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Repairing the Pump
Exchanging the optional Interface Board
Exchanging the optional Interface Board
CAUTION The interface board is sensitive to electrostatic discharge. Always use the ESD
kit when handling electronic boards.
1 Switch off the quaternary pump at the main power switch, unplug the pump
from line power.
2 Disconnect cables from the interfaceboard connectors.
3 Loosen the screws. Slide out the interface board from the quaternary pump.
4 Install the new interface board. Secure screws.
5 Reconnect the cables to the board connector.
6 Reconnect the pump to line power.
Figure 19 Exchanging the Interface Board
When required Board defective
Parts required BCD (Interface) board (G1351-68701), see “Optional Interface Boards” on page 216
BCD (Interface) board