Fault Code C1: Failure of transmission (between indoor unit PCB and sub PCB).
Fault: Failure of transmission (between indoor unit PCB and sub PCB)
Defective connection of the connector between indoor unit 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.