My 10 5 year old fujitsu asu12rls aou12rls system has worked flawlessly until recently.
Fujitsu split system error codes.
I ve tried cycling between heat cool modes turning off the system at the circuit breaker overnight then restarting no success.
Group control up to 16 unit from 1 rc handset.
Cables marked signal are digital pulses and you should not attempt to measure these with a meter.
Trouble shooting what the separate wires do in the interconnecting cables note wires are 240v live except where marked neutral or earth or signal.
Malfunction of drain level control system.
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.
Stuck inside your home in the air conditioning brisbane is in the middle of the heatwave with temperatures of 40 with 90 humidity.
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.
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It isn t throwing any visible codes but now seems to only heat not cool.
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