Controller shows ERR:
- Module wires not properly connected to controller terminals.
- Wires from the Solar Sync module to the controller have been severed.
Solar Sync module shows ERR:
- There is an issue between the module and the sensor itself. Assess your wire connections, power the controller down and back up again.
Solar Sync module shows SERR:
- Indicates Sensor Error, communication has been lost between the Wireless Sensor and Wireless Receiver.
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