Troubleshooting
312787G 13
Replace the Color Change Board
1. Remove electrical power from the system. Remove
the color change module cover (30).
2. See F
IG. 7 on page 12. Note where each cable is
connected, then disconnect all cables from the color
change board connectors (J7, J8, J9, J10, J11, J14,
J15, J16).
3. Remove the six mounting screws (16) and the board
(15).
4. Install the new board (15). Reinstall the screws (16).
5. Reconnect the cables to the proper connectors, as
noted in step 2.
6. Reinstall the cover (30). Restore electrical power to
the system.
Table 4: Color Change Board Diagnostics
LED
Connector
and Pin Nos.
Board 1 Signal
Description
Board 2 Signal
Description Diagnosis
D8 n/a Board OK Board OK Blinks (heartbeat) during nor-
mal operation.
D9 n/a Communication (yellow) Communication (yellow) Turns on when board is com-
municating with ProMix 2KS.
D10 J7 Power Power Turns on when power is sup-
plied to the board.
D27 J15, 5 & 6 Color 3 Color 16
D27 through D46 turn on when
ProMix 2KS sends a signal to
actuate the related solenoid
valve.
D28 J14, 3 & 4 Color 1 Color 14
D29 J8, 5 & 6 Color 6 Color 19
D30 J14, 1 & 2 Color 2 Color 15
D31 J8, 3 & 4 Color 7 Color 20
D32 J16, 3 & 4 Catalyst 4 Color 26
D33 J8, 1 & 2 Color 8 Color 21
D34 J9, 5 & 6 Color 9 Color 22
D35 J15, 3 & 4 Color 4 Color 17
D36 J14, 5 & 6 Solvent (Color) Color 13
D37 J10, 5 & 6 Catalyst 2 Color 28
D38 J16, 1 & 2 Catalyst 3 Color 27
D39 J16, 5 & 6 Color 12 Color 25
D41 J15, 1 & 2 Color 5 Color 18
D43 J9, 3 & 4 Color 10 Color 23
D44 J9, 1 & 2 Color 11 Color 24
D45 J10, 3 & 4 Catalyst 1 Color 29
D46 J10, 1 & 2 Solvent (Catalyst) Color 30
