Load Loop Break; Ac Spd Fault; Dc Spd Fault; Identifying Component Faults - Huawei TP48200A-HX09A1 User Manual

TP48200A-HX09A1 and TBC300A-DCA5 Telecom
Power
User Manual
3.

4.2.22 Load Loop Break

Possible Causes


Measures
1.
2.

4.2.23 AC SPD Fault

Possible Causes


Measures
1.
2.

4.2.24 DC SPD Fault

Possible Causes


Measures
1.
2.

4.3 Identifying Component Faults

4.3.1 Identifying AC SPD Faults

Check the color of the AC SPD indication window. Green indicates that the AC SPD is
normal. Red indicates the AC SPD is faulty.
Issue 03 (2019-11-15)
If the alarm persists, replace the rectifier.
The load circuit breaker has tripped or the load fuse has blown.
The load circuit breaker or the fuse detection cable is disconnected.
Check whether the load circuit breaker has tripped or the load fuse has blown. If so,
locate and rectify the circuit fault, and then switch on the circuit breaker or replace the
fuse.
Check whether the load circuit breaker or fuse detection cable is disconnected. If so,
reconnect it.
The AC SPD is faulty.
The AC SPD detection cable is disconnected.
Check whether the AC SPD indication window is red. If so, replace the SPD.
Check whether the AC SPD detection cable is disconnected. If so, reconnect the cable.
The DC SPD detection cable is disconnected.
The DC SPD is faulty.
Check whether the DC SPD detection cable is disconnected. If so, reconnect the cable.
If the DC SPD detection cable is reliably connected, replace the DC SPD.
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
50