3-1
3. MAINTENANCE
3.1 Preventative Maintenance
The following preventative maintenance and checks are important for good perfor-
mance.
3.2 Troubleshooting
This section covers possible problems which may arise while using the SCX-20 and
how to address each problem.
Item to check Points to check Remedy
Connectors Check that the connec-
tors are firmly connect-
ed.
Reconnect loosened cables.
Cable run
(cabling)
Visually check the cables
for wear and tear or dam-
age.
Consult your dealer for cable replacement.
Cover Cleanliness of the cover Dust can be removed with a soft cloth. Do
not use chemical-based cleaners or sol-
vents as they can remove paint/markings
and cause the cover to deform.
Problem Possible cause Remedy
Data is not received from
the SCX-20.
Cable is disconnected,
damaged, or faulty.
Check the SCX-20 cable
connectors are firmly con-
nected. Check that the ca-
ble is not damaged or
severed. Also confirm that
the CAN bus is powered
and functioning normally.
Contact your local dealer
for service as required.
Incorrect settings at the dis-
play.
Refer to the Multi-Function
Display unit’s manual and
adjust the settings as re-
quired.
Data (heading, etc.) shown
on the screen is not correct.
• Offsets not applied at in-
stallation, or not applied
correctly.
• Check that the antenna
location is proper.
• Check the incorrect item
against other equipment
by sight. Adjust the off-
sets as required.
Position data is not re-
ceived.
GLONASS is set for ANT 4. GLONASS is NOT applied
to ANT4. For GLONASS,
select ANT1 to ANT3.
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