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Transcript
Service Manual
308012En, Ed.1/Rev.D
August 2010
DAU Display
Rosemount Tank Radar Rex
Chapter 6 Troubleshooting
CAUSE
ACTION
Current input error (p for pressure):
2 - Internal calibration error
Exchange PCB: DMB for Slave
DAU or DXB for Independent
DAU.
Current input error (p for pressure):
3 - Old value in at least one value.
Same cause as 1 above.
See items under “Current input
reading incorrect”.
Output error (Independent DAU)
Relay feedback does not match
relay control.
Exchange relay card, DRM.
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