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3.3.5. Indicators
These indicators are visible from the front ofthe appliance through the light guides, thereby allowing operation of
the appliance to be monitored.
4. EQUIPMENT MAINTENANCE AND REPAIRS
4.1. OVERVIEW
This paragraph deals with equipment maintenance and repairs. Proper operation ofthe product and its service life
are dependent on strict compliance with the following recommendations.
4.2. EQUIPMENT MAINTENANCE
Disconnect the battery charger from the AC network before starting any maintenance work.
Ifappliances are in a dusty atmosphere, vacuum-clean them regularly, since dust deposits may adversely affect
heat release.
Check the state ofbattery charge every 3 months.
The tightness ofnuts and screws should be checked annually to ensure efficient operation ofthe appliance
(particularly in hostile conditions: vibrations, shocks, high variations in temperature etc.).
A full technical inspection by a CRISTEC-accredited engineer is recommended every five years. It can also be
done at our plant.
4.3. EQUIPMENT REPAIRS
Disconnect the battery charger from the AC power network and disconnect the batteries before undertaking any
repairs.
When fuses have blown, only use fuses ofthe type and size recommended in this manual.
Please contact a reseller or CRISTEC for any other repairs.
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