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NetSure DC/DC Converter Module User Manual (UM1C24481500 / 11WA6101WB)
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Rev. G
14
TROUBLESHOOTING AND REPAIR
Troubleshooting
Converter Module Current Sharing Imbalanced
When multiple converter modules are operating in parallel and the current sharing imbalance among them is
greater than 5%, check if the converter module is properly seated in the shelf.
If the current sharing imbalance still persists following the verification suggested above, replace the converter
module exhibiting the current imbalance.
Converter Module Fault Symptoms and Troubleshooting
The fault indicators that can be displayed by the converter module are as follows. Refer to
Table 4
for a list of
possible causes and corrective actions.
•
Power Indicator (Green) OFF
•
Protection Indicator (Yellow) ON
•
Protection Indicator (Yellow) Flashing
•
Alarm Indicator (Red) ON
•
Alarm Indicator (Red) Flashing
