20
Installation and Safety Manual
Trinasmart
APPENDIX C: TROUBLESHOOTING
WARNING
.
Servicing Instructions: “Warning - These servicing instructions are for use by qualified
personnel only.
To reduce the risk of electric shock, do not perform any servicing other than that
specified in the operating instructions.”
WARNING
.
Troubleshooting the PV array or the Trinasmart Module Optimizers should be
completed only by qualified personnel. Do not disconnect PV connectors under load.
WARNING
.
The Module Optimizers contain no user-serviceable parts. Do not attempt to open
the enclosure. Tampering with or opening the Module Optimizer will void the factory
warranty. See warranty for instructions on obtaining service.
Troubleshooting the Gateway connection
The Gateway has an LED light at the bottom of the unit, which shows the status of the Gateway. This is useful for
troubleshooting problems with the system communications. See the table below for the meaning of each light pattern:
Color pattern
Gateway Status
No color
Not powered from MMU
Solid blue
Powered, but not communicating
Blue and yellow (blinking)
Powered and communicating with Maximizers
Discovery Process Error Messages
If error messages are displayed during the discovery process, see the table below for descriptions of the problem.
Error message
Description
Corrective action
“Err#1: X/Y”
MMU has only found X Gateways
(was expecting to find Y)
Check Gateway cable connections, call Tigo Energy
Support if problems persist
“Err#3: XXXX”
“Err#4: XXXX”
“Err#6: GW_XXXX err”
“Err#7: GW_XXXX err”
“Err#6: GW_XXXX err”
“Err#10: GW_XXXX err”
“Err#11: MM pos”
“Err#12: GW_XXXX err”
“Err#13: GW_XXXX err”
Failed Gateway communication
during discovery, cannot find
Gateway XXXX
Check Gateway cable connections, call Tigo Energy
Support if problems persist
“Err#5: Chnl err”
Could not find free channel for
Gateway
Contact Tigo Energy Support
