Repair
Replacing Main Circuit Board
CAUTION
To avoid damaging circuit board, wear a grounding strap.
1.Remove User Interface cover. See page 16.
2.Disconnect all wire connectors from board (301). FIG. 3.
3.Remove four screws (302) and replace board (301).
4.Reassemble. Refer to Electrical Schematic, page 22.
5.Recalibrate system. See ProMix Easy Operation Manual.
NOTE: If the main control board is replaced on units that use a flow meter, the flow meter calibra- tion data must be set using a PC and a Data Download Kit (Graco P/N 248403 for hazardous locations or Graco P/N 248404 for
320
301
TI4561a
FIG. 3
309909H | 17 |
