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Testing Machine and Electronic Control Functions
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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.