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This chapter describes:
• How to troubleshoot the PWRLink™ II 4100S Series Optical Transmitter
• How to return the unit for service
• Manufacturer disclaimer
6.1
Troubleshooting
Should a problem occur, check the following:
1. View the Status LED on the transmitter's front panel to determine if an
alarm condition is indicated. See Front Panel LED Indicators on page 3-6.
2. View the HLP 4200WD front panel display to determine if an alarm
condition is indicated.
3. Confirm that the PWL 4100S is receiving power.
4. Confirm that the controller cable is connected to the transmitter module
and the HLP 4200.
6.2
In Case of Problems
If you continue to have a problem, contact the Harmonic Customer Service
department (see Appendix D, Harmonic Inc. – Offices). A service technician
will assist you in determining whether a fault exists with the unit.
If the service technician determines that you need to return the unit, she or he
will issue you a Return Material Authorization (RMA) Number. You must
include this RMA number on the shipping container when returning the unit,
and with all correspondence regarding the unit.
To return the unit, send it to one of the Harmonic Headquarters addresses
listed in Appendix D, Harmonic Inc. – Offices. Please add the note:
Attn.: Customer Service
RMA no. _________
PWRLink™ II 4100S Series Optical Transmitter Product Manual Rev A (3/06)
Troubleshooting
6
6–1
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