DeLaval ALPRO ID Champion, Instruction Book

Page: 21 / 28

Troubleshooting
DeLaval ALPRO ID Champion
1 Troubleshooting
No. Symptom Cause Action
1 Wrong ID or missed ID. Low
hit rate
More than one cow in front of
the antenna
Narrow and/or extend the lane
in front of the antenna
Use archway to prevent cows
from riding in the lane
Check that no steelwork is
missing or deformed
Transponders not functioning Exchange broken or weak
transponders
Transponder in the wrong side Move the transponder to the
correct side
Dirty, broken or misdirected
photocell
Clean the photocell
Correct the direction of the pho-
tocell. Should be directed to
read the cow right in front of the
antenna
Control the function of the pho-
tocell by entering ALPRO menu
6.4.3
Replace the photocell. Refer to
section "Replacing the photo-
cell" in chapter "Replace and
Repair".
Wrongly connected switch Connect the switch correctly. It
is important to get a correct sig-
nal, "open" when open and
"closed" when closed
The cables to the IRW
(12 VAC, ALCOM and Gate
switch wire) should not be
inside the antenna
The cables should go through
the grommets and then follow
steelworks or frameworks in
the parlour
Problems with ALCOM com-
munication
Check ALCOM settings
Check that the ALCOM bus is
connected
Antenna terminals should
always be properly connected
and have a clean surface
against board terminals
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DeLaval ALPRO ID Champion
Troubleshooting
© DeLaval 2014.
2014-12-03, Version 5 21 (28) 85417601