E-TON EV3 E-MO Service Manual page 46

INSTRUMENT PANEL
Instrument
panel line
Panel connector
Main wiring
connector
Instrument panel
check tools
b. After the instrument panel check tools are connected
(move the panel and the 3 pin connector of main
wiring and connect with the instrument panel check
tools and panel connector), according to the instrument
panel check tools instruction check whether the
instrument panel can function regularly. If the
instrument panel can't function regularly, the panel
instrument shall be replaced.
c. If the panel instrument can function regularly, use
the electricity meter to measure electricity + (brown/
white), - (black/white)electricity voltage at two ends
of main wiring terminal of 4-Pin connector. Check
whether electricity voltage of main wiring 12 V can
function regularly. If the electricity voltage of main
wiring 12 V functions irregularly, check the main
distribution wirings.
Instrument panel check tools
SC7200-EGC2-0FG1
Failure status 2
• There appears broken or uneven-shading words
on LCD after booting.
a. Connect the instrument panel check tool to confirm
whether the panel instrument can function regularly.
If the instrument panel functions irregularly, it is
necessary to replace with a new instrument panel.
Failure status 3
• After booting, instrument panel LCD backlight is
insufficient or irregular.
a. Connect the instrument panel check tool to confirm
whether the panel instrument can function regularly.
If the instrument panel functions irregularly, it is
necessary to replace with a new instrument panel.
Failure status 4
• After booting, the instrument panel LCD functions re-
gularly but the beeper doesn't sound or sound irregularly.
a. Check beeper connection wire or connector is installed
properly. Make sure the installation is completed
properly.
b. When poor contact is confirmed but beeper still sound
irregularly, the beeper shall be replaced.
Failure Status 5
• After booting, LCD still keeps on displaying booting
screen and can't enter into standby screen.
a. Check 4-pin connector is installed properly.
Make sure the connector is installed properly.
b. Connect the instrument panel check tool and check
whether the instrument panel can function regularly.
If the instrument panel functions irregularly, it is
necessary to replace with a new instrument panel.
c. If the instrument panel can function regularly, and
the wiring connector is installed properly, it is necessary
to check whether the controller can function regularly.
Please refer to testing steps for the controller.
Failure status 6
• In booting screen, press the left button but it is always
unable to enter into the riding screen.
a. Check 4-pin connector is installed properly.
Make sure the connector is installed properly.
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CONT