6
Pellerin Milnor Corporation
3 Troubleshooting
BNCOUT01 / 2018255
BNCOUT01
0000189631
B.3
1/2/20 1:25 PM
Released
3.1
Troubleshooting Errors
BNCOUT01.R01 0000189630 A.5 B.3 1/2/20 1:25 PM Released
Vibration Switch Tripped
— If the machine vibrates excessively during extract, the vibration
switch (SMWVB in the electrical schematics) closes to ground an input (MTA3-10) to the micro-
processor. When the machine is in an extract step and this input is grounded, the controller imme-
diately ends the extract step and starts the subsequent coast step. The formula then continues
normally.
NOTE:
The input which indicates that the vibration switch is tripped is shared with the
high water level pressure switch. Software determines whether to turn off the water valve
(s) or to signal the inverter to stop the motor depending on the operation running when the
input is grounded
Door Open
DANGER:
Entangle and Sever Hazards —
Cylinder door interlock—Operating the
machine with a malfunctioning door interlock can permit opening the door
when the cylinder is turning and/or starting the cycle with the door open,
exposing the turning cylinder.
�
If the basket continues to turn when the door is open, stop using the
machine immediately and contact an authorized maintenance person.
When the machine operates normally, relay-contacts 5 and 8 in relay CRDL close and make the
input on MTA3-5 to the microprocessor. If the door opens, the input stops. When the input stops,
the microprocessor stops the machine. For safety, the machine ignores all controls for 75 seconds
after the error.
If the door opens while the machine is operating, the
In Progress
light and the
Last Rinse
light
flash. Both lights flash
on
for two seconds, then turn
off
for two seconds, repeating for 10 mi-
nutes. After 10 minutes, the lights remain off.
To start the machine again:
1. press the
Terminate
button (
) to recover from this error,
2.
ensure that the door is securely closed,
3. then start the formula again.
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