Thermo King UT-1200, Manual

Page: 65 / 169

Operating Instructions for Premium HMI Control Panel
65
• Alarm Code 92 Sensor Grades Not Set -
Clears when the sensor grade is changed from
5H.
If the Limited Alarm Restarts feature is enabled
the following additional alarm codes may only be
cleared from the Guarded Access Menu. If this is
the case, the CLEAR soft key will not appear if
the alarms are displayed from the Main Menu or
the Maintenance Menu.
• Alarm Code 10 High Discharge Pressure
• Alarm Code 23 Cooling Cycle Fault
• Alarm Code 24 Heating Cycle Fault
• Alarm Code 32 Refrigeration Capacity Low
Displaying and Clearing Alarm Codes
Alarms are displayed and cleared using the Alarm
Menu. From the Standard Display, press the
MENU key.
Figure 93: Menu Key
The Language Menu or Alarms Menu will appear.
If the Language Menu appears press the NEXT
key to show the Alarm Menu. When the Alarms
Menu is shown press the SELECT key.
Figure 94: Select Key
The Alarm Display will appear. If no alarms are
present NO ALARMS will be shown.
Figure 95: No Alarms
If alarms are present, the quantity of alarms (if
more than one) and the most recent alarm code
number will be shown. In the example in Figure
96, there are two alarms present. The most recent
is Alarm Code 5 (Figure 97). It indicates a
problem with the ambient temperature sensor.
Figure 96: Alarm Code 6
After the alarm situation is resolved press the
CLEAR key to clear the alarm. For additional
information regarding the alarm shown on the
display, press the HELP key. To display the next
alarm, press the NEXT key.
Figure 97: Next Key
If a serious condition occurs, the unit will be shut
down to prevent damage to the unit or the load. If
this occurs, the display will show that the unit is
shut down and display the alarm code that caused
the shutdown. In the example in Figure 98, the
unit is shut down due to low oil level. For
additional information regarding the alarm shown
on the display, press the HELP key.
Figure 98: Help Key
A help message will appear. For the alarm shown
in Figure 98, the message “CHECK OIL LEVEL.
IF UNIT IS SHUT DOWN, REPAIR
IMMEDIATELY. OTHERWISE, REPORT
ALARM AT END OF THE DAY” will be shown
on the display. Check the oil level and add oil as
required, clear the alarm and restart the engine.