Huawei FusionDC1000A - Page 85

Indicator Color Name Status Description
Blinking at
long
intervals
The PSU is being queried (the
indicator blinks at 0.5 Hz, on
for 1s and then o for 1s).
Blinking at
short
intervals
The PSU application program is
being loaded (the indicator
blinks at 4 Hz, on for 0.125s
and then o for 0.125s).
Yellow Alarm
indicator
Steady on Power limiting warning due to
ambient overtemperature;
shutdown alarm for protection
against ambient
overtemperature or
undertemperature
Power input overvoltage or
undervoltage protection
Reverse DC input connection
Slight current imbalance
Output overvoltage
Hibernation
O The PSU generates no
protection alarms.
Blinking at
long
intervals
The communication between
the PSU and the external
equipment is interrupted (the
indicator blinks at 0.5 Hz, on
for 1s and then o for 1s).
Red Fault
indicator
Steady on The PSU locks out due to
output overvoltage.
The PSU has no output due to
internal faults.
O The PSU is normal.
FusionDC1000A Prefabricated All-in-One Data
Center
Product Description (IT Scenario) 6 Management System
Issue 04 (2023-11-10) Copyright © Huawei Digital Power Technologies Co., Ltd. 78