Milnor MWR09E5 Series General Operating And Troubleshooting page 46

Chapter 4. Testing and Troubleshooting
Figure 10: Test Mode Selected
.
4. Apply power to the machine. The display will appear similar to this:
Display or Action
ABCDEFGH
--------
Interpreting the Display
4.2.2.3.
2.
Display or Action
ABCDEFGH
----+---
DIP Switch Display
4.2.2.3.
3.
status of each of the DIP switch positions.
Display or Action
87654321
+--+---+
Viewing Inputs
4.2.2.3.
4.
• testing the switch or other auxiliary component that provides the input to the controller, and
• testing the controller and how it behaves when certain inputs are present.
Testing Auxiliary Components
4.2.2.3.
4.1.
controller, six of which can be actuated from the control panel on the front of the machine. The
two level switch inputs require grounding terminals on the level switch.
CAUTION 15 : Avoid personal injury—When input A is grounded, the machine
automatically closes and opens each of the 16 outputs in sequence. This arrangement prevents the
motor from turning the cylinder at drain or extract speed, but allows the cylinder to turn at wash
PELLERIN MILNOR CORPORATION
DIP Switch SW1
Explanation
Normally, inputs A through H will be off (noted by a minus sign
Output #
[–] below the letter) except perhaps input E. Input E will
00 is On
normally be on (noted by a plus sign [+] below the letter) if the
machine door is closed. Output 00 is on, indicating that the Door
Unlock button (
Explanation
This is the normal testing display as it appears at power-up with
Output #
the door closed. The eight inputs appear on the left of the
00 is On
display, and each output appears on the right side as it is
actuated. This display shows that input E is enabled, indicating
that the door is closed.
—From the normal testing display, press
Explanation
The switch positions appear on the top line of the display. A plus
sign (+) directly under a switch position indicates that the
position is off, while a minus sign (–) indicates that the position
is on.
—Two types of tests can be performed while observing the status of the inputs:
—The E-P OneTouch
) is enabled.
'
one time to view the on/off
>
®
controller has eight inputs into the