Question about Heating & Cooling
Flashing lights communication error
Posted by Anonymous on
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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: 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
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
5 flashing is ' compressor drive' and check the high pressure, condenser fan motor capacitor for proper running
Posted on May 21, 2010
just happen to me, call the service guy........... he told me to cut power for 30 minutes cause it erase memory inside machine. I did and its working........ So happy
Posted on Jan 05, 2012
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