
Table of Contents SMA Solar Technology AG
Maintenance ManualSCCP-JP-B1-WA-en-224
5.2.2 Reading Off Disturbance Messages via the User Interface .......................................................................... 30
5.2.3 Displaying the Event Report............................................................................................................................. 30
5.2.3.1 Enabling Automatic Read-Out of Events........................................................................................................ 30
5.2.3.2 Displaying and Downloading the Event Report............................................................................................ 30
5.3 Acknowledging Disturbance Messages......................................................................................................... 30
5.3.1 Acknowledging Disturbance Messages via the Key Switch ......................................................................... 30
5.3.2 Acknowledging Disturbance Messages via the User Interface..................................................................... 31
5.4 Remedial Action in Case of Disturbances...................................................................................................... 31
5.4.1 Inverter Behavior in Case of Disturbances ..................................................................................................... 31
5.4.2 Content and structure of the error tables........................................................................................................ 33
5.4.3 Error Numbers 01xx to 13xx - Disturbance on the Utility Grid .................................................................... 33
5.4.4 Error Numbers 34xx to 40xx - Disturbance on the PV Array ....................................................................... 34
5.4.5 Error Numbers 6xxx to 9xxx - Disturbance on the Inverter........................................................................... 36
5.4.6 Displaying Disturbance Messages for Active Power Limitation .................................................................... 39
5.4.7 Displaying Disturbance Messages for the Reactive Power Setpoint ............................................................ 40
6 Maintenance................................................................................................................................. 41
6.1 Safety during Maintenance ............................................................................................................................ 41
6.2 Maintenance Schedule and Consumables.................................................................................................... 42
6.2.1 Notes on Maintenance Work ......................................................................................................................... 42
6.2.2 Maintenance Work Every 24 Months............................................................................................................ 42
6.3 Repair Schedule and Spare Parts................................................................................................................... 43
6.3.1 Information on Repair Work............................................................................................................................ 43
6.3.2 Demand-Based Annual Repairs ...................................................................................................................... 43
6.3.3 Repairs every 10 Years ................................................................................................................................... 44
6.3.4 Repairs every 12 Years ................................................................................................................................... 44
6.4 Maintenance Work ......................................................................................................................................... 45
6.4.1 Maintenance work with supply voltage present ............................................................................................ 45
6.4.1.1 Checking the DC switchgear.......................................................................................................................... 45
6.4.1.2 Checking the AC Disconnection Unit............................................................................................................. 46
6.4.1.3 Checking the Fans........................................................................................................................................... 47
6.4.1.4 Checking the Heating Elements and Hygrostat ............................................................................................ 48
6.4.1.5 Checking the Function of the UPS.................................................................................................................. 49
6.4.2 Maintenance Work in Disconnected State..................................................................................................... 50
6.4.2.1 Performing the Visual Inspection .................................................................................................................... 50
6.4.2.2 Analyzing the Temperature Indicators........................................................................................................... 51
6.4.2.3 Cleaning the Ventilation Plate ........................................................................................................................ 52
6.4.2.4 Cleaning the Air Duct, Ventilation Grids and Air Intake............................................................................... 53
6.4.2.5 Cleaning the Interior ....................................................................................................................................... 55
6.4.2.6 Checking the Seals ......................................................................................................................................... 55
6.4.2.7 Checking the Latches, Door Stops and Hinges............................................................................................. 56
6.4.2.8 Checking the Inverter Surface........................................................................................................................ 57
6.4.2.9 Checking the Fuses/Disconnection Blades ................................................................................................... 58
6.4.2.10 Checking the Bolted Connections of the Power Cabling ............................................................................. 58
6.4.2.11 Checking the Surge Arresters......................................................................................................................... 59
6.4.2.12 Checking the Labels........................................................................................................................................ 60
6.5 Repair Work..................................................................................................................................................... 60
6.5.1 Reading off the Replacement Interval Meter.................................................................................................. 60
7 Periodic Actions ............................................................................................................................ 61
7.1 Mounting and Disassembly Work.................................................................................................................. 61
7.1.1 Disassembling and Mounting the Panels........................................................................................................ 61
7.1.2 Disassembling and Mounting the Protective Covers...................................................................................... 62
7.1.3 Disassembling and Mounting the Ventilation Grids....................................................................................... 63
7.2 Entering the Password via the Touch Display ................................................................................................ 64