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Fujitsu split system

The Operation and Timer lights are flashing sinultaneously we have tried all the things sugested in the operators manual but they are still flashing, and of course it has to play up now when we are heading into 39 degree heat.

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  • Inkywoman Dec 27, 2007

    Same problem!




    Linda Rogers

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2 Answers

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  • 236 Answers

I you already tried the power supply reset in the unit ("off" and "on" the supply) may be there something wrong with your thermistor, out of range thermistor can cause error display (flashing LED).Or running the unit with under charge refrigerant is also one of the cause. If the unit operates but no cool at all then that is the cause of error display. Please call a qualified technician to check your unit.

Posted on Dec 31, 2007

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Turn off mains power at the breaker.
if you have an isolator at the indoor and out door unit, switch these on.
turn the power back on at the breaker.

Posted on Feb 04, 2008

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1 Answer

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

Jan 05, 2015 | Inverter Heating & Cooling

1 Answer

Why my unit keep shutting off after few seconds and then turbo light keep on flashing?


Operation =
Flashing Display Timer = Yes
Turbo =
LED Display = E1
Explanation and Checking points = Indoor unit room thermistor error - Open or Closed Circuit - Check and replace if required

Operation = Yes
Flashing Display Timer = Yes
Turbo =
LED Display = E2
Explanation and Checking points = Indoor unit pipe thermistor error - - Open or Closed Circuit - Check and replace if required


Operation =
Flashing Display Timer =
Turbo = Yes
LED Display = E3
Explanation and Checking points = Indoor unit fan motor malfunction - Check and replace if required


Operation =
Flashing Display Timer = Yes
Turbo = Yes
LED Display = E6
Explanation and Checking points = EPROM error - Check and replace PCB if required


Operation = Yes
Flashing Display Timer = Yes
Turbo = Yes
LED Display = Flashing
Explanation and Checking points = Option code error - Check and input new option code if required via wireless remote controller


Operation = Yes
Flashing Display Timer =
Turbo = Yes
LED Display =
Explanation and Checking points = Outdoor unit temperature sensor - Open or Closed Circuit - Check and replace if required

Jun 18, 2014 | Samsung AQV36JA Classic 36000 BTU Single...

1 Answer

My friedrich mw18y3f dosent work any more, the operation light and the timer light flash together 4 times and after it's the timer light that flashes 4 times alone. can someone help me


1( replace batteries with FULL charge and the same type alkalines do not mix
2( clean the contacts batteries very well c.cleaner
3)retight the springs contacts with long pliers for better contacts.
4) open the remote control for to clean the keypad from dirty, oxide, corrosion and bad contacts.
5) proceed to reset the code, and try again.
However if do not work, you must go to the repair shop Tv for fix it.
God bless you

Oct 08, 2012 | Friedrich Heat Pump, 18, 000 BtuH, Wall...

1 Answer

Timer light flashes twice on my asta09lcc but it wont work


If operation light is normal and timer light flashes twice, the error is:
Serial signal (reverse) error, at operation start up
Most likely a faulty outdoor controller PCB. Around $250 for new board plus labour.

Jul 09, 2012 | Fujitsu 18C1 Air Conditioner

3 Answers

Operation light and timer light blink 5 times?


I don't know if this is the proper technical solution or not but my unit was having the same issue. I cleaned it checked fuses made sure the cover was properly in place and nothing worked. As a final thought I went to the home fuse panel and tripped the breaker for the unit, waited about 30 seconds and turned it back on. I did this with the unit set to off. When I came back and turned it on, it is working properly with the operation light solid red.

Dec 13, 2008 | Fujitsu 18C1 Air Conditioner

1 Answer

I have a Fujitsu ASTA24LCC heat pump and it has stopped going, but is showing some form of fault code. Operation & Timer lights flash together twice then operation light flashes 5 times. What does...


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.

Aug 11, 2008 | Heating & Cooling

3 Answers

Fujitsu Heat Pump - problems with timer? When starting the heat pump - the operation light, together with the timer light blinks twice, then the operation light blinks another five times. Then the...


I had the same problem. The heater did not work in heating mode. However it was OK in air-conditioning mode. The operation light and the timer light blink twice and then the operation light blinks for 5 times followed by few seconds non blinking, then the cycle repeats again. I have read on the internet that you better unplug the power cord and then plug it again so that the heater re-sets itself. My only problem was that my heater is directly plugged to the power with no visible plug. So I went to the main distribution board and put off the power for about 20 seconds for the whole home. HOORAY!! The heater worked after that.

Jun 24, 2008 | Fujitsu Heating & Cooling

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