8.2 Inverter PCB replacement procedure
(a) Replacement work of inverter PCB (on the third layer)
1) Loosen screws
The mounting board of the first layer (on the front)
the second layer (on the back) can be removed like as
opening door.
Loosen 8 screws (shown with white arrow)
Left side of control box : 3 screws
Inner left side of control box : 3 screws
Bottom side of control box : 2 screws
Be careful not to forget to loosen a center screw which
is hidden by wiring.
There are 3 screws at inner left side of control box.
1. Inside of control box
User Guide | Optyma™ iCO2
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
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