Operating Manual

Service and maintenance activities
Version 1.1 Page 82 of 92
7 Service and maintenance activities
General information
The manufacturer recommends a regular annual maintenance of the battery system.
Check the following points while doing this:
• Operate the battery with the current firmware
• Battery has not external damage
• Air circulation outside and inside the battery is possible without any problem.
• Air suction is clean and freely accessible
• Histogram of temperature progressions is not problematic and within the permissible temperature range of
the battery (see section 5.2)
A deviation from normal operation is shown by the battery indicator of the inverter. The battery has an independent
error memory that can be read by an expert authorised by BMZ GmbH.
If you have any queries regarding this, please contact BMZ Service.
BMZ Service Centre
If you have queries regarding the BMZ ESS 7.0 system or require help, you can always contact the BMZ Service Centre.
Business hours
Monday to Friday 08:00 hours to 17:00 hours
Saturday, Sunday and holidays: Closed
Contact:
Service telephone [phone]
Fax [phone]
Website: http://www.bmz-gmbh.de
Email: [e-mail]