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7. Operation 77
7.1 General conditions 77
7.2 Commissioning 77
7.2.1 Commissioning via Installer for Solar Inverters mobile APP 77
7.2.2 Commissioning Via Web User Interface - Wireless connection 82
7.3 LEDs behaviour 88
7.4 Connection to Web User Interface 90
7.4.1 Access to the Web User Interface 90
7.4.2 Web UI - Login page 91
7.5 Web User Interface menu structure 91
7.5.1 MAIN menu 92
7.5.2 SETTINGS menu 92
7.5.3 INVERTER LOG menu 97
7.5.4 USER menu 97
7.5.5 CONNECTIVITY menu 98
7.5.6 SERVICE TOOLS menu 102
7.5.7 INFORMATION menu 104
8. Maintenance 105
8.1 General conditions 105
8.2 Inverter total de-energization and safe access 105
8.2.1 Operator and maintenance personnel skills/prerequisites 105
8.2.2 Clothing and protection of personnel 105
8.2.3 Safety equipment and tools 105
8.2.4 Inverter total de-energization and safe access procedure 106
8.3 Routine maintenance 121
8.3.1 Recommended replacement intervals of components 121
8.4 Replacing of fan sections 122
8.4.1 Replacing of the sides fan section 122
8.4.2 Replacing the internal fan section 123
8.5 Replacing the AC surge arrester cartridge 124
8.6 Replacement of the MEMORY board 125
8.7 Replacement of the COMM RS485 board 126
8.8 Replacement of the buffer battery 127
8.9 Procedure for dismantling the equipment 128
8.10 Troubleshooting 129
8.10.1 Web User Interface and wireless communication troubleshooting 129
8.10.2 Alarm Messages of the Inverter 131
8.10.3 Power limitation messages 139
8.11 “Registration website” and “Admin Plus token” 140
8.12 Verification of ground leakage 142
8.12.1 Behaviour of a system without leakage 142
8.12.2 Behaviour of a system with leakage 142
8.13 Measuring the isolation resistance of the PV generator 143
8.14 Storage and dismantling 144
8.14.1 Storage of the equipment or prolonged stop 144
8.14.2 Dismantling, decommissioning and disposal 144
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