Milnor 30015T5E Installationshandbuch PDF herunterladen (Seite 38)

Chapter 4. Testing and Troubleshooting

PELLERIN MILNOR CORPORATION

Figure 8: Selecting Test Mode on DIP Switch SW1

Illustration Legend

Position 8

for

Run

mode (normal setting)

Position 8

Off

Test

mode

(troubleshooting only)

4. Apply power to the machine. The display will appear similar to this:

Display or Action Explanation

ABCDEFGH Output #

-------- 00 is On

Normally, inputs A through H will be

off

(noted by a minus sign

[–] below the letter) except perhaps input E. Input E will

normally be

(noted by a plus sign [+] below the letter) if the

machine door is closed. Out

ut 00 is on, indicatin

that the

Door

Unlock

button (

) is enabled.

4.2.2.3.2.

Interpreting the Display

Display or Action Explanation

ABCDEFGH Output #

----+--- 00 is On

This is the testin

dis

as it a

ears at

ower-u

with the door

closed. The eight inputs appear on the left of the 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.

4.2.2.3.3.

Viewing Inputs

—Two types of tests can be performed while observing the status of the inputs:

• 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

—The TxE controller has eight inputs into the

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 11

: 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 speed in either direction if the door is

closed.

• Never attempt to defeat the safety mechanisms to test cylinder rotation with the

door open.

Formula A and timer stop (Input A)

—This input is grounded (changes from – to +) when

is pressed, indicating that the keypad button is working and the processor is correctly

interpreting the signal. If the

timer stop

feature of this machine is used (usually by the

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