Aqua Tempo Super II
60 201709
Midea Aqua Tempo Super II
Service Manual
4.7 EC Troubleshooting
Digital display output 4.7.1
Description 4.7.2
EC indicates that the number of slave units detected by master unit has decreased.
All units stop running.
Error code is only displayed on the user interface.
Possible causes 4.7.3
Some outdoor units are powered off.
Power supply abnormal.
Incorrect outdoor unit address setting.
Communication wires between outdoor units not connected properly.
Loosened wiring within electric control box.
Damaged main PCB or electric control box communication terminals block.