PDU-1209 User
’s Guide
22
9 Troubleshooting
In case the PDU-1209 does not work correctly, please check the following items first. Also refer to manuals for
connected devices as well, since they may possibly be the cause of the problem.
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Is the PDU-1209 powered on correctly?
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Are cables connected correctly?
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Are there no short circuits, disconnections, or loose connections?
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Are appropriate cables for PDU-1209 being used?
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Are there any nearby objects that may cause noise?
If additional assistance is required, please check the following items and then contact us.
No.
Checking items
Result
1
Does the ALARM (DC12V) LED light?*
Yes or No
2
Does the ALARM (FAN) LED light?*
Yes or No
*If yes, power off the PDU-1209 discontinue use.
