Alliance Laundry Systems 70444901R3 - Manual (Page 35)

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Testing Machine and Electronic Control Functions
33 70444901
Production Test Cycle
To Enter Production Test Cycle
1. Be certain control is in Idle Mode.
2. While pressing and holding the Down ( )
keypad with one hand, press the Back ( )
keypad with the other hand.
3. When the control enters the Production Test
Cycle, it will first display “   ” with the “  ”
showing the software version of the control.
4. The control will advance through the sequence of
test steps whenever any keypad is pressed, with
the exception of the Keypad Test. Refer to
Table 7 for all tests in the Production Test Cycle.
To Exit Production Test Cycle
The test will be exited when the time reaches “  ” on
the control in the 10 Minute Test Cycle. Otherwise, the
control must be powered down to end the test.
NOTE: If power to the control is turned off before 10 Minute Test Cycle has ended, the cycle will be cleared
from control.
Table 7
Production Test Cycle Quick Reference Table
Display Test Mode Comments
“ ” Software Version XX is the software version number.
“ ” Control Type 2, 3, 4, 5 or 6, depending on brand.
“ ” Keypad Test When a key is pressed, the control will display the number assigned to
the keypad. As each keypad is pressed, the control will display the
number assigned to it in the last digit of the display until the next key is
pressed (example, if Key 1 is pressed the control will show “ ”).
When all keypads have been pressed, the control will advance to next
step after a one second delay.
“” or
“”
Loading Door Test The control will display the status of the loading door: “” if door
is open or “” if door is closed.
“” or
“” Lint Door Test The control will display the status of the lint door: “” if door is
open or “” if door is closed. Loading door must be closed.
All LEDs and
display segments
will light
Show Entire Display Mode The audio signal is turned off. Control will stay in this mode until any
key is pressed.
“ ” Machine Configuration #2
Display  is the configuration byte value. The control will remain in this mode
until any key is pressed.
– DIP Switch Configuration The control will show the sum of all switches in the  position. The
control will remain in this mode until any key is pressed.
Degrees in 5°F
increments,
“  ”,
“  ”
Thermistor Temperature
Test The temperature will be displayed in either Fahrenheit or Celsius,
depending on machine’s configuration (refer to Programming Control).
If control senses a shorted thermistor, SH will be displayed. If control
senses an open thermistor, OP will be displayed.
– Moisture Sensor 1 Test
(Shorted) Refer to Diagnostic Test Descriptions. Test step lasts for 15 seconds.
– Moisture Sensor 2 Test
(Resistance)
Refer to Diagnostic Test Descriptions. Test step lasts for 15 seconds.
“  ” 10 Minute Test Cycle Determines if tumbler can function in a cycle for 10 minutes. Start pad
will flash one second on and one second off. The Start pad can be used to
decrease time remaining. If Start pad is not pressed within 4.25 minutes,
the control will return to Idle Mode.