Rect Fault; Rect Protection; Rect Comm Fault - Huawei TP48200A-HT19C4-1 User Manual

TP48200A-HT19C4-1 and TBC300A-TCA2 Telecom
Power
User Manual
Measures
1.
2.

4.2.19 Rect Fault

Possible Causes


Measures
1.
2.

4.2.20 Rect Protection

Possible Causes




Measures
1.
2.
3.
4.

4.2.21 Rect Comm Fault

Possible Causes



Measures
1.
2.
Issue 03 (2019-11-15)
Check whether there is smoke inside the cabinet. If so, disconnect the power supply from
the cabinet, handle the fault, and then restart the system and clear the alarm on the SMU.
Check whether the smoke sensor is faulty. If the smoke sensor is faulty, replace it.
Rectifier connections are loose.
A rectifier is faulty.
Check the Fault indicator on the rectifier panel. If it is steady red, remove the rectifier,
and then reinstall it after the indicator turns off.
If the alarm persists, replace the rectifier.
The rectifier input voltage is too high.
The rectifier input voltage is too low.
The ambient temperature is too high.
The rectifier is abnormal.
Check whether the AC input voltage exceeds the upper threshold for rectifier working
voltage. If so, locate and rectify the power supply fault and restore the power supply.
Check whether the AC input voltage is below the lower threshold for rectifier working
voltage. If so, locate and rectify the power supply fault and restore the power supply.
Check whether the ambient temperature is higher than the maximum operating
temperature of the rectifier. If so, locate and rectify the temperature control system fault.
Remove the rectifier that has generated the alarm and reinstall it after the indicator turns
off. If the alarm persists, replace the rectifier.
A rectifier has been removed.
Rectifier connections are loose.
A rectifier is faulty.
Check whether a rectifier has been removed. If so, reinstall it.
If the rectifier is in position, remove the rectifier and reinstall it.
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
48