and start-up
3.3.4 Safety instructions for electrical systems
Danger of death!
Never touch the HV wires or HV connections without ensuring the absence of voltage
beforehand!
The device may only be connected by a qualified electrician!
Safety installations must never be bypassed or circumvented! Any resulting malfunctions could
have life threatening consequences!
Never open the device without authorisation! Opening the device (sealed housing) voids any
guarantee and warranty rights immediately!
When working on an HV grid, the following 5 safety rules must generally be strictly
adhered to:
Disconnect the system from the voltage supply.
Switch off the ignition (if applicable)
Remove the service / maintenance plug and/or turn off the battery main switch
(if applicable)
Remove the fuse (if applicable)
Ensure that the system cannot be restarted.
Keep the ignition key safe in order to prevent unauthorised access (if applicable)
Keep the service / maintenance plug safe in order to prevent unauthorised access and/or
use lockable covers to ensure that the battery main switch cannot restart.
(if applicable)
Ensure that the device is de-energised by means of a suitable voltage tester (note voltage
range!)
Earth and short-circuit the system.
Cover or seal off adjacent live parts.