Siemens ARCADIS Varic Operator's Manual page 449

Terminating the
service session
ARCADIS Varic
SPR2-310.620.30.02.02
If you end a remote service session while the service engineer is still working,
all currently active service programs will be terminated. This may cause the
ARCADIS Varic to be inconsistent or inoperable.
The service engineer is only notified that the session is going to be ended by you.
Check with the service engineer before you end the session.
Maintenance
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