Maintenance, Servicing And Faults - PowerWalker VFI 1000 TG Mode D'emploi

SERVICEABLE PARTS inside the UPS.
★ Remove the protective panel only after disconnecting the terminal
connections.

1.3 Maintenance, servicing and faults

★ The UPS operates with hazardous voltages. Repairs may be
carried out only by qualified maintenance personnel.
★ Caution - risk of electric shock. Even after the unit is disconnected
from the mains power supply (building wiring socket), components
inside the UPS are still connected to the battery which are
potentially dangerous.
★ Before carrying out any kind of service and/or maintenance,
disconnect the batteries. Verify that no current is present and no
hazardous voltage exists in the capacitor or BUS capacitor
terminals.
★ Batteries must be replaced only by qualified personnel.
★ Caution - risk of electric shock. The battery circuit is not isolated
from the input voltage. Hazardous voltages may occur between the
battery terminals and the ground. Verify that no voltage is present
before servicing!
★ Batteries have a high short-circuit current and pose a risk of shock.
Take all precautionary measures specified below and any other
measures necessary when working with batteries:
－ remove all jewellery, wristwatches, rings and other metal objects
－ use only tools with insulated grips and handles.
－ Wear rubber gloves and boots.
－ Do not lay tools or metal parts on top of batteries.
－ Disconnect the charging source prior to connecting or
disconnecting battery terminals.
★ When changing batteries, replace with the same quantity and the
same type of batteries.
★ Do not attempt to dispose of batteries by burning them. It could
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