EI Inverter (EU) – Tigo Help Center

How to Manually Update EI Inverter and Battery (EU) Firmware

Installers can manually update firmware with a USB flash drive using a .zip file provided by their Tigo support team. If your firmware is significantly out-of-date, you may need to update it to an ... See more

How to Configure Partial-Home Backup (EI Solution EU Only)

This article pertains to EI Residential (EU) installations only. Whole-Home and Partial-Home Backup A typical Tigo EI Residential Solar Solution installation provides whole-home backup. The EI syst... See more

How to Connect to a Ripple Control Receiver (RCR) for Load Management

EI Inverters (EU) support load management by grid operators using ripple control. This feature requires: EI app version 4.9.7 or higher CCA software version 3.6.3 or higher How It Works Install... See more

How Efficient is EI (EU) Inverter Maximum Power Point Tracking (MPPT)?

All Tigo EI Inverters consistently exceed 99% MPPT efficiency. This includes: Tigo single-phase inverter models - TSI-3K1D, TSI-5K1D, and TSI-6K1D Tigo three-phase inverter models - TSI-6K3D, TSI-... See more

What are the maximum power imbalance ratios for three-phase EI Inverters (EU)?

Contents: Phase Imbalance Maximum Power Imbalance Ratios Advantage of Imbalance How to Change Imbalance Setting Phase Imbalance The three-phase Tigo EI Inverter enables the installer to have o... See more

Commission EI Residential System (EU) - Using EI App

1. Watch Commissioning EI Residential Solution (Video) The video below walks you through creating and editing a Tigo EI Residential Solution (inverter and battery) system using the Tigo Energy Int... See more

EI Inverter (EU) Error Code IE004 – Grid Freq Fault out of range

Symptoms: In the EI Inverter log, the following message is reported: Warning Code IE004 – Grid Freq Fault out of range. Cause: Out of Range Frequency events are usually transient and self-corr... See more

EI Inverter (EU) Error Code IE005 – Over PV Voltage High

Symptoms: The following message is reported:Error Code IE005 – Over PV Voltage High Cause: A PV array string voltage has exceeded the engineering safe limit of: Single Phase = 600VDC Three Phase ... See more

EI Inverter (EU) Error Code IE 002 – Grid Lost Fault

Symptoms: The following message is reported: Error Code IE 002 – Grid Lost Fault The inverter POWER Blue LED OFF. Cause: The inverter is no longer sensing grid voltage on the GRID L1/N termina... See more

EI Inverter (EU) Error Code IE 006 - N or PE wiring is abnormal

Symptoms: The following message is reported:Warning Code IE 006 - N or PE wiring is abnormal Cause: Loose or broken neutral or ground wires (in the system with TT configuration) Resolution: Perform... See more

EI Inverter (EU) - Fault, Warning and Error Codes

The recommended resolution for system faults, inverter warnings, and inverter faults are provided below. Inverter Error Codes Important: Only qualified people should perform the suggestions and... See more