Circuit Board; Parts Replacement Guide - Culligan MEDALLIST SERIES Service Manual

Familiarize yourself with the replacement procedures and component parts thoroughly before attempting any repair.
WARNING: DISCONNECT ALL ELECTRICAL POWER TO ThE UNIT BEFORE
SERvICING. ByPASS ThE UNIT AND RELIEvE SySTEM PRESSURE BEFORE
ATTEMPTING REPAIR.

CIRCUIT BOARD

To replace the AccuSoft circuit board, refer to the parts list and proceed as follows:
™
1. Lift up the front cover of the control.
2. Remove all connected wire leads from the board.
CAUTION: Grip all connections to the circuit board by the connecting terminals for
assembly and disassembly. Failure to do so could result in damage to the wire leads or
connecting terminals.
3. Remove the circuit board from the retaining clips on the front cover.
CAUTION: Do not touch any surfaces of the circuit board. Electrical static discharges
may cause damage to the board. Handle the AccuSoft circuit board by holding only the
edges of the circuit board. Keep replacement boards in their special anti-static bags until
ready for use. Mishandling of the circuit board will void the warranty.
4. The new circuit board can be installed by reversing the steps 1-3 above.
CAUTION: The wire connectors must be connected to the circuit board properly.
The wires must exit the plug-in connector opposite of the raised white base of the circuit
board connector.
Parts Replacement Guide
FIG. 4

PARTS REPLACEMENT GUIDE

19