N1C N1C.L1000 User Manual
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Contents
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5 Maintenance and TroubleshootingN1C L-Series(1-3kVA) UPSUser Manual345 Maintenance and TroubleshootingThis chapter mainly describes maintenance guide, daily battery maintenance, replacing batteryannouncements and troubleshooting.5.1 Maintenance GuideProper maintenance is the key that the device works on the best status and with a longer service life.5.1.1 Safety PrecautionsTo ensure human safety and device security, observe the following precautions. Remember that even though UPS doesn't work, there may still exist dangerous voltage insideUPS. Before maintenance, use a multi-meter to check the voltage and make sure that UPS iscompletely shut down and stay in safe status. The operator should be familiar with UPS and user manual. Before operating UPS, take off conductive objects, such as rings, watches. Observe safety regulations strictly. If any doubt, consult professionals. Before maintenance, use a voltmeter to check the power is turned off and in a safety condition.5.1.2 Preventive MaintenanceTo improve the efficiency and reliability of UPS, do the following maintenance tasks regularly. Keep operation environment free from dust and chemical pollutant. Check whether fans work properly, and air vents are not blocked. If some fans stop working,replace them in time. Check whether battery voltage is normal. Check whether UPS works normally.5.2 Daily Battery Maintenance Charging requirements of battery. |
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