Troubleshooting - Huawei UPS5000-A User Manual

UPS5000-A-(400 kVA-600 kVA)
User Manual (60 kVA, PF=0.9)
● When a UPS is faulty, alarm information is displayed on the LCD. Critical alarms
● Do not clear the alarm by reseating the power unit or bypass unit.
● Remove a faulty power unit or bypass unit after confirming that it needs to be
● After a UPS is troubleshooted and started, if the LCD continues displaying
● When batteries reach EOD, the battery switch in the BCB box trips if the BCB
● To restore battery discharge after batteries reach EOD, use either of the
For details about how to rectify common faults, see
unmentioned faults occur, see the alarm list or contact technical support.
Issue 06 (2022-01-27)
CA UTION
must be handled before powering on the UPS again. Otherwise, the fault may
be extended, or the UPS may be damaged.
replaced. Do not insert the faulty component into the UPS again after removal.
NO TICE
alarm information, choose System Info > Alarms > Clear Faults to clear the
alarm and then start the inverter.
box is configured. To restore battery discharge, turn on the battery switch in the
BCB box.
following methods: 1. Switch to another battery string. Ensure that each battery
has a voltage greater than the EOD voltage and 11.3 V/cell. 2. Restore the
mains power supply to start the inverter. Turn on the battery switch and charge
batteries until each battery has a voltage greater than the EOD voltage and
11.3 V/cell.
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Troubleshooting

Table
6 Troubleshooting
6-1. If any
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