Graco HydroShield Instructions Manual page 83

Table 9 9 9 Color Color Change Change Board
Table Table Color Change
Description
Component or or or Component Component Description Description
Indicator Indicator Indicator
D8 LED (green)
D9 LED (green)
D10 LED (yellow)
D27–D39, LED (green)
D41, D43–D46
Fuse, .500 A,
F1
125 V
3A7370C
Board Diagnostics Diagnostics
Board Diagnostics
Diagnosis
Diagnosis Diagnosis
Blinks (heartbeat) during normal operation.
Turns on when power is supplied to the board.
Turns on when board is communicating with electronic control.
Turn on when a signal is sent to actuate the related solenoid valve.
Used on the 25D312 board. This board is used in the electronics control
(14) and the color change control module 25D313-25D327.
Troubleshooting
83