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NetSure™ IPE SERIES Rectifier Installation & User Manual (UM1R481000CNA)
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Rev. F
41
Table 9:
Rectifier Indicators
Indicator
Normal State Alarm State
Alarm Cause
Power
(Green)
On
Off
No input voltage.
Internal input fuse open.
Protection
(Yellow)
Off
On
AC input under/over voltage.
PFC output under/over voltage.
Moderate load sharing imbalance.
Rectifier over-temperature protection.
Rectifier operating in an output power derating mode
(rectifier derates when rectifier temperature rises
above or input voltage falls below acceptable values).
Alarm
(Red)
Off
On
Severe load sharing imbalance.
Rectifier output disabled for any reason, including
overvoltage shutdown and internal output fuse open.
TROUBLESHOOTING
AND
REPAIR
Contact Information
Refer to “DC Power, Outdoor Enclosure & Service Contacts” on page 43 for support contact information.
Troubleshooting
Rectifier
Current
Sharing
Imbalance
When multiple rectifiers are operating in parallel and the load is greater than 20%, if the current sharing
imbalance among them is greater than 3%, replace the rectifier exhibiting the current imbalance.
Rectifier
Fault
Symptoms
and
Troubleshooting
The fault indicators that can be displayed by the rectifier are as follows. Refer to
causes and corrective actions.
•
Power Indicator (Green) Off
•
Protection Indicator (Yellow) ON
•
Alarm Indicator (Red) ON
Repair
When a trouble symptom is localized to a faulty rectifier, the rectifier should be replaced in its entirety. No
attempt should be made to troubleshoot or repair individual components inside the rectifier enclosure.
