I ve tried cycling between heat cool modes turning off the system at the circuit breaker overnight then restarting no success.
Fujitsu split system error codes.
Two handsets 1 unit set on rc dip sws single handset dip sw1 is on 2 is off dual handset master both on slave both off.
My 10 5 year old fujitsu asu12rls aou12rls system has worked flawlessly until recently.
It isn t throwing any visible codes but now seems to only heat not cool.
Search on this site.
Easy to use list of fujitsu air conditioner error codes and their explanation.
Group control up to 16 unit from 1 rc handset.
Airpro provide the following fujitsu fault error code.
Cables marked signal are digital pulses and you should not attempt to measure these with a meter.
Each fault code can suggest a number of issues.
Defect of connector contact defect of thermistor defect of outdoor unit pcb multi split super multi j5.
Malfunction of drain level control system.
Fujitsu error and fault codes airpro can diagnose all fujitsu air conditioning fault and error codes.
Welcome to the fujitsu general resource center.