Graco Magnum TrueAirless ProX19 Owner's Manual page 42

Troubleshooting
Problem
ON/OFF switch does not illuminate
when pressed.
ON/OFF switch is constantly illumi-
nated (does not turn off).
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42
Cause
Indicates battery is not installed, has
insufficient charge, or is damaged.
Control board is damaged.
Power switch is damaged.
Control board is damaged.
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Solution
Install battery correctly, ensure
battery is fully charged, or replace
battery.
Replace control board.
Replace power switch.
Replace control board.
3A9019A EN