Maintenance - Epever UP1500-M3222 User Manual

6. Maintenance

1）The following inspections and maintenance tasks are recommended at least two
times per year for best performance.
 Make sure inverter/charger firmly installed in a clean and dry ambient.
 Make sure no block on air-flow around the inverter/charger. 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 inverter/charger 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.
2）This warranty does not apply under the following conditions:
 Damage from improper use or use in an unsuitable environment.
 PV or load current, voltage or power exceeding the rated value of controller.
 The inverter/charger is working temperature exceed the limit working environment
temperature.
 User disassembly or attempted repair the inverter/charger without permission.
 The inverter/charger is damaged due to natural elements such as lighting.
 The inverter/charger is damaged during transportation and shipment.