SMA STP 15000TL Service Manual - Manual (Page 3)

Table of Contents
1 Information on this Document ................................................. 4
1.1 Validity ................................................................................................ 4
1.2 Target Group...................................................................................... 4
1.3 Symbols .............................................................................................. 4
1.4 Nomenclature..................................................................................... 5
2 Safety......................................................................................... 6
2.1 Safety Information.............................................................................. 6
2.2 Disconnecting the Inverter from Voltage Sources ............................ 7
3 Cleaning the Inverter................................................................ 9
4 Troubleshooting ........................................................................ 10
4.1 LED Signals ......................................................................................... 10
4.2 Event Messages ................................................................................. 10
4.3 Error Messages .................................................................................. 11
5 Cleaning the Fans ..................................................................... 23
5.1 Cleaning the Fan at the Bottom......................................................... 23
5.2 Cleaning the Fan on the Left-Hand Side of the Enclosure ............... 24
6 Checking the Function of the Fans........................................... 27
7 Checking the PV System for Ground Faults............................ 28
8 Checking the Function of the Varistors.................................... 31
9 Replacing the Varistors ............................................................ 33
10 Checking the Function of the Surge Arresters ........................ 34
11 Replacing the Surge Arrester................................................... 36
12 Recommissioning the Inverter.................................................. 38
13 Decommissioning the Inverter ................................................. 40
14 Spare Parts ................................................................................ 42
15 Contact....................................................................................... 43
Table of Contents SMA Solar Technology AG
Service Manual 3 STP15-17TL-10-SG-en-10