Alliance Laundry Systems 70444901R3 - Manual (Page 36)

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Machine Errors
The control displays and logs errors as they occur.
When the control senses the error condition, the audit
counter for that error increases by one. The control
saves the time and date of the last eight (8) errors that
have occurred. Following is a list of possible errors:
PDA Communications Error
These errors may occur during communications.
When an error occurs, the display indicates the error
message on the control for a few seconds. When a
PDA communication error occurs, the audit counter
Total Bad IR Communications is incremented, the
hour, date, and year of the event are saved, and the
error code is saved. An active machine cycle is not
affected when there is an error during PDA
communications and this error information is not
stored in the Last Eight Alarms Menu.
Open Thermistor Error
Any time the control senses a temperature less than 0
°F after the first three minutes of an active cycle, the
control will go to Cool Down, display this error
message, and then turn on the audio signal. The
control will continue to display the error message until
any of the keypads are pressed, the Cool Down portion
of the cycle has ended, and the temperature reading is
greater than 0°F. Press any keypad to stop audio
signal. Once all three occur, the control will return to
the Idle Mode. This error will cause the corresponding
Open Thermistor Audit Counter to be incremented and
is saved in the Last Eight Alarms Menu.
Shorted Thermistor Error
Any time the control senses a temperature greater than
210 + 4 °F during an active cycle, the control will
enter the Cool Down portion of the cycle, display this
error message, and turn on the audio signal. The
control will continue to display the error message until
any of the keypads are pressed, the Cool Down portion
of the cycle has ended, and the temperature reading is
less than 210 °F. Press any keypad to stop audio signal.
Once all three occur, the control will return to the Idle
Mode. This error will cause the corresponding Shorted
Thermistor Error Audit Counter to be incremented and
is saved in the Last Eight Alarms Menu.
Stove and Cabinet Limit Errors
There are up to two Stove Limit thermostats and one
Cabinet Limit thermostat on the machine. While the
heat relay is on, if the stove temperature or cabinet
temperature reaches the high temperature for the
particular limit thermostat, the heater will turn off
automatically and the control will continue the cycle
with no heat until the limit thermostat resets. Once the
control reaches the End of Cycle the control will
display the appropriate error message, if programmed
to do so, and sound the audio signal. The control will
continue displaying the error message until the control
returns to Idle mode.
The control will increment the appropriate stove or
cabinet error counter and record the error in the Last
Eight Alarms Menu.
NOTE: On some models the stove and cabinet limit
thermostats need to be manually reset. The
remainder of the cycle will be run with no heat. On
these models, the thermostat(s) must be reset prior
to cycling power or the control will return back to
Error Mode.