Instruction manual

14
5 Protections, Troubleshooting and Maintenance
5.1 Protection
·PV Array Short Circuit
When PV short circuit occurs, the controller will stop charging. Clear it to resume
normal operation.
·PV Overvoltage
If PV voltage is larger than maximum input open voltage 150V, PV will remain
disconnected and warning until the voltage falls safely below 145V. PV voltage cannot
be too high, otherwise it may damage the controller, please verify the PV parameter.
·PV Overcurrent
The Tracer-BN series controller will limit battery charging current to the Maximum
Battery Current rating. Therefore an over-sized solar array will not operate at peak
power.
·Load Overload
If the load current exceeds the maximum load current rating 1.05 times, the controller
will disconnect the load. Overloading must be cleared up through reducing the load
and restarting controller.
·Load Short Circuit
Fully protected against load wiring short-circuit. Once the load short (more than
quadruple rate current), the load short protection will start automatically. After five
automatic load reconnect attempts, the fault must be cleared by restarting controller.
·PV Reverse Polarity
Fully protection against PV reverse polarity, no damage to the controller will result.
Correct the miswire to resume normal operation.
·Battery Reverse Polarity
Fully protection against battery reverse polarity, no damage to the controller will result.
Correct the miswire to resume normal operation.
·Damaged Remote Temperature Sensor
If the temperature sensor short-circuited or damaged, the controller will be charging or