Installation manual

May 2009 AfiFree Terminal 155i Installation Manual 87
Table 21: Troubleshooting Guide
Indication
Probable cause
Possible solutions
Under-weighing
The amount displayed is less
than the actual amount of
milk.
AfiFree Body is not level
Level the AfiFree Body as
described in Mounting and
Wiring the AfiFree Body, page
34
Leak in the AfiFree Body
resulting in penetration of
air into the system
 Check that the cover is on
securely
 Check for leak in lid gasket
 Check for leak in wash
diaphragm
 Check for penetration of air
into the cluster
 Check for malfunction of
vacuum shut off valve
 Check for cracks and wear
on the lining
 Check that cluster gaskets
are securely in place
Blocked air bleeder of the
AfiFree Body
Unblock the air bleeder
The G parameter is
inaccurate
Change the G parameter to the
correct value.
Alternating large weighing
deviations (Alternating over-
weighing and under-weighing)
The elbow joint between
the body outlet and the
milk line has a negative
slope.
Correct the slope as necessary
Diaphragm sometimes
does not open properly
 Check that during milking,
diaphragm is open
 Check that diaphragm is not
amortized
 Check that AfiFree Body
cleaning valve is OK
 Check that there is no
vacuum leakage in
diaphragm’s pipe
Fluctuating vacuum
supply.
Check vacuum pump
Electrodes dirty or coated
in milk lime
Perform acid wash using 1.5-
2% acid solution
AfiFree155i milk meter not
responding to external start
button
Defective connection
Check that the external start
button cable is correctly
connected to the connection
box