Epsolar LS1024RD, Instruction Manual, Page: 21 / 30

17
5 Protection, Troubleshooting and
Maintenance
5.1 Protection
· PV Array Short Circuit
If PV array short circuit occurs, clear it to resume normal operation.
· Load Overload
If the load current exceeds the maximum load current rating, the controller
will disconnect the load. The greater the overload, the faster the load will be
disconnected. A small overload could take a few minutes to disconnect.
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.
· 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 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.
· Overheating Protection
If the temperature of the controller heat sink exceeds 85

C, the controller
will automatically start the overheating protection.
· High Voltage Transients
Battery is protected against high voltage transients. In lightning prone areas,
additional external suppression is recommended.