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Service Manual
SUNNY BOY 3000TL / 3600TL / 4000TL / 5000TL /
6000TL
SB30-60TL-21-SG-en-11 | Version 1.1
AMERICAN ENGLISH

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Summarization of Contents

Document Information
Document Validity
Document applicability for specific Sunny Boy device types.
Target User Group
Defines the required skills for qualified persons performing tasks.
Symbols Used
Explains the meaning of various safety and informational symbols.
Component Nomenclature
Lists designations for components used throughout the document.
Safety
General Safety Information
General safety warnings and precautions for working with the inverter.
Safe Disconnection Procedure
Step-by-step procedure for safely disconnecting the inverter from power.
ESD Safety Precautions
Warning and procedure to prevent damage from static electricity.
Cleaning the Inverter
Cleaning Procedures and Warnings
Guidelines for cleaning the inverter and warnings about cleaning agents.
Troubleshooting
LED Status Indicators
Explains the meaning of different LED states for inverter operation.
Inverter Event Messages
Lists operational event messages and their corresponding causes.
Error Messages and Solutions
Details error codes, causes, and corrective measures for inverter faults.
PV System Ground Fault Checks
Ground Fault Voltage Testing
Procedure to test PV system strings for ground faults using voltage measurement.
Ground Fault Insulation Testing
Method to measure insulation resistance for detecting ground faults.
Varistor Functionality Check
Varistor Testing Procedure
Steps to check the conductive connection of varistors for proper function.
Replacing the Varistors
Varistor Replacement Procedure
Step-by-step guide for replacing defective varistors in the inverter.
Recommissioning the Inverter
Inverter Recommissioning Procedure
Instructions for reconnecting and starting up the inverter after disconnection.
Decommissioning the Inverter
Decommissioning and Removal Procedure
Steps for safely disconnecting, removing, and storing the inverter.
Spare Parts
Available Spare Parts List
Overview of spare parts with their brief descriptions and order numbers.
Contact Information
SMA Service and Support Contacts
Contact details for SMA technical support by region.

Table of Contents