Fault Code PJ

Fault: Improper combination between inverter and fan driver
Mis-matching of type of PCB
Improper (or no) field setting after replacing outdoor unit main PCB
 

For Daikin split and multi-split air conditioning systems included wall-mounted, duct-connected, floor-standing, multi-flow, stylish, european, ururu sarara & cassette-type units.
If molded case circuit breakers or earth leakage circuit breakers have tripped, do not reset the breaker immediately without first checking for any problems with insulation of equipment.
Resetting breakers without a check of insulation may cause damage to equipment.