Rect Comm Fault; Load Loop Break; Ac Spd Fault; Dc Spd Fault - Huawei ETP48400-C9A2 User Manual

ETP48400-C9A2 Embedded Power
User Manual
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7.2.21 Rect Comm Fault

Possible Causes
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Measures
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7.2.22 Load Loop Break

Possible Causes
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Measures
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7.2.23 AC SPD Fault

Possible Causes
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Measures
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7.2.24 DC SPD Fault

Possible Causes
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Issue 05 (2020-04-07)
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.
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.
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