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EPS fault diagnosis and solution
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Ref No
Trouble shooting
Possible causes
Repair procedures
No steering assist
to handlebar
Asymmetrical steer-
ing assist to left and
right turning
Steering swing
Low power steering
assist
Noise from system
Improper plug connection
Check the plugs and connections
Burnt fuse Replace fuse(30A)
Failure of Controller, Motor or sensor
Contact authorized dealer and repl-
ace the parts.
Improper voltage output from sensor
Contact authorized dealer for adjus-
tment or replacement
Controller, Motor or sensor break down
Contact authorized dealer and repl-
ace the parts.
Wrong connections at motor terminals
Change the terminal connection of
the red and black wire
Controller or sensor break down
Contact authorized dealer for parts
and replacement
Low battery
Recharge or replace battery
Motor break down.
Contact authorized dealer for repla-
cement
Low pressure with Front tires
Inflate tires to the required pressure
Motor break down.
Contact authorized dealer for repla-
cement
Steering system parts wear out and big
clearance exist.
Replace the related parts.
Im
proper assembly of steering column or
meichanical steering assembly parts
Check and tighten all of bolts.