RFT9709 Transmitter Instruction Manual
37
Troubleshooting
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4.6
Master reset
Use the RFT9709 configuration switches to perform a master reset. A
master reset causes user-configured communication options to default
to the setup used by HART communication devices, causes all other
configuration options to return to their default values, and requires
complete characterization and reconfiguration of the transmitter.
Table 4-4 lists master reset defaults for characterization and
configuration variables.
To perform a master reset:
1. Note the position of switch 5.
2. Shut off power to the RFT9709.
3. Set switches 1, 2, and 3 to the OFF position.
4. Set switches 4, 5, 6, and 8 to the ON position.
5. Restore power. Wait until the diagnostic LED blinks ON three times
followed by a 1-second pause.
6. Set switches 4, 5, 6, and 8 to the OFF position.
7. Shut off power to the RFT9709. Wait 30 seconds, then restore power.
8. If switch 5 was originally in the ON or USR position configure
communications as described in
Communication settings
, page 47.
9. Reconfigure the transmitter. (A special version of the ProLink
software program is required for field configuration. Contact the
factory for ProLink information.)
To avoid an unintentional master reset, set switches 4, 6, and 8 to the
OFF position after performing a master reset. If switches are left in the
ON position, another master reset will occur the next time power to the
RFT9709 is shut off and then restored.
After the user performs a master reset, and switch 8 is returned to the
OFF position, the diagnostic LED blinks ON four times per second until
the user characterizes the sensor. Use a special version of the ProLink
program to characterize the sensor. The HART Communicator cannot
be used for characterization. (Contact the factory for additional ProLink
information.) After characterization is completed, the LED blinks ON
once per second to indicate normal RFT9709 operation.
4.7
Customer service
For technical assistance, phone the Micro Motion Customer Service
Department:
• In the U.S.A., phone 1-800-522-6277, 24 hours
• From outside the U.S.A., phone 303-530-8400, 24 hours
• In Europe, phone +31 (0) 318 549 443
• In Asia, phone 65-770-8155
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