7.5 TROUBLESHOOTING
DANGER ! RISK OF INJURY DUE TO ELECTRIC SHOCK.
BEFORE ANY TROUBLE SHOOTING, SWITCH OFF THE PRODUCT.
Problems
No engine stop
No engine start
Vibration
Excessive noise
The engine lacks
of power
Probable causes
The OFF switch is
defective
The trigger system is
defective
The power cable is
defective
The power cable is
defective
The trigger is defective
The motor protection
has blocked the machine
because of overload
The switch is on OFF
position
The security know is not
well tight
Nuts / screws are not
well tight
Nuts / screws are not
well tight
The blade is not enough
set
The carbon brushes are
about to be consume
The carbon brushes
spring is not enough
strong
185
Solutions
Test it and change it by
a new one
Test it and change it by
a new one
Check the integration
of the power cable
Change the power
cable
Change the trigger
Wait a few minutes
for the engine to cool
down
Put the switch on ON
position
Keep tightening it
Screw the nut(s) /
screw(s)
Screw the nut(s) /
screw(s)
Screw the nut(s) /
screw(s)
Change carbon
brushes/spring/
support
Change carbon
brushes/spring/
support
Qualification
AFTER SALES
SERVICE
CUSTOMER
AFTER SALES
SERVICE
CUSTOMER
CUSTOMER
CUSTOMER
AFTER SALES
SERVICE
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