Graco 3A0868G Power Roller User Manual


 
Setup Mode Details
3A0868G 47
Troubleshooting System Inputs (Screen 35)
From Setup Home (Screen 17) with Troubleshooting
active, press to display Troubleshooting System
Inputs (Screen 35). An X displays in the box to indicate if
Pump B is up or down, if Pump A is up or down, if Air
Flow Switch 1 or 2 is on, and if the gun is in the Gun
Flush Box. This screen also displays the pressure of
Pump A and Pump B. The fields relating to meter func-
tion can be ignored.
Press , then again to move to Trouble-
shooting System Outputs (Screen 37). Press to
move to the Membrane Test (Screen 36).
Membrane Test (Screen 36)
From Setup Home (Screen 17) with Troubleshooting
active, press , then again. Membrane Test
(Screen 36) displays. You could also press , then
again. This screen allows an authorized user to test
the buttons on the Display Module membrane. When in
this screen, all buttons lose their predefined functions,
and the soft keys are not defined. When a properly
working button is pressed, an X appears in the box.
Press three times to return to Setup Home
(Screen 17). Direct access to any other screen is
not possible.
Troubleshooting System Outputs
(Screen 37)
From Setup Home (Screen 17) with Troubleshooting
active, press to display Troubleshooting System
Outputs (Screen 37). An X displays in the box to show
an electrical state of On for the dose valves B and A1
(A2 and A3 are used only for meter systems), solvent
valves (B and A), the gun flush box, and the alarm.
Press to start Forced Mode. A second set of check
boxes displays. Use to highlight an output to
test. Manually actuate the valve, alarm, or gun trigger
corresponding to the highlighted box. For properly work-
ing components, an X will display in the second box
upon actuation. Press to exit Forced Mode. Moving
to any other screen also will exit Forced Mode.
F
IG
. 46. Troubleshooting System Inputs (Screen 35)
F
IG
. 47. Membrane Test (Screen 36)
Pump B
up or
down
Pump A
up or
down
Gun in Gun
Flush Box
Air Flow
Switch on
Pump
Pressures
Meter
Pulses
(not used)
F
IG
. 48. Troubleshooting Screen Outputs (Screen 37)
Start
Forced
Mode
Stop
Forced
Mode
Dose
Valves
Solvent
Valves
Gun
Trigger
Alarm