136
Chapter 8
Replacing Control Board
8.1.
Tasks Required for Replacing Control Board
After replacing the control board <VFC66R-Z> with a spare, the internal control parameters are factory-set
initial values. Therefore, you need to reset them according to the currently used converter parameters.
About the control board <VFC66R-Z>
●
The software dedicated for the converter is written to the control board <VFC66R-Z> incorporated in the
converter.
●
Be sure to replace the control board with the control board <VFC66R-Z> in which the software dedicated
for the converter is written.
8.2.
How to Replace Control Board
Warning
Replacing the control board <VFC66R-Z>
●
Be sure to turn off the converter when opening or closing the front cover, and then install the board.
Otherwise, it can result in a risk of electric shock.
Prepared items
・
Spare of the control board <VFC66R-Z>
・
Phillips screwdriver (M3)
・
Phillips screwdriver (M4)
・
Needle-nose plier
Open the front cover. The optional board is located in the front side, and the console board <SET66-Z> is located
above the control board <VFC66R-Z> in the back.