Ups Troubleshooting - Huawei FusionPower6000 Maintenance Manual

FusionPower6000
Maintenance Guide
Alarm
Module overtemperature
IGBT fault feedback signal
SPD fault
Large zero offset
calibration
Module fault
Voltage harmonic over-limit
protection
Voltage phase failure
Unit resonance

5.5 UPS Troubleshooting

● If the UPS is faulty, alarm information is displayed on the LCD. The UPS can be
● Do not clear alarms by reinstalling modules.
● Remove a faulty module after confirming that it needs to be replaced. After
Issue 02 (2022-07-18)
Suggestion
The alarm is automatically cleared after the fault is rectified. If the
fault is reported multiple times, enhance heat dissipation (for
example, open the cabinet door), and check whether the ambient
temperature at the air intake vent of the unit exceeds 40°C or
whether the internal air duct of the unit is blocked.
The alarm is automatically cleared after the fault is rectified. If the
fault occurs for three times, contact technical support.
Contact technical support.
Power off and then power on the device. If the fault persists,
contact technical support.
Contact technical support.
Contact technical support.
Contact technical support.
If the output port of the unit detects a 5 A high-order harmonic
wave due to the power grid or other reasons, the unit automatically
shuts down for protection to prevent the filter branch from being
burnt. If the fault persists, contact technical support.
CA UTION
powered on only after critical alarms are handled. Failing to do so may escalate
faults or damage the equipment.
removing the module, do not insert it into the UPS again.
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5 Alarm Handling
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