WARNING! POTENTIAL HIGH VOLTAGE! USE INSULATION!

Unscrew power supply and control unit.

Unscrew 2 screws on the power connector on the unit side.

Lift the power supply board (Green) - it might require some force due to thermal tape holding it.

Lift the controller board (Blue) from the top and then push it to free connectors.

Now both boards should be removed and places on the insulated surface.