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Fujitsu Inverter ASTA24LCC has flashing "Operation" and sometimes "Timer" lights. I have cleaned filters but the lights still flash. Does anyone know the issue here?

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  • 242 Answers

You may need to open the louver and hold down the Manual/Auto button for 10 seconds to see if you can reset the machine. Additionally, unplug the unit for 30 seconds or so and then plug back in.

Posted on Dec 10, 2012

  • Gary Russell Dec 19, 2012

    Thanks for your suggestion Chuck. Unfortunately it didn't fix my issue this time by I appreciate your help. I think I will need to call this in for a service.

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SOURCE: Fujitsu. Wall mount AC inverter. Operation ,timer,and economy lights all blink, I clean the filters but no change , unit is only 3 months old..

Your AC unit should be still covered by warranty, get the installer to check you AC unit.

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bobotfel
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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

SOURCE: Fujitsu inverter ASTA24LCC aircon wont

Check that the gas is not leaking, that would be the most likely cause.

Posted on Jun 17, 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

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SOURCE: I have an ASTA24LCC split system and the unit is

Voltage issue? There should be a diagnostic chart on the wiring diagram.

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I have two flashes on the timer light of my indoor unit of Fujitsu Inverter ASU9RLS


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MY FIJITSU inverter is not working correctly, the timer light is flashing continuously and the timer lights flashes 5 times can anyone help pleawe


fujitsu is a good brand.
try one of these two things:

Turn the unit off then on again. After that press test button on remote control (rear side) and look how many times now operation and timer LED flashes. Note that. Then press MANUAL/AUTO button on indoor unit until you hear 3 beeps from buzzer. That will erase error memory.
Switch off and than on unit and see if indication repeat or it is gone. If it is gone, keep using your unit.
If it is repeated post your notes here.

OR+++++++++++++++++++++FOR OTHER MODELS

5 x Operation flash and a constant Timer flash indicates an outdoor unit control error. With this code flashing on the indoor unit, you need to point the remote at the unit and push the test run button. The flash pattern will change to a continuously flashing Operation light and a number of flashes of the timer light which gives more detail on what the error is.

To get the unit to try to restart you need to push and hold the manual/auto button on the indoor unit for a few seconds then reset the mains power supply but leave it off for a minute or so for the unit to power down completely. If you are going to try this make sure you make a note of any error codes first if you have to get someone out to look at it, it will help them a lot.

Please mark this answer helpful. 25355155-u40lsvyytnuesyuv3fbafhtd-1-0.jpg

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I have a fujitsu DC inverter model no. ASYG18LFCA not a week old as yet, when I turn it on it works fine for 5mins. then stops and after a short time the timer and economy lights start flashing, can anyone help on this, please.

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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.

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