Siemens SINAMICS PERFECT HARMONY GH150 Operating Instructions Manual page 91

Maintenance
When carrying out any work, carefully observe the information provided in Chapter "Safety
instructions (Page 15)".
9.1 Safety instructions for maintenance
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.
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
Damage due to non-authorized spare parts
Using non-approved spare parts can affect the function of the equipment and damage it. Third-
party spare parts and unapproved spare parts may not meet the requirements.
● Only use spare parts that have been approved by the manufacturer.
SINAMICS PERFECT HARMONY GH150 6SL3825
Operating Instructions 05/2020
repair work.
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