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Machine Errors
37
70444801
Auto Ignition Retry (Gas Models
Only)
If the Ignition Control Module (ICM) fails to ignite the
gas valve the ICM will send an ICM Lockout Alarm to
the control. When the control receives the ICM
Lockout Alarm it will increment the ICM Lockout
Alarm audit counter. When the error becomes fatal
(user input needed to restart the machine) the control
will increment the Heat Error audit counter and record
the Heat Error in the Last Eight Alarms Menu.
If the ICM needs to be manually reset, when the
control receives the ICM Lockout Alarm it will
display the Cycle Stopped Menu with text prompting
the user to press the
keypad to reset the ICM.
The user can continue to reset the ICM until there are
no more programmable retry attempts (factory default
is 3) or the gas ignites. On machines equipped with an
ICM that does not need to be manually reset, when the
control receives the ICM Lockout Alarm it will turn
the heat relay off for twenty (20) seconds and then turn
it back on to try and ignite the gas. The control will
continue to try and ignite the gas until there are no
more programmable retry attempts (factory default is
3) or the gas ignites. If the ICM fails to ignite the gas
on the last attempt the control will start the Cool Down
portion of the cycle, display the heat error message
and sound the audio signal. When the Cool Down
portion of the cycle ends the control will continue to
display the error message until power is cycled to the
machine or a user presses the
keypad.
Air Flow Switch Errors
The control will flag an Airflow Switch Error under
several conditions. Airflow Switch Errors will be
processed differently depending upon what state the
machine was in when the error was detected.
Airflow Switch Sensed Closed While Not
In Run Mode
If an airflow switch is sensed closed 30 seconds after
entering Idle Mode, or End of Cycle Mode, the control
will display an error message until power is cycled or
the error clears. The cycle will not start and all user
inputs will be ignored. If the error does clear, the
control will go back to its previous mode of operation.
When this error occurs the Airflow Switch 1 error
counter will be incremented and the error will also be
saved to the Last Eight Alarms Menu.
Airflow Switch Does Not Close After Cycle
Started
If the airflow switch does not close within 5 seconds
of the start/re-start of a cycle, the control will go to the
Cool Down portion of the cycle, display an error
message and sound the audio alarm. Once the Cool
Down portion of the cycle ends, the control will
continue to display the error message until the power
is cycled to the machine or the
keypad is
pressed. When this error occurs, the Airflow Switch 2
error counter will be incremented and the error will
also be saved to the Last Eight Alarms Menu.
Airflow Switch Bounces During A
Running Cycle
If the airflow switch is open for at least one second,
the heat will be turned off and will remain off until the
switch is observed closed for at least 5 seconds (it is
flagged as an airflow switch bounce). If there are 5
airflow switch bounces within 5 minutes the control
will go to the Cool Down portion of the cycle, display
an error message and sound the audio signal. When the
Cool Down portion of the cycle ends, the control will
continue displaying the error message until power is
cycled or a user presses the
keypad. When this
error occurs, the Airflow Switch Bounce Error will be
incremented and the error will also be saved to the
Last Eight Alarms Menu. The Airflow Switch Bounce
counter will be incremented for every instance of an
airflow switch bounce.
Rotation Sensor Error
If the machine is equipped with a rotation sensor, the
control will constantly monitor the input and calculate
the cylinder’s rpm. If the rpm drops to zero while the
cylinder is supposed to be spinning, the control will go
to the Cool Down portion of the cycle. The control
will display an error message and sound the audio
signal. Once the Cool Down portion ends, the control
will continue to display the error message until power
is cycled to the machine or the correct keypad is
pressed. This error will increment the Rotation Sensor
Error counter and will be saved in the Last Eight
Alarms Menu.
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