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Protections, Troubleshooting, and Maintenance
Fault Indication & Troubleshooting
Fault Indication
Care and Maintenance
For best system performance, the following inspections and maintenance tasks are recommended
to be carried out at least two times a year.
● Make sure the controller is firmly installed in a clean and dry location.
● Make sure there is specified clearance area around the controller for proper air flow.
● Check all the terminal wires to make sure insulation is not damaged. Repair or replace some wires
if necessary.
● Tighten all terminal screws to the suggested torque; Inspect for loose, broken, or burnt cable/wire
connections.
● Check and confirm that LCD parameters are consistent with the operation. Pay attention to any
fault conditions that may occur. Take corrective action immediately if necessary.
● Make sure that all ground connections are tight and secure.
● Check all terminals for any corrosion signs, damaged insulation, increased temperature, damage,
or discoloration signs.
● Check for any dirt, nesting insects. Implement corrective actions as early as possible.
Reason
Short circuit
Over Current
Battery Low voltage
Battery Over voltage
Over temperature
Abnormal Battery voltage
detected
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Description
Switch off all loads, remove short circuit, load will
be reconnected after 1 minute automatically.
Reduce the load, the controller will resume normal
operation after 1 minute automatically.
Load will be reconnected when battery is
recharged to the appropriate voltage level.
Check if other sources are overcharging the
battery or if the battery type parameter is set
correctly. If not, controller is damaged.
After the temperature decreases, the controller
will work normally.
Charge or discharge the battery separately so that
the battery voltage is within the normal operating
range.
CCD-0007727 Rev: 06-01-23
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