User’s Manual 1PH HYD3000-HYD6000-ZSS
Rev. 1.1 16/03/2021
Identification: MD-AL-GI-00
Rev. 1.1 of 16/03/2021 - Application: GID
2) Irregular communication with remote server:
- NET (left LED): flashing on
- COM (central LED): on
- SER (right LED): flashing on
Figure 78 - Irregular communication status between the adapter and remote server
- Check that the 4G signal is present in the installation location (the adapter uses the Vodafone
network for 4G transmission; if this network is not present or the signal is weak, the SIM will
use a different network or will limit the data transmission speed). Ensure that the installation
location is suitable for 4G signal transmission and that there are no obstacles that could affect
data transmission.
- Check the status of the 4G adapter and that there are no external signs of wear or damage.
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