Huawei TP482000B Series - Page 41

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
5 Components
Issue 07 (2020-04-10)
Copyright © Huawei Technologies Co., Ltd.
35
Indicator
Color
Status
Description
Blinking at
0.5 Hz
The rectifier is being queried.
Blinking at 4
Hz
The rectifier is loading an application program.
Alarm indicator
Yellow
Off
No alarm is generated.
Steady on

A warning is generated due to ambient
overtemperature.

The rectifier has generated a protection shutdown
alarm due to ambient overtemperature or
undertemperature.
AC input overvoltage or undervoltage protection has
been triggered.
The rectifier is in hibernation state.
Blinking at
0.5 Hz
The communication between the rectifier and the
external device is interrupted.
Fault indicator
Red
Off
The rectifier is normal.
Steady on
The rectifier locks out due to output overvoltage.
The rectifier has no output due to an internal fault.