1100 Series Nano Pump Service Manual 129
Repairing the Pump 3
Exchanging the Optional Interface Board
1 Switch off the nano pump at the main power switch. Unplug the pump from
main power.
2 Disconnect cables from the interface board connectors.
3 Loosen the screws. Slide out the interface board from the nano pump.
4 Install the new interface board. Secure screws.
5 Reconnect the cables to the board connector
.
The interface board is sensitive to electrostatic discharge. Always use the ESD kit
when handling electronic boards.
When required
Board defective
Part required BCD (Interface) board, see "Optional Interface Boards" on page 215
Figure 21 Exchanging the Interface Board
BCD (Interface)
board
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