Fujitsu split system are flashing on and off several times when the unit is switched off I noticed this after the system had stopped blowing air & I knew the room...


I have same problem like yours to my newly installed Fujitsu multi-split system (the first time use since system installed 1 week ago). I rang the electrician who did the installation; he said it must be the units themselves nothing to do with electricity.

Okay, then I rang Fujitsu and their local service agent. They suggested me to switch off C/B for an hour to reset the units. I followed the instruction 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 to the outdoor unit). So I used a multi-meter to test the power terminals of indoor units (Danger! If you have no idea about this, don't even try! ): it seemed no power supply even C/B is on. I turned to the isolator which next to the outdoor unit. The isolator was making arcing noise when I switched it on and off. The indoor units suddenly turned on for few minutes then died again.

So I figured out the problem is that crooked isolator. I called the unhappy electrician to replace the isolator. End story....

I hope my experience will help you a little bit.

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