KEEWAY F-ACT EVO Instruction & Maintenance Manual page 34

Failure diagnosis procedure when the steering lamp does not work
Some steering lamps on one
side do not work
Remove the steering lamp
cover and check if the bulb of
steering lamp is burnt out
Yes
Use the voltmeter
Replace
to measure the
the bulb
voltage between
of
the lamp stand
steering
power
lamp
contact
negative pole
Voltage No
indicates indicates
The lamp stand is The power
grounded line
improperly or the lamp
connection stand
between steering broken
lamp bulb and
lamp stand is in
bad contact
Disconnect the insert connector of steering lamp switch, use
a lead to short-circuit the power input lead of the steering
lamp switch with the power leads connecting to left and
right steering lamps respectively
The steering lamp will
work after short-circuiting
The internal contact of
steering lamp switch is in
bad contact
The steering lamp does not work
Steering lamps on one side do not work
Remove the steering lamp
cover and check if the bulb of
steering lamp is burnt out
No Yes
Replace
the bulb
of steering
lamp
line
and
Yes
voltage
The output
power line
on the
failure side
of
is broken or
the lamp
is
stand is
grounded
improperly
The steering lamp still does not work after
short-circuiting
Testing lamp works
The power lead of the steering
lamp is broken or short-circuited
No
Disconnect the
The electric horn
steering lamp switch
sounds loudly
insert connector, use
the ohmmeter to test
if the failure side of
The
steering lamp switch
supply in storage
has been solved
battery
No
insufficient
The internal
contact of
steering lamp is
in bad contact
No
Toggle the steering lamp switch,
use one lead or screwdriver to
short-circuit the two
scintillator
The steering lamp still does not work after
short-circuiting
Use lamp-testing method to check if there is power output
from the power input lead of the steering lamp switch
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All the steering lamps do not work
Press the horn button to check the
working condition of electric horn
The electric horn
does not sound or
sounds raucously
electricity The electricity supply
in storage battery is
is insufficient
Remove the steering lamp cover
and check if the bulb of steering
lamp is burnt out
Replace the steering
lamp bulb, at the
lugs of
same time check if
the
regulator works well
The steering lamp will
work after short-circuiting
The scintillator
is damaged
Testing lamp does not work
The line from ignition switch to
scintillator or the line
scintillator to steering lamp switch
is broken or short-circuited
Yes
commutation
from