Fault Code A3: Drain Level Control System Abnormality.
Fault: Drain Level Control System Abnormality
Drain clogging, upward slope, etc.
Defective drain pump
Defective float switch or short circuit connector
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.