Possible Faults And Troubleshooting Help - GEA DairyRobot R9500 Operation Manual

7.3

Possible faults and troubleshooting help

Green indicator lamp
does not come on
No sample in the sample
bottle
Too much or too little
sample in the sample
bottle
To little sample in the
sample bottle
Different sample
volumes in sample
bottles
Sample is missing the
sample bottle
7821-9001-005
01. October 2019
Malfunction
Cable not connected
Faulty LED
Sampling hose is not
connected correctly, or is
blocked, kinked or torn
Hose pump defective
Crimp valve and/or air
inlet hose for mixing
open
Sampling hose is the
wrong length
Wrong switch position
Reducing hose pump
capacity
Sampling hose (red) is
kinked
Air inlet hose for mixing
is leaking
Suction hose (red) is
caseated
Suction hose
(transparent) is sucking
itself onto the tank.
Chain and/or chain
sprockets are worn out
Limit switch is being
passed
The encoder of the drive
motor is faulty
Possible faults and troubleshooting help
Possible cause
Operating faults
Solution
Check and connect
correctly if necessary
Replace LED
Check and replace if
damaged
Replace faulty parts
Check and replace any
defective parts
Use the original length
Reset the quantity
Readjust the quantity
with the switch
Replace the hose of the
hose pump
Adjust the sampling
hose until it is no longer
kinked
Check and replace if
damaged
Disconnect the suction
hose from the tank and
hold it in a vessel
containing hot water; run
the pump manually for
one minute to flush the
hose.
Push the suction hose in
the tank up to the lid
nozzle and attach it to
the draw tube using a
sealing ring
Replace faulty parts
Check and adjust the
limit switch trigger point
Check the encoder, and
replace the motor, if
necessary
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