GVM -680RS Manual page 18

PERAWATAN
Do not put the product in a highly humid, strong electromagnetic field,
direct sunlight, high-temperature environment. If not use the product for a
long time, disconnect the power and take out the battery.
Clean： Clean：Before clean, disconnect the power plug. And use wet cloth rather than any
detergent or soluble liquid, avoiding damaging the surface layer.
Power： Power：Make sure the power is in the demanded range, not too high or too low. Correctly
load the battery, in order not the damage to machine.
Repairing：If there is fault or performance degradation, do not unpack the shell by Repairing：
yourself, avoiding damage the machine and lose the right of maintenance. When there
is a fault, do not hesitate to contact us, and we will do our best to deal with the problem.
Accessories： Accessories：Please use the accessories provided by manufacturer and approved
ones, in order to maximize the performance.
Guarantee： Guarantee：Do does not modify the product, or you will lose the right of maintenance.
SIMPIE FAULTS
AND TROUBLESHOOTING
Phenomenon
①
The switch
indicator
②
does not light up
Check the product
Check the matching power
adapter indicator light up
or not.
When using lithium battery,
make sure there's no "low
power" protection.
Make sure the adapter is well
contacted with the power plug.
Charge the battery before using
it.
16
Solution