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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 81
7.3 LEDs behaviour 86
7.4 Connection to Web User Interface 88
7.4.1 Access to the Web User Interface 88
7.4.2 Web UI - Login page 88
7.5 Web User Interface menu structure 89
7.5.1 MAIN menu 89
7.5.2 SETTINGS menu 90
7.5.3 INVERTER LOG menu 93
7.5.4 USER menu 94
7.5.5 CONNECTIVITY menu 94
7.5.6 SERVICE TOOLS menu 98
7.5.7 INFORMATION menu 99
8. Maintenance 100
8.1 General conditions 100
8.2 Inverter total de-energization and safe access 100
8.2.1 Operator and maintenance personnel skills/prerequisites 100
8.2.2 Clothing and protection of personnel 100
8.2.3 Safety equipment and tools 100
8.2.4 Inverter total de-energization and safe access procedure 101
8.3 Routine maintenance 112
8.3.1 Recommended replacement intervals of components 112
8.4 Replacing of fan sections 113
8.4.1 Replacing of the sides fan section 113
8.4.2 Replacing the internal fan section 114
8.5 Replacing the AC surge arrester cartridge 115
8.6 Replacement of the MEMORY board 116
8.7 Replacement of the COMM RS485 board 117
8.8 Replacement of the buffer battery 118
8.9 Procedure for dismantling the equipment 119
8.10 Troubleshooting 120
8.10.1 Web User Interface and wireless communication troubleshooting 120
8.10.2 Alarm Messages of the Inverter 122
8.10.3 Power limitation messages 130
8.11 “Registration website” and “Admin Plus token” 131
8.12 Verification of ground leakage 132
8.12.1 Behaviour of a system without leakage 132
8.12.2 Behaviour of a system with leakage 132
8.13 Measuring the isolation resistance of the PV generator 133
8.14 Storage and dismantling 134
8.14.1 Storage of the equipment or prolonged stop 134
8.14.2 Dismantling, decommissioning and disposal 134
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