Use a non-acidic coil cleaner and low-pressure water. Bent fins should be straightened using a fin comb to ensure optimal airflow. Troubleshooting the Inverter System
Indoor unit overflow or float switch activation. Check the drain pump and piping. toshiba mmymap1404ft8e service manual
The heart of the MMY-MAP1404FT8E is the dual inverter board. If the compressor fails to start: Use a non-acidic coil cleaner and low-pressure water