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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 E SD
kit when handling electronic boards.
1Switch off the quaternary pump at the main power switch, unplug the pump
from line power.
2Disconnect cables from the interfaceboard connectors.
3Loosen the screws. Slide out the interface board from the quaternary pump.
4Install the new interface board. Secure screws.
5Reconnect the cables to the board connector.
6Reconnect 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 page216
BCD (Interface) board