M thermal Split
202004 103
4.24 C7 Troubleshooting
Digital display output 4.24.1
Description 4.24.2
Transducer module temperature too high protection
M thermal Split stops running.
Error code is displayed on hydronic box main PCB and user interface.
Possible causes 4.24.3
Power supply voltage of the unit is low.
The space between the units is too narrow for heat exchanger.
Heat exchanger is dirty or something is block on the surface.
Fan is not running.
Water flow rate is low.
Water outlet temp. sensor is loosen or broken.
Midea CAC