Epever Tracer AN Series User Manual page 27

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 or LCD is consistent with required. Pay attention to

any troubleshooting or error indication .Take necessary corrective action.
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.
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