Milnor 30015T5E Installationshandbuch PDF herunterladen (Seite 32)

Chapter 4. Testing and Troubleshooting

PELLERIN MILNOR CORPORATION

Then press the

Terminate

button (

) to clear the error condition. Finally, hold the

Door Unlock

button (

) and press firmly on the door latch handle.

After correcting any error with the inverter itself, start the formula again.

— End of BICEUT03 —

Document ..............BICEUT0

ec Date ................ 2001012

4.2. Testing TxE Washer-extractors

As-of Date ............... 2001012

4.2.1.

Testing without the Display Kit

Most functions of this machine can be tested with an accurate digital voltmeter if the

schematic diagrams are available and you have a thorough understanding of how the machine

normally operates.

The following rules will help you determine the current machine event. The events in each

formula are listed in “TxE Event Timing” (see table of contents).

1. The

In Progress

light turns

, the drain

closes

, the commanded water valves

open

, and the

door locks as soon as a formula is selected.

2. The basket begins rotating clockwise four seconds after the

In Progress

light turns

. After

20 seconds of clockwise rotation, the basket dwells for four seconds, then rotates counter-

clockwise for 20 seconds.

3. When the desired level is achieved, the water valves

and the formula timer runs.

4. Signals for the injection of any desired chemicals occur 15 seconds after the timer starts

counting for the bath. Chemical injection signals last 30 seconds.

5. The chemical manifold flush signal activates 15 seconds after the chemical injection signal

ends, and lasts for 30 seconds.

6. When 15 seconds remain in any bath step, the basket

dwells

for four seconds, then

rotates

clockwise for the remaining 11 seconds of the step. This ensures that the basket is rotating

clockwise when drain speed is commanded.

7. The drain

opens

15 seconds after drain speed is commanded.

8. The motor

runs

at drain speed for 30 seconds after the drain opens.

9. If the drain step is immediately followed by a bath step (without an intervening extract), the

basket

coasts

for 15 seconds before the next bath begins. The basket does not coast after a

drain step if the next step is an extract.

10. The basket coasts for 75 seconds after an extract step.

11. The

Door Unlock

button is enabled when the coast ends (75 seconds after the final extract

ends).

4.2.2.

Testing with the Display Kit

A kit consisting primarily of a vacuum fluorescent display and a wiring harness to connect

the display to the microprocessor controller is available from the Milnor

factory. Contact the

Milnor

parts department for details.

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