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6-7
Maintenance and Troubleshooting
HARDWARE
MAINTENANCE
The Model 8800C Flowmeter has no moving parts and requires a
minimum amount of scheduled maintenance. The transmitter features
a modular design for easy maintenance. If you suspect a malfunction,
check for an external cause before performing the diagnostics
presented below.
The following procedures will help you disassemble and assemble the
Model 8800C Flowmeter hardware if you have followed the
troubleshooting guide earlier in this section of the manual and
determined that hardware components need to be replaced.
NOTE
Failure of the Model 8800C Flowmeter housing, electronics, terminal
block, LCD indicator, or entire assembly requires replacement with the
Model 8800C Flowmeter housing, electronics, terminal block, and
optional LCD indicator. The Model 8800C Flowmeter can be identified
on the SST tag or by visually checking to see if the conduit entries are
on the top of the housing. See “Replacing the Foundation Fieldbus
Electronics Housing” on page 6-10 for further information.
NOTE
Use only the procedures and new parts specifically referenced in this
manual. Unauthorized procedures or parts can affect product
performance and the output signal used to control a process, and may
render the instrument dangerous. Direct any questions concerning
these procedures or parts to Rosemount Inc.
NOTE
Flowmeters should not be left in service once they have been
determined to be inoperable.
NOTE
Process should be vented before the meter body is removed from service
for disassembly.
See “Safety Messages” on page 6-1 for complete warning information.