Midea ESG-Inv M Series - Page 60

ESG-Inv M
59
Part 5 – Diagnosis and Troubleshooting
Water system pressure is not satisfied the
requirement
Yes
Ensure the pressure is in the reasonable
range
No
Replace main PCB
Notes:
1. Inlet water temperature sensor (TW-in) connection, outlet water temperature sensor (TW-out) connection is port CN10 on the main PCB.
MBT Confidential