Ablerex 3 MS series User Manual
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Contents
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164.2. Fault LED Lights up and No Output4.2.1. TroubleshootingFIG. 4.2Check Items Trouble-shootingOutput Short Circuit Check if the output end of the UPS is in shortcircuit.Overload(>120%) Reduce the output load.MS1K/MS1KR: 1000VA/700WBattery voltage is abnormal 1. If the battery voltage is under 28.8V, replace the batteries2. Remove the battery, check the charge voltage. If the voltageis over 43V, the charger circuit is out of order. Refer to fig4.1,please check U14 U10 VR1 and other device nearby.INVERTER Voltage ERROR Refer to fig.4-4, Check U7 U8 Q13 Q14The Fan on the rear panel is out oforder1. Check to see if the connection to the fan isProperly done. |
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