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4. Maintenance
4.1 Maintenance Safety Instructions
Maintenance Personnel
Risk of electric shock
No matter the UPS is connected to the mains power or not,
the output may have electricity. The parts (battery, capacitor) inside
the unit may still have hazardous voltage after turning off the UPS.
Make sure to disconnect the batteries before carrying out
any kind of maintenance or repair. The battery may result in
electrical shock.
Verify that no voltage between the battery terminals and the
ground is present before maintenance or repair. In this product, the
battery circuit is not isolated from the input voltage. Hazardous
voltages may occur between the battery terminals and the ground.
Verify that no hazardous voltage exists in the energy storage
capacitor before maintenance or repair.
Please read the following safety instructions before
maintenance!
This product must be maintained only by qualified
professional personnel accord to safety instructions!
