
4
R4815N1 Rectifier User Manual V1.2
Indicator
Color
Status
Description
Measures
Power
indicator
Green
Steady on The rectifier is supplied with alternating current
(AC) input power.
The rectifier runs properly, and no
measure is required.
Off
The rectifier is not supplied with AC input power.
Replace the rectifier if the AC input is
normal.
The rectifier is faulty.
Replace the rectifier.
Blinking at
0.5 Hz
The rectifier is being queried.
No measure is required.
Blinking at
4 Hz
The rectifier is loading an application program.
The rectifier automatically recovers after
loading, and no measure is required.
Alarm
indicator
Yellow Off
No alarm is generated.
The rectifier runs properly, and no
measure is required.
Steady on The rectifier generates a prewarning for power
limiting due to overtemperature.
The rectifier generates an alarm for shutdown due
to ambient overtemperature protection.
Check that the air vent is not blocked
and the ambient temperature is within a
normal range.
The rectifier generates an alarm due to AC input
overvoltage or undervoltage protection.
Check that the electrical grid voltage is
within a normal range.
The rectifier is hibernated.
No measure is required.
Blinking at
0.5 Hz
The rectifier communication is interrupted.
Replace the rectifier or monitoring
module.
Fault
indicator
Red
Off
The rectifier is not faulty.
No measure is required.
Steady on The rectifier is locked due to output overvoltage.
Pull out the rectifier and reinsert it after
1 minute.
There is no output because the rectifier is faulty.
Replace the rectifier.
•
The high -voltage power supply energize equipment. Contacting the high-voltage power supply directly or through a
dampened object may cause you to death.
•
Improper operations on the high-voltage power supply may cause accidents such as fire or electric shock.
Maintenance
Suggestions
1. Rectify the faults by referring to Table 2.
2. If you cannot rectify the fault according to Table 2, replace the rectifier.
3. Return the faulty rectifier to Huawei for repairing.
Huawei technical support website:
http://support.huawei.com
Base on following suggestion, Simple fault can be dealt with.
Table 2 Describes the states of LEDs and the causes for abnormal.
DANGER
Huawei Technologies Co., Ltd.
Huawei Industrial Base
Bantian, Longgang, Shenzhen
518129
www.huawei.com