Communication error
The inverter runs but stops reporting to the monitoring platform, or internal modules stop talking to each other.
Common causes
- Wi-Fi or LAN connection lost, or router credentials changed
- Datalogger or communication module unpowered
- Cloud service outage
- Internal communication fault between control boards
Safe checks
- 1Check that the datalogger or monitoring module indicator is lit.
- 2Confirm the local network is working with another device.
- 3Power-cycle only the communication module using the manufacturer-approved procedure.
- 4If the fault is internal (displayed on the device itself), contact your installer.
When to call a technician
Call a qualified technician if the device repeats the fault after a manufacturer-approved restart, shows a burning smell, has damaged or discoloured wiring, or if the symptom involves the battery, inverter power stage or any sealed high-voltage component.