Integrated Ups Troubleshooting - Huawei FusionModule5000 Maintenance Manual

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)

4.1.2 Integrated UPS Troubleshooting

To restore battery discharge after batteries reach EOD, use one of the following methods:


For details about how to rectify common faults, see
located or solved are met, or any other unmentioned faults occur, see
Alarm Reference
For details about how to rectify ATS faults, see the delivered manual.
Table 4-1 Troubleshooting
Symptom
The rectifier cannot work,
and the bus voltage is not
boosted.
The buzzer buzzes, the Fault
indicator is on, the inverter
is faulty, and the UPS
transfers to bypass mode.
The buzzer buzzes, the Fault
indicator is on, and the
charging function fails.
When the mains is normal,
the UPS works in bypass
Issue 01 (2019-03-05)
Switch to another battery string. Ensure that each battery has a voltage greater than the
EOD voltage and 11.3 V.
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.
and contact Huawei technical support.
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Copyright © Huawei Technologies Co., Ltd.
Table
Possible Cause
The mains voltage exceeds
the upper threshold 280 V or
is less than the lower
threshold 80 V.
PFC soft-startup fails.
The power module is faulty.
The UPS is overloaded or
short-circuited.
Inverter overtemperature
occurs.
The power module is faulty.
The charger fails.
The charger experiences
overcurrent.
The charger experiences
undervoltage.
Set the UPS working mode
to ECO mode.
4 Troubleshooting
4-1. If any faults that cannot be
3.1.2 Integrated UPS
Measure
Check whether the mains
voltage exceeds the
threshold. If yes, contact the
electric power company.
Replace the power module.
Replace the power module.
Reduce load or rectify short
circuits.
Install more air conditioners
or ventilation devices to
ensure normal temperatures
inside the equipment room.
Replace the power module.
Replace the power module.
Replace the power module.
Check whether the
configured number of
batteries is correct. If the
value is correct but the
alarm persists, replace the
power module.
Set the working mode
correctly.
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