Epever Tracer-BN Series MPPT, User Manual

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19
orange blink) output circuit. When the
temperature below 75
℃
, the
controller will resume to work
All the LED
indicators blink.
(battery indicator
red blink)
System voltage error
Check whether the battery
voltage match with the controller
working voltage. Please change
to a suitable battery or reset the
working voltage. Remove all
faults and click the button to
resume to work
Load terminals
no output Over load or Short
circuit
Remove or reduce the load and
press the button, the controller
will resume to work after 3
seconds
4.3 Maintenance
The following inspections and maintenance tasks are recommended at least two
times per year for best performance.

Make sure controller firmly installed in a clean and dry ambient.

Make sure no block on air-flow around the controller. Clear up any dirt and
fragments on radiator.

Check all the naked wires to make sure insulation is not damaged for serious
solarization, frictional wear, dryness, insects or rats etc. Repair or replace some
wires if necessary.

Tighten all the terminals. Inspect for loose, broken, or burnt wire connections.

Check and confirm that LED is consistent with required. Pay attention to any
troubleshooting or error indication .Take corrective action if necessary.

Confirm that all the system components are ground connected tightly and
correctly.

Confirm that all the terminals have no corrosion, insulation damaged, high
temperature or burnt/discolored sign, tighten terminal screws to the suggested
torque.

Check for dirt, nesting insects and corrosion. If so, clear up in time.

Check and confirm that lightning arrester is in good condition. Replace a new one
in time to avoid damaging of the controller and even other equipments.
WARNING
：
Risk of electric shock!
Make sure that all the power is turned off before above operations, and
then follow the corresponding inspections and operations.