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Maintenance
9.1 Safety instructions for maintenance
Danger to life as a result of a hazardous voltage at the anti-condensation heating
The anti-condensation heating system is used when the device is switched off during non-
operational periods or when maintenance work is being carried out. For this reason, the heating
is supplied with voltage from a separate line supply. When the power supply voltage for the anti-
condensation heating is connected – also for an EMERGENCY OFF or when the main switch
is open – a hazardous voltage is still present. This voltage can cause serious injury.
● The five safety rules must be observed.
Risk of burns due to hot anti-condensation heating surface
When the temperature control limit value is reached the anti-condensation heating is switched
on. Once activated, the anti-condensation heating can generate a great deal of heat. Contact
can result in serious injury, such as skin burns.
● Ensure that the anti-condensation heating cannot be touched.
● Ensure that the anti-condensation heating is switched off before carrying out any repair or
Injury when falling
When climbing onto the cover of the anti-condensation heating there is a risk of injury.
● Therefore, do not use the anti-condensation heating system to help you get to the top of the
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.
Damage caused by foreign bodies
If foreign bodies are left in the device after installation and maintenance work, this can cause
damage when the device is switched on.
● Before switching on, check as to whether there are any foreign bodies in the device.
Damage due to contamination and dirt
Contamination and dirt can damage the device.
● Visually inspect the equipment at least once per year. For more information, please refer to
● Dust deposits inside the cabinet unit must be removed at regular intervals (or at least once
170
maintenance work.
cabinet.
Remove any foreign bodies.
the section "Visual inspections".
a year) by qualified personnel in line with the relevant safety regulations.
SINAMICS GM150 6SL3810-2LN31-8AA2
Operating Instructions Rev.201910281332 EXAMPLE
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