TP48200E-H12C1 (Nepal, Ncell)
User Manual
4 Maintenance
Issue 01 (2015-05-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
27
4.2.25 Rect Comm Fault
Possible Causes
The rectifier is removed.
The rectifier is in poor contact.
The rectifier is faulty.
Measures
1.
Check whether the rectifier is removed. If yes, reinstall it.
2.
If the rectifier is in position, remove the rectifier and reinstall it.
3.
If the alarm still exists, replace the rectifier.
4.2.26 Load Fuse Break
Possible Causes
The load circuit breaker trips or fuse is blown.
The load circuit breaker or fuse detection cable is disconnected.
Measures
1.
Check whether the load circuit breaker trips or fuse is blown. If yes, rectify the back-end
circuit fault and then switch on the circuit breaker or replace the fuse.
2.
Check whether the load circuit breaker or fuse detection cable is disconnected. If yes,
reconnect the cable.
4.2.27 AC SPD Alarm
Possible Causes
The AC SPD is faulty.
The AC SPD detection cable is disconnected.
Measures
1.
Check whether the AC SPD indication window turns red. If yes, replace the SPD.
2.
Check whether the AC SPD detection cable is disconnected. If yes, reconnect the cable.
4.2.28 DC SPD Alarm
Possible Causes
The DC SPD detection cable is disconnected.
The DC SPD is faulty.
Measures
1.
Check whether the DC SPD detection cable is disconnected. If yes, reconnect the cable.
2.
Check whether the DC SPD detection cable is disconnected. If no, replace the DC SPD.