E. MAINTENANCE
In view of the necessary precautions and the risks involved, any maintenance operations, including those
concerning battery or fuse replacement, should be left to qualified personnel only.
This warning applies particularly to adjustment of the unit, which should be carried out under precise
conditions.
E.1 Opening/Closing the Unit
WARNING: If a maintenance procedure requires the unit cover to be opened, ALWAYS disconnect all
of the links with external circuits as well as the mains cord if the unit is charging. Make sure that the
unit is switched off.
Remove the four screws located under the unit.
Remove the unit from the case.
Turn the unit over (battery pack upwards).
"Measurement" board:
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