Varta element 3 Instruction Manual page 7

9.4.4 Grid parameters NA protection ............................... 83
9.4.5 Logging out ............................................................. 85
Maintenance ................................................................................ 86
10 Maintenance basics ........................................................ 86
10.1 Safety instructions ....................................................... 86
10.2 Scope of maintenance ................................................. 87
11 Service and repair work .................................................. 88
11.1 Checking the storage cabinet from outside ................. 88
11.1.1 Checking the storage cabinet from outside ............ 88
11.2 Checking the system parameters ................................ 89
11.2.1 Checking the online status (Service) ...................... 89
11.2.2 Error history (Service) ............................................. 89
11.2.3 Checking the software version (Service) ................ 90
11.2.4 Software update (Service) ...................................... 91
11.2.5 Air filter change: Resetting the time (Service) ........ 91
11.2.6 Checking the fan (Service) ..................................... 92
11.2.7 Checking the current sensor values ....................... 93
11.2.8 Checking the battery chargers ................................ 94
11.2.9 Checking the battery modules ................................ 94
11.2.10 Discharging the battery modules ............................ 95
11.3 Service and repair: cabinet interior.............................. 96
11.3.1 Opening the cabinet ................................................ 97
11.3.2 Remove battery inverter.......................................... 97
11.3.3 Removing and installing the battery charger .......... 98
11.3.4 Removing and installing battery modules ............. 100
11.3.5 Replacing/cleaning the air filter ............................. 102
Subject to alteration! Updated 11/2015 7