10
360113-1
UltraCW™ Automatic Cell Washing System Service Manual
N > MAX XX
When this message appears, the rotor speed being detected exceeds the maximum allowable speed.
Error
message
number
Possible cause
Action
05
The insulation on the speed sensor
cable is faulty.
1
Clear the error message: Turn off the power.
After about 10 seconds, turn it back on.
2
Check the speed sensor cable for wear. If worn,
replace the speed sensor.
A connection in the speed sensor
circuit is loose.
1
Clear the error message: Turn off the power.
After about 10 seconds, turn it back on.
2
Check the connection between the speed
sensor and the power supply board.
3
Check that the ribbon cable between the
control/display board and the power supply
board is securely connected.
A part in the speed sensor circuit is
faulty.
1
Clear the error message: Turn off the power.
After about 10 seconds, turn it back on.
2
Try the following tasks in order, testing after
each to determine if it solved the problem:
a
Test the speed sensor by measuring the
rotor speed. For instructions, see
Section
4.1, “Testing whether the rotor speed is
within the design tolerance.”
If the speed
is not within the tolerance, replace the
speed sensor.
b
Replace the ribbon cable between the
control/display board and the power
supply board.
c
Replace the ribbon cable between the
frequency converter and the power supply
board.
d
Replace the frequency converter. For
instructions, see
Section 4.7, “Replacing
the frequency converter.”
e
Replace the power supply board.
f
Replace the control panel.
