Maintenance
9
9.1
Safety instructions for maintenance
When carrying out any work, carefully observe the information provided in Chapter "Safety
instructions (Page 11)".
Danger due to improper maintenance and repairs
Improper repairs can result in death and serious physical injury.
• Only qualified maintenance and installation personnel may perform repairs.
Danger due to defective seals
When working on the device, seals at the doors, roof panels as well as front, rear and side panels
can be damaged. Operation with defective seals can result in death, serious injury or material
damage.
• Replace the defective seals before commissioning.
• Observe the environmental conditions stated in the technical data.
Danger due to high voltage
The drive is not disconnected from the line supply when activating the "Two-channel firing pulse
inhibit" function. Dangerous voltages of over 1000 V are present on the motor and drive
converter. High voltages can cause death or serious injury if the safety rules are not observed or
if the equipment is handled incorrectly.
• Isolate the electrical equipment from the line supply at the main switch when it breaks down
or stops, or when it needs to be serviced, repaired or cleaned.
• Do not carry out any work on electrical connections without first applying all of the necessary
protective measures. Observe the 5 safety rules before undertaking work on the equipment.
Electric shock caused by externally connected high voltages
Magnetizing and demagnetizing equipment that is fed from an external voltage source can
result in high voltages. This voltage can result in death or serious injury.
• Carefully comply with the 5 safety rules.
• Ensure that no voltage from external feeds exists before commencing maintenance and
repair work.
3rd Party LCI Control Upgrade
Operating Instructions, 02/2022, A5E31872818
113
