Introduction If you are facing the Daikin error code L5 on your air conditioning system, it indicates an inverter instantaneous overcurrent issue in the DC output. This fault may be linked to a defective compressor coil, such as wiring disconnection or insulation failure. This guide is applicable to Daikin split and multi-split air conditioning systems, including wall-mounted, duct-connected, floor-standing, multi-flow, stylish, European, Ururu Sarara, and cassette-type units. Troubleshooting Steps Follow these steps to troubleshoot and resolve the Daikin L5 error code: