Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
5.4 CORRECTIVE MAINTENANCE
The RFL 9785 Programmable ON/OFF Powerline Carrier System has been designed for years of
trouble-free service. Should a malfunction occur involving the RFL 9785, use standard troubleshooting
techniques to determine if the problem is in the RFL 9785, or in some other connected equipment. If
the problem lies within the RFL 9785, use the schematics at the end of Sections 6 through 21 to try and
determine which module is defective. Once this is done, replace the module; this should solve the
problem.
Defective modules can be repaired locally, or they can be returned to RFL for repair (para 5.6).
5.5 EXTENDER CARD
Most RFL 9785 modules have test points which can be monitored when the module is mounted on an
extender card. The RFL part number of the extender card is 9547 1870.
5.6 HOW TO ARRANGE FOR SERVICING
If necessary, RFL 9785 modules and subassemblies may be returned to RFL for repair. Contact our
Customer Service Department using the telephone number listed below. You will be given a Returned
Material Authorization (RMA) and shipping instructions.
RFL 9785 RFL Electronics Inc.
April 25, 2005 5-6 (973) 334-3100
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