Veris Technologies Precision Rate Controller - Operation Manual - Manual (Page 26)

Pub.# OM17-PRC
8-4
10. Drive plants significantly higher than desired rate:
10.1) Re-check calibration number, and re-run calibration procedure if necessary
10.2) Ensure that you have installed the correct seed meter.
10.3) Check sprocket combinations; see Assembly and Parts Manuals for the
planter you are operating (30P and 40P models)
10.4) Check speed shown on cab console against other speedometer
—tractor,
planter monitor. If drive speed is significantly higher, recalibrate speed on drive.
11. Drive continues to rotate after tractor has stopped:
Contamination or wear in proportional valve (PN 19798) Remove and inspect.
Blow out with compressed air. Check o-rings and re-install. Replace if
necessary.
12. Fluid weeping from motor shaft seal:
Excessive backpressure in return hose. Check quick coupler connection. Use
motor control port for return if available.