12 System Maintenance........................................................................................................171
12.1 System Power-O............................................................................................................................................................ 172
12.2 Routine Maintenance..................................................................................................................................................... 172
12.3 Troubleshooting................................................................................................................................................................ 173
12.4 Battery Storage and Charge......................................................................................................................................... 193
12.5 Storage with Low SOC................................................................................................................................................... 196
12.6 Battery SOH Check.......................................................................................................................................................... 196
13 FAQs..................................................................................................................................... 198
13.1 How Do I Upgrade the Device Software Version?................................................................................................ 198
13.2 Tools for Preparing PV Cables......................................................................................................................................199
13.3 Special Cables....................................................................................................................................................................199
13.4 Removing Power Terminals.......................................................................................................................................... 200
13.5 Power-On............................................................................................................................................................................ 200
13.6 SOC Changes..................................................................................................................................................................... 200
13.7 Checking Cable Connections When the Product Fails to Be Upgraded........................................................ 200
13.8 WiFi QR Code Scanning................................................................................................................................................. 200
13.9 Querying the Battery Capacity in Parallel-System Scenarios........................................................................... 200
13.10 Problem Handling......................................................................................................................................................... 201
13.11 Resetting Passwords..................................................................................................................................................... 201
A Technical Specications.................................................................................................... 202
A.1 ESS........................................................................................................................................................................................... 202
A.2 Power Module..................................................................................................................................................................... 205
A.3 Battery Module................................................................................................................................................................... 206
A.4 AC Parallel Box.................................................................................................................................................................... 206
B Preparing Cables and Terminals......................................................................................207
B.1 Preparing a Cord End Terminal..................................................................................................................................... 207
B.2 Preparing an OT Terminal............................................................................................................................................... 207
B.3 Preparing a PV Input Power Cable............................................................................................................................... 208
B.4 Stripping Length................................................................................................................................................................. 209
C Contact Information...........................................................................................................211
iSitePower-M (MAP05A1, MAB05B1)
User Manual Contents
Issue 06 (2023-04-24) Copyright © Huawei Digital Power Technologies Co., Ltd. viii