Tigo EI - Reference; Error Codes; Inverter Warning Codes

Reference – Error Codes
EI Residential Solar Solution US Installation Manual | www.tigoenergy.com | Help Center 63
Reference
This section includes the following topics:
• Error Codes
• Decommissioning
• Maintenance
• Customer Support
• Specifications
• Warranty
Error Codes
To view error codes, open the EI app and navigate to the Select Equipment > Inverters > View
Details> Configure Inverter Details
screen and tap Connect .
Shut down the system before
checking PV module or system wiring.
If you are unable to resolve an error, visit the Tigo Help Center.
Inverter Warning Codes
Code #
Description
Suggestions
203
PV1 or PV2 circuit short
1. Check PV panel polarity.
2. Restart the inverter.
204
Disconnect function abnormal
1. Shut down the system.
2. Check disconnect wiring.
205
PV1 or PV2 boost broken
Restart the inverter.
207
USB over-current
1. Unplug the USB disk or monitor.
2. Re-access USB disk or monitor after
shutdown.
401
Inverter to energy meter abnormal
communication
1. Check if the meter is on.
2. Check the inverter and the meter
connection is normal.
404
EEPROM abnormal
Restart the inverter.
405
The firmware version is not consistent
Update inverter to the latest firmware
version.