Operating Instruction C 4/36-MC4 (01)

*2114856*
2114856 English 9
Malfunction Possible cause Action to be taken
A battery is in the
charger: the charge
state display on the
battery and charge
status LED on the
charger don’t light.
The battery may be
faulty.
▶ Remove the battery
from the charger. If
no LED lights on the
battery after activation
of the charge state
display, the battery
is faulty. Have the
battery checked by
Hilti Service.
The battery temper-
ature LED on the
charger blinks.
The battery is too hot
or too cold: the battery
doesn’t charge.
▶ The charger switches
automatically to
charging mode as
soon as the battery
reaches the required
temperature.
The supply voltage
LED on the charger
doesn’t light
Charger malfunction. ▶ Unplug the charger
and then plug it back
in. If still no LED
lights, please return
the charger to Hilti
Service.
7 Care and maintenance
WARNING
Risk of injury with battery inserted !
▶ Always remove the battery before carrying out care and maintenance
tasks!
Care and maintenance of the tool
• Carefully remove stubborn dirt.
• Clean the air vents carefully with a dry brush.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning
agents containing silicone as these can attack the plastic parts.
Care of the Liion batteries
• Keep the battery free from oil and grease.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning
agents containing silicone as these may attack the plastic parts.
• Avoid ingress of moisture.
Maintenance
• Check all visible parts and controls for signs of damage at regular intervals
and make sure that they all function correctly.
Printed: 18.03.2019 | Doc-Nr: PUB / 5253186 / 000 / 07