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360113-1
UltraCW™ Automatic Cell Washing System Service Manual
Problem
Possible Cause
Action
The rotor speed seems to
be too high or too low.
A part in the speed
sensor circuit is faulty.
1
Measure the rotor speed. For instructions, see
Section 4.1, “Testing whether the rotor speed is
within the design tolerance.”
2
Try the following tasks in order, testing after
each to determine if it solved the problem:
a
Replace the speed sensor.
b
Replace the motor.
c
Replace the frequency converter. For
instructions, see
Section 4.7, “Replacing
the frequency converter.”
Tubes are breaking
during processes with a
Decant step.
Tube holder inserts were
not installed correctly
before processing
10 mm x 75 mm tubes.
►
Install the tube holder inserts, and repeat
the process to determine if the problem was
solved.
The top of the tube does
not move freely around
the fill port.
►
Ensure that the height of the tubes is within the
acceptable tolerance of 75 mm ± 1.5 mm.
3.2
Addressing error messages
In the event of an error condition, the cell washer displays an error message to assist in troubleshooting.
This section provides possible causes associated with each error message and actions that should be taken.
XX represents the error message number.
CONTROL - ERROR XX
When a message of this type appears, there is a problem with the lid closing or locking, or a problem with
the control panel.
Error
message
number
Possible cause
Action
04,
06 to 09
Continued
The lid lock is faulty.
1
Clear the error message: Open the lid, then
turn off the power. After about 10 seconds, turn
the power back on.
2
Check if the lid can be opened while the cell
washer is turned off. If it can, replace the lid
lock.
A connection in the lid lock circuit is
loose.
1
Clear the error message: Open the lid, then
turn off the power. After about 10 seconds, turn
the power back on.
2
Check the contact connection between the lid
lock and the control/display board.
3
Check that the ribbon cable between the
control/display board and the power supply
board is securely connected.
