Single Rect Fau; Multi-Rect Fault; Rect Comm Fault - Huawei ETP4830-A1 User Manual

ETP4830-A1
User Manual
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Measures
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7.2.19 Single Rect Fau

Possible Causes
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Measures
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7.2.20 Multi-Rect Fault

Possible Causes
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Measures
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7.2.21 Rect Comm Fault

Possible Causes
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Issue 06 (2014-02-20)
The ambient temperature is too high.
The rectifier is abnormal.
Check whether the AC input voltage exceeds the upper threshold of the rectifier working
voltage. If yes, rectify the power supply fault and then resume the power supply.
Check whether the AC input voltage is below the lower threshold of the rectifier working
voltage. If yes, rectify the power supply fault and then resume the power supply.
Check whether the ambient temperature is higher than the normal operating temperature
of the rectifier. If yes, check and rectify the temperature unit fault.
Remove the rectifier that generates the alarm and reinstall it after the indicator turns off.
If the alarm still exists, replace the rectifier.
The subrack or slot connector is faulty.
The rectifier is faulty.
The monitoring unit is faulty.
Remove the rectifier and check whether the slot connector is damaged or deformed. If
yes, repair or replace the subrack or slot connector.
If the alarm persists after the rectifier is reinstalled, replace the rectifier.
If the alarm persists after the monitoring unit is restarted, replace the monitoring unit.
The subrack or slot connector is faulty.
The rectifier is faulty.
The monitoring unit is faulty.
Remove the rectifier and check whether the slot connector is damaged or deformed. If
yes, repair or replace the subrack or slot connector.
If the alarm persists after the rectifier is reinstalled, replace the rectifier.
If the alarm persists after the monitoring unit is restarted, replace the monitoring unit.
The rectifier is removed.
The rectifier is in poor contact.
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