Quick tutorial on how to replace the Power board in INCH DUO

  1. Important to power off the charger at the main circuit breaker (the switches must be turned down in order for charger to power off (on the picture the switches are up and thus the charger is still powered up))

2. Remove the four screws (after disconnecting all the cables from the powerboard), this will remove the backplate, together with the powerboard

3. Lastly, unscrew the four screws to remove the powerboard from the backplate:


Additionally, you can use this picture when re-pluging the cable connections on the powerboard after you have swapped the powerboards (the charger must still be powered off)