Question about Fujitsu Heating & Cooling
Operation red light flashing on my Fujitsu heat pump
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Posted on Jan 02, 2017
SOURCE: Fujitsu split system
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
SOURCE: Fujitsu Heat Pump - problems
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.
Posted on Aug 08, 2008
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
According to the service manual page 8, the unit has an 'indoor unit control error'. Below is the link to the manual. Hope this helps. http://www.oceanairdist.co.uk/assets/pdf/service/Fujitsu/ASYA09LC.pdf
Posted on Jul 16, 2009
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