20
5 Protection, Troubleshooting and
Maintenance
5.1 Protection
·Load Overload
If the load current exceeds the maximum load current rating, the
controller will disconnect the load. Overloading must be cleared up
through reapply power or pressing the setting button.
·Load Short Circuit
Fully protected against load wiring short-circuit. After one automatic
load reconnect attempt, the fault must be cleared by reapply power or
pressing the setting button.
·Battery Reverse Polarity
Fully protection against battery reverse polarity, no damage to the
controller will result. Correct the miswire to resume normal operation.
·Damaged Local Temperature Sensor
If the temperature sensor short-circuited or damaged, the controller
will be charging or discharging at the default temperature 25℃ to
prevent the battery damaged from overcharging or over discharged.
·High Voltage Transients
PV is protected against high voltage transients. In lightning prone
areas, additional external suppression is recommended.
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