User Manual 3PH HYD5000-HYD20000-ZSS
Rev. 1.1 16/03/2021
Identification: MD-AL-GI-00
Rev. 1. of 16/03/2021 - Application: GID
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COM (central LED): steady on
SER (right LED): flashing on
Figure 114 - Final status of LEDs
11.2.3.
Troubleshooting
Status of LEDs present on the adapter
1)
Irregular communication with inverter
-
NET (left LED): steady on
-
COM (central LED ): off
-
SER (right LED): flashing on
Figure 115 - Irregular communication status between the inverter and adapter
-
Check the Modbus address set on the inverter:
Enter the main menu with the ESC key (first key on the left), go to System Info and press
ENTER to enter the submenu. Scroll down to the Modbus address parameter and make sure it
is set to 01 (and in any case, other than 00).