Communication error between indoor and outdoor units. Check wiring and terminal tensions.
To diagnose faults, use the Remote Controller or the Outdoor Unit PCB LED display. toshiba mmymap1404ft8e service manual
Detailed documentation for this series, such as File No. , typically covers the following critical sections: Communication error between indoor and outdoor units
Set the outdoor unit address. For a standalone system, set these to "1". In a multi-module line, set the header unit to "1" and follower units sequentially to "2" and "3". Critical Pushbutton Functions such as File No.