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Rosemount Model 8800C Vortex Flowmeter with FOUNDATION
TM
Fieldbus
C-16
Troubleshooting Refer to Table C-3 to troubleshoot any problems that you encounter.
TABLE C-3. Troubleshooting.
Symptom Possible Causes Corrective Action
Mode will not
leave OOS
Target mode not set. Set target mode to something other
than OOS.
Configuration error BLOCK_ERR will show the
configuration error bit set. The following
are parameters that must be set before
the block is allowed out of OOS:
• BYPASS must be off or on and
cannot be left at initial value of 0.
• OUT_HI_LIM must be less than or
equal to OUT_LO_LIM.
• SP_HI_LIM must be less than or
equal to SP_LO_LIM.
Resource block The actual mode of the Resource block
is OOS. See Resource Block
Diagnostics for corrective action.
Schedule Block is not scheduled and therefore
cannot execute to go to Target Mode.
Schedule the block to execute.
Mode will not
leave IMAN
Back Calculation BKCAL_IN
• The link is not configured (the
status would show “Not
Connected”). Configure the
BKCAL_IN link to the downstream
block.
• The downstream block is sending
back a Quality of “Bad” or a Status
of “Not Invited”. See the appropriate
downstream block diagnostics for
corrective action.
Mode will not
change to AUTO
Target mode not set. Set target mode to something other
than OOS.
Input IN
• The link is not configured (the
status would show “Not
Connected”). Configure the IN link
to the block.
• The upstream block is sending back
a Quality of “Bad” or a Status of
“Not Invited”. See the appropriate
upstream block diagnostics for
corrective action.
Mode will not
change to CAS
Target mode not set. Set target mode to something other
than OOS.
Cascade input
1.CAS_IN
• The link is not configured (the
status would show “Not
Connected”). Configure the
CAS_IN link to the block.
• The upstream block is sending back
a Quality of “Bad” or a Status of
“Not Invited”. See the appropriate
up stream block diagnostics for
corrective action.