Operating Instructions
83
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,
Precedent 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.
•
If running a Pretrip Test on a trailer loaded with sensitive
cargo, monitor the load temperature during the test as
normal temperature control is suspended during pre-trip
operation.
•
Always perform Pretrip Tests with the trailer cargo doors
closed to prevent false test failures.
Performing a Pretrip Test
If a Pretrip Test is initiated with the engine shut down a Full
Pretrip Test will be performed. If a Pretrip Test is initiated with
the engine or motor running a Running Pretrip Test is
performed.
•
Before initiating a Pretrip Test, clear all alarm codes.
•
To stop a Pretrip Test at any time turn the unit off.
Pretrip Tests are initiated using the Pretrip Menu. From the
Standard Display, press the MENU Key (Figure 80).
Figure 80: Menu Key
MENU
35
°F
35
SET
SENSORS
GAUGES
POINT
.8
ON
OFF
Summary of Contents for Precedent S-600
Page 9: ...6 ...
Page 11: ...Introduction 8 ...
Page 15: ...EPA Emission Control System Warranty Statement 12 ...
Page 38: ...Unit Description 35 Figure 13 SR 4 Controller ...
Page 39: ...Unit Description 36 ...
Page 43: ...Remote Status Display Optional 40 ...
Page 127: ...Operating Instructions 124 ...
Page 143: ...Optional Rear Remote Control Panel 140 ...
Page 179: ...Alarm Codes 176 ...
Page 197: ...Warranty 194 ...
Page 209: ...Maintenance Inspection Schedule 206 ...
Page 213: ...Serial Number Locations 210 ...
Page 217: ...214 ...