Taylor-Wharton 24K w/ AutoTend - Manual (Page 22)

condition. The red light will continue to flash until all errors are corrected. It can not be
disabled without disconnecting the power supply. The remote alarm will be activated
if the power supply is interrupted.
The High Temperature Alarm for Thermocouple #1 can be set through the menu
system (MENU, 3, 1). This alarm is activated if the temperature rises above the
designated temperature. The alarm temperature can range from 0ºC to -190ºC. It can
also be disabled.
The High Temperature Alarm for Thermocouple #2 can be set through the menu
system (MENU, 3, 2). This alarm is activated if the temperature rises above the
designated temperature. The alarm temperature can range from 0ºC to -190ºC it can
also be disabled.
System Alarms
The Low LN
2
Supply Alarm can be set through the menu system (MENU, 3, 3, 1).
This alarm is activated if the solenoid valve is not closed within a designated time
period after a fill starts. The solenoid valve can be closed either automatically (the
LN
2
level reaches the STOP FILL sensor) or manually (the stop fill button is pressed)
to stop the timer which activates this alarm. The possible choices for this alarm are
None, 15, 30, 45, 60 minutes, 2 or 3 hours. This error does not correct itself until the
fill is stopped (the solenoid closes).
The Sensor Error Alarm can be set through the menu system (MENU, 3, 3, 2). This
alarm is activated if the control detects a sensor error such as an open sensor. The
possible choices are ENABLE or DISABLE. An open sensor can be confirmed
through the TEST LEVEL SENSORS option in the menu
system (MENU, 2,1).
The Remote Alarm Timer can be set through the menu
system (MENU, 3,3,3,). This is the amount of time
allowed to pass before the remote alarm relay is triggered
if an error condition is not corrected. The possible choices
are None, Immediate, 30 minutes, 60 minutes or 2 hours.
The Lid Open Too Long Alarm can be set through the menu system (MENU,3,3,4).
This is the amount of time the lid can be opened before it triggers an alarm condition.
The possible choices are None, 1, 2, 5 or 10 minutes.
The Thermocouple Alarm can be set through the menu system (MENU,3,3,5). This
alarm is activated if either thermocouple experiences an open circuit. The possible
choices are ENABLE or DISABLE.
Test Alarms
The audible, visual and remote alarms can be tested at any time by the user through
the menu system (MENU, 3,4). Follow the instructions on the display to hear the
audible “chirping” indicator of an alarm or to see the red LED flash or to trigger an
immediate relay closure of the remote alarm.