User Manual

Maintenance a n d Troubleshooting 10-51
Problem
Veloci t y dat a does not fluc t uate much (but is not 0).
Possible
Causes
Sensor may be dirty.
Minimum flows m ay be oc curring within the sens or
deadband (extending 1.0 inches (25 mm) up from the
bottom of the Peak Combo Sensor).
Veloci t y f unction may be broken.
Possible
Solutions
Clean the sensor’s trans mit/ receive surfaces.
Verify that minimum flows are occurring outside the
sensor deadband.
Check the sensor connections.
Check the vel oc i ty parameters .
Contact your regional ADS representative.
Replace the velocity sensor.