Huawei ECC800 User Manual page 29

ECC800 Data Center Controller
User Manual
Table 3-6 PSU indicator description
Indicator
Issue 06 (2020-01-02)
Color Name
Green Power indicator
Yellow Alarm indicator
Red Fault indicator
Copyright © Huawei Technologies Co., Ltd.
Status Description
Steady on The converter has a power
input.
Off The converter has no power
input or is faulty.
Blinking at The converter is being
long queried (the indicator blinks
intervals at 0.5 Hz, on for 1s and then
off for 1s).
Blinking at The converter application
short program is being loaded (the
intervals
indicator blinks at 4 Hz, on
for 0.125s and then off for
0.125s).
Steady on The converter generates a
forewarning indicating that
power will be limited due to
ambient overtemperature, or
generates a protection
shutdown alarm due to
ambient overtemperature or
undertemperature.
Power input overvoltage or
undervoltage protection
Reverse DC input connection
Slight current imbalance
Output overvoltage
Hibernation
Off The converter generates no
protection alarms.
Blinking at The communication between
long the converter and the outside
intervals is interrupted (the indicator
blinks at 0.5 Hz, on for 1s
and then off for 1s).
Steady on The converter locks out due
to output overvoltage.
The converter delivers no
output due to internal faults.
Off The converter is working
properly.
3 Device Description
20