Graco TI12552a - Easykey Display Board Diagnostics

Troubleshooting
22 312780K
EasyKey Display Board Diagnostics
See FIG. 8 and Table 3 to troubleshoot the EasyKey display board. Also see the EasyKey Electrical Schematic on
page 33 and the System Electrical Schematic on pages 34 and 35.
F
IG. 8: 255767 EasyKey Display Board
RT1
TI12924a
Analog In Common
Reset Alarm
Remote Stop
Input Common
Gun Trigger
Flow Control Calibrate
Analog In Signal Potlife Alarm Output Common General Alarm
J4
J9
J8J7
J1
D11
D7
TI12923a
Multiple Station
Integration Control
GNDGND A B
A B
BK885 or CR1220 Battery
(3V, 12.5 mm, lithium coin)
R5
P1
J6
J5
J10