Epever TRIRON N Series, User Manual

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6.3 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.