KEEWAY F-ACT EVO, Instruction & Maintenance Manual

Page: 32 / 156

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Failure diagnosis procedure when the bulb of lamp is easily burnt out
The bulb of lamp is easily burnt out
Turn on the ignition switch, press the horn button or toggle the turn signal
switch
The electric horn does not sound or
sound raucously, and the light of
turn signal is pale
The sound of the electric horn is
loud and the light of turn signal
is bright
1. Check if the terminal connecting the
storage battery is on poor contact
2. Check if the electrolyte in the storage
battery is insufficient
3. Check if electrolyte concentration in
the storage battery is too low
4. Check if the polar plate in the storage
battery is sulfurized or short-circuited
Remove the insert connector between the
commutation regulator and the complete vehicle
cable, and use the ohmmeter to measure that if the
wires from magnetor lighting charge coil to
commutation regulator are broken
Place the multimeter in the 0V~20V DC
voltage, measure the voltage of the insert
connector to the conductor terminal of
storage battery (generally red wire or
red/white wire) and negative pole
Connect
No voltage indicates Voltage indicates
The leads from the insert connector to the
storage battery are broken
Check if the commutation regulator fails