Vechline 1206 Series, User Manual

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5.3 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 heat sink.

Check all the naked wires to make sure insulation is
not damaged for sun exposure, 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 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.

Clear up dirt, nesting insects and corrosion 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 equipment.
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.