SMA 20000TL 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................................................................ 10
4 Retrofitting the Surge Arrester Type II .................................... 11
5 Troubleshooting ........................................................................ 12
5.1 Event Messages ................................................................................. 12
5.2 Error Messages .................................................................................. 13
6 Cleaning the Fans ..................................................................... 22
6.1 Cleaning the Fan at the Bottom......................................................... 22
6.2 Cleaning the Fan on the Left-Hand Side of the Enclosure ............... 23
7 Checking the Function of the Fans........................................... 26
8 Checking the PV System for Ground Faults............................ 27
9 Checking the Function of the Surge Arresters ........................ 30
10 Replacing the Surge Arrester................................................... 32
11 Recommissioning the Inverter.................................................. 34
12 Procedure for Receiving a Replacement Device .................... 37
13 Decommissioning the Inverter ................................................. 41
14 Spare Parts ................................................................................ 43
15 Contact....................................................................................... 44
Table of Contents SMA Solar Technology AG
Service Manual for Installers 3 STP20-25TL-SG-en-11