April 8, 2011 HN FAQ Memo, Version 3.0 Page 7 of 108
2.1.5 BD5PostSampleTimeout
Description: The backend of the sample send from SI has not been detected by BD5 in the expected timeslot. (the
front end has been detected.)
Causes / Actions: Check filter operation, if filter doesn’t lift, no air will be present in the tube after the sample.
Check mounting of BD5. Check tube length is correct between MV arm and Flush valve.
References: 2.1.7Correct mounting of the Air detector assembly
2.1.6 BD5PresampleTimeout
Description: The sample send from SI has not been detected by the BD5 within the expected timeslot.
Causes / Actions: IF this error occurs together with BD3 errors, look for actions at BD3 errors.
Else it could be caused by leaking milk pump tube (pressure side) or check filter and safety/flush valves.
References: 2.1.3 How to manually test Safty/flush and Filter valve in SI (Needs Vacuum):
2.1.2 How to simulate samples trough SI :
2.1.7 BD3 Air
HSM Error message:
Description: Sample detected at BD3 but sample has been to short or there has been air bubbles in the sample.
Causes / Actions: Check MV arm tube for leakage. Check positioning of MV arm. Check lift of MV arm.
References: 2.1.5 Adjustment of Index on SI Multivalve.
2.1.8 BD3PresampleTimeout
Description: No sample has been detected at BD3 within the expected timeslot.
Causes / Actions: Test milking at farm, thus no milk samples taken at all.
Error in milk pump or milk pump tube, in the SI.
Error in safety flush valve.
No milk sent from sampler.
Mainline out valve on AI clogged.
References: 2.1.3 How to manually test Safty/flush and Filter valve in SI (Needs Vacuum):
2.1.2 How to simulate samples trough SI :
2.1.9 EL_AC_OFF_EXTERNAL_BUS
Description: The Alcom node no. that the AC uses is used by another unit on the Alcom bus.
Causes / Actions: Change Alcom node No. For AC on the external Canbus (alcom)
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