Thermo King Precedent C-600M, Operator'S Manual

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Operating Instructions
62
Main Menu Features
Pretrip
A Pretrip Test verifies unit operation. This display allows a
Pretrip Test to be selected and initiated by the operator. If the
Pretrip Test is entered with the unit shut down a Full Pretrip
Test with device amp checks will be performed. If the Pretrip
Test is entered with the unit running in either diesel or electric
mode a Running Pretrip Test is performed. Test results are
reported as PASS, CHECK or FAIL when the Pretrip Test is
completed.
Pretrip Test Conditions
• Current unit settings are saved and restored at the end of
the Pretrip Test or if the unit is turned off and back on.
• Pretrip Test can be run in either Diesel or Electric Mode.
• The unit will auto switch from Diesel Mode to Electric
Mode or from Electric Mode to Diesel Mode during a
Pretrip Test if these features are enabled and the auto
switch conditions occur.
Conditions where Pretrip Tests are not
Allowed
• If any shutdown alarms are present. Pretrip tests are
allowed with some Check and Log alarms.
• If the unit is in Sleep Mode.
• If the unit is in Service Test Mode, Interface Board Test
Mode or Evacuation Mode.
Pretrip Test Considerations
When performing a Pretrip Test, the following issues should be
considered.
•
If running a Pretrip Test on a trailer loaded with dry cargo,
insure that proper airflow can occur around the load. If the
load restricts airflow, false test results may occur. Also,
SR-4 units have high refrigeration capacity which results
in rapid temperature changes. Sensitive dry cargo may be
damaged as a result.
• If running a Pretrip Test on a trailer that has just been
washed down, the extremely high humidity inside the
trailer may result in false test results.