Graco WB3000 Instructions - Parts Manual page 13

Diagnostic Mode
Diagnostic Mode includes four screens which display
gun data:
• Voltage (kiloVolts) Screen
• Current (microAmperes) Screen
• Alternator Speed (Hertz) Screen
• Low Voltage Lock Screen
NOTE: You must be in Operating Mode to adjust the
low voltage setting; the setting is not adjustable in
Diagnostic Mode. However, the voltage adjustment
switch (VA) can be set to HI or LO in Operating Mode
and Diagnostic Mode.
To enter Diagnostic Mode, press and hold the LO SET
(LS) button for approximately 5 seconds. The display
will go to the Voltage (kiloVolts) Screen, page
To advance to the next screen, press the LO SET
button again.
To exit Diagnostic Mode, press and hold the LO SET
button for approximately 5 seconds. The screen will
return to Operating Mode.
NOTE: If the gun is detriggered while in Diagnostic
Mode, the last screen viewed will be displayed when
the gun is retriggered.
NOTE: Diagnostic Mode cannot be exited
from the Low Voltage Lock Screen. See
Low Voltage Lock Screen, page 14
Voltage (kiloVolts) Screen
The Voltage (kiloVolts) Screen is the first screen to
appear after entering Diagnostic Mode. See Fig. 6,
and Table 1 on page 11. To enter this screen, press
and hold the LO SET button for approximately 5
seconds while in the Operating Mode.
This screen displays the spraying voltage of the
gun as a number (kV), rounded to the nearest 5 kV.
The two top right LEDs (VI) of the display panel
light, indicating that the Voltage (kiloVolts) Screen
is displayed. The display is a readout and cannot
be changed.
Press the LO SET button to advance to the
Current (microAmperes) Screen, page
and hold for approximately 5 seconds to return to
Operating Mode.
3A2497C
13.
for details.
13. Press
Figure 6 Voltage (kiloVolts) Screen
Current (microAmperes) Screen
The Current (microAmperes) Screen is the second
screen in the Diagnostic Mode. See Fig. 7, and Table
1 on page 11. To enter this screen, press the LO
SET button while in the Voltage (kiloVolts) Screen.
This screen displays the spraying current of the gun
as a number (uA), rounded to the nearest 5 uA. The
two bottom right LEDs (CI) of the display panel light,
indicating that the Current (microAmperes) Screen
is displayed. The display is a readout and cannot
be changed.
Press the LO SET button to advance to the
Alternator Speed (Hertz) Screen, page
and hold for approximately 5 seconds to return to
Operating Mode.
Figure 7 Current (microAmperes) Screen
Gun Overview
14. Press
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