Harmonic PWRLink II 4800T Series, Руководство по эксплуатации продукта, Страница: 33 / 43

PWRLink II 4800T Optical Transmitter Product Manual Rev A (2/02) 6–1
6
Troubleshooting
This chapter describes:
• How to troubleshoot the PWRLink II transmitter
• How to return the unit for service
• Warranty
• Limitations of warranty
• Exclusive remedies
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 PWRLink II transmitter 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 Harmonic’s Customer Service
department (see Appendix C,
Harmonic Inc. – Offices , for contact information).
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 Number. Please make note of
this number, and keep it in a safe place. You must include it on the shipping
container when returning the unit, and with all correspondence regarding the
unit.
To return the unit, send it to the Harmonic Corporate Headquarters, and add
the note: Atten: Customer Service.