What to do if my Hisense 4AMW-105U4RAA Air Conditioner shows IPM and control board communication fault?
- HhmillerSep 23, 2025
To address an IPM and control board communication fault in your Hisense Air Conditioner, you can try the following steps: * Reconnect the cable between the control board and the driver board. * Replace the communication cable between the control board and the driver board. * Replace the driver board. * Replace the control board.





