User Manual

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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.