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Maintenance
9.4 Inspection and maintenance
Maintenance
Replace the water soften‐
er / ion exchanger
Replace the microfilter.
Clean the sieve
Check the software.
Test the insulation (test
mode for the Bender insula‐
tion measuring device)
Inspect the motor and trans‐
former.
Check the spare parts.
9.4.3
Cleaning
NOTICE
Damage caused by aggressive cleaning agents
Aggressive chemical agents can damage the electronics. This can result in malfunction.
Never use any type of chemical agent or liquid.
● Only remove severe dirt and contamination after prior consultation with service experts for
Use a dry, clean, lint-free ESD cleaning cloth. Wipe all external parts of the rack with it. Make
sure that the dirt is not distributed, but actually removed by constant changes of the wiping
surface of the cloth. For significant levels of pollution and dirt, use an ESD cloth soaked in ethyl
alcohol (however, not so much that it drips from the cloth).
138
Carried out by:
Operator
Operator
Siemens serv‐
ice personnel
Siemens serv‐
ice personnel
Siemens serv‐
ice personnel
Siemens serv‐
ice personnel
the particular product.
Frequency
When required (but af‐
ter a maximum of two
years).
When the water soften‐
er is replaced.
As required
Whenever parameters
are changed
and then every 5 years.
Every two years
See the applicable
servicing instructions
Annually
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE
Comments
See the specifications in the op‐
erating manual.
If necessary reorder spare parts
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