Huawei Telecom Power TP48200A-DX12A1 - Single Rect Fault; Multi-Rect. Fault; Rect Fault; Rect Protection

TP48200A-DX12A1 Telecom Power
User Manual
4 Maintenance
Issue 07 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
38
4.2.14 Single Rect Fault
Possible Causes

The subrack or slot connector is faulty.

A rectifier is faulty.

The SMU is faulty.
Measures
1. Remove the rectifier and check whether the slot connector is damaged or deformed. If so,
repair or replace the slot connector or the entire subrack.
2. Reinstall the rectifier. If the alarm persists, replace the rectifier.
3. Restart the SMU. If the alarm persists, replace the SMU.
4.2.15 Multi-Rect. Fault
Possible Causes

The subrack or slot connectors are faulty.

Rectifiers are faulty.

The SMU is faulty.
Measures
1. Remove the rectifiers and check whether the slot connectors are damaged or deformed. If
so, repair or replace the slot connectors or the entire subrack.
2. Reinstall the rectifiers. If the alarm persists, replace the rectifiers.
3. Restart the SMU. If the alarm persists, replace the SMU.
4.2.16 Rect Fault
Possible Causes

Rectifier connections are loose.

A rectifier is faulty.
Measures
1. 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.
2. If the alarm persists, replace the rectifier.
4.2.17 Rect Protection
Possible Causes

The rectifier input voltage is too high.

The rectifier input voltage is too low.

The ambient temperature is too high.