Diagnostic test descriptions – Alliance Laundry Systems 70444901R3 User Manual

Page 31

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Testing Machine and Electronic Control Functions

29

70444901

Diagnostic Test Descriptions

Control Software Version Number Test

This option displays the control software version

number. To start test, control must be in the Testing

Mode. Refer to “How to Enter Testing Feature” at the

beginning of this section.
To enter, press the Start (

) keypad. The display

will show “



xx” where “xx” is the software version

number.
To exit the Software Version Number Test, press the

Back ( ) keypad. The control will return to the testing

mode.

Loading Door Test

This option tests the loading door switch. To start test,

control must be in the Testing Mode. Refer to “How to

Enter Testing Feature” at the beginning of this

section.
To enter, press the Start (

) keypad. The display

will show “



” when the loading door switch is

open and “



” when the loading door switch is

closed.
The loading door switch has to be closed or open for at

least one second for the control to register the switch

as closed or open.
To exit the Loading Door Test, press the Back ( )

keypad. The control will return to the testing mode.

Lint Door Test

This option tests the lint door switch. To start test,

control must be in the Testing Mode. Refer to “How to

Enter Testing Feature” at the beginning of this

section.
To enter, press the Start (

) keypad. The display

will show “



” when the lint door switch is open

and “



” when the lint door switch is closed.

The lint door switch has to be closed or open for at

least one second for the control to register the switch

as closed or open.

NOTE: Loading door must be closed while testing

lint door.

To exit the Lint Door Test, press the Back ( ) keypad.

The control will return to the testing mode.

Heater Interlock Test

While this test is running, the control will show the

status of the following inputs for two seconds each.

The control will continue scrolling through the input

status displays until the test is aborted.
To start test, the control must be in the Testing Mode.

Refer to “How to Enter Testing Feature” at the

beginning of this section.
To enter, press Start (

). Refer to five sections

below for more details on individual statuses.

NOTE: These switches are tested in sequence. If

one switch is sensed open, the rest will be open as

well. For example, if the fan motor contactor switch

is open, all of the switches will be open.

To exit the test, press the Back ( ) keypad. The

control will return to the testing mode.

Fan Motor Contactor Switch

The display will show “



” if the switch is

sensed open and “



” if the switch is sensed

closed.

Fan Motor Centrifugal Switch

The display will show “



” if the switch is

sensed open and “



” if the switch is sensed

closed.

Cabinet High Limit Thermostat

The display will show “

 

” if sensed open for at

least 1.5 seconds and “

 

” if sensed closed for at

least one second.

Stove High Limit Thermostat 1

The display will show “

 

” if sensed open for at

least 1.5 seconds and “

 

” if sensed closed for at

least one second.

Stove High Limit Thermostat 2

The display will show “

 

” if sensed open for at

least 1.5 seconds and “

 

” if sensed closed for at

least one second.

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