Trailer Overview: Reefer (Untethered)

The Reefer tab on the trailer details - Overview tab shows the untethered reefer attributes that appear on the last status report. The trailer manufacturer (Carrier or Thermo King) appears in the header, and the time indicates the last time the terminal communicated with the reefer.

Mode
Indicates the operating mode of the reefer at the time of the last status report. Possible values are:
  • Not Applicable
  • Alarm Shutdown
  • Off Cycle
  • Sleeping
  • On (Running)
  • PC
  • Configuration
  • Data recorder only
  • Idle
  • Silent
  • Reserved
Engine
The reefer's engine status at the time of the last status report. Possible values are:



If all three engine modes are N/A, then the Engine value is "Not supported."

Operating Status
The reefer's Zone 1 operating status at the time of the last status report. Possible values are:
  • Not Installed
  • Off
  • High Speed Cool
  • Low Speed Cool
  • Null
  • High Speed Heat
  • Low Speed Heat
  • Defrost
  • Pretrip
  • OEM1
  • OEM2
  • Sleeping
  • Reserved
Set Point
The driver set point is the temperature the driver sets at the reefer to maintain the correct temperature.
Return Air
The air temperature flowing from the compartment to the refrigerator.
Supply Air
The air temperature flowing from the refrigerator to the compartment.
Engine Hours
The reefer's accumulated engine hours.
Battery Voltage
The reefer's voltage at the last status report. Measured in units of 0.01V. 0-65535.
Fuel Level
The reefer's fuel level at the last status report. For analog sensors, it is a percent. For digital sensors, it states normal vs. low.
Reefer Alarm Severity
The severity of the most severe, active alarm according to the reefer vendor. The value range is 0 (no alarm) to 15 (System failure/Shutdown required).
Active Alarms
Alarms that have been asserted and not cleared at the time of the last status report.
Note: Ignore alarms are not displayed unless the alarm occurs with a reefer unit shutdown. Low fuel, temperature out of range, and set point alarms are always critical.
Ping
Click to locate a trailer. For more information, click Should I ping or use Emergency Tracking?
Activate
Click to activate Emergency Tracking. For more information, see Activate Emergency Tracking.

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