□ Check the display box to see if it has initiated a system check. If
there is no display, there is no power to the control box. The
display box should display SYSTEM CHECK then SYSTEM
READY.
□ Start the engine and allow it to reach operating temperature
□ Press ON/ENTER on the display box. The display box should
show SYSTEM RUNNING and start the compressor system.
Engine RPM will increase for a few moments while the
compressor system comes up to pressure, then RPM will
settle to the VR Idle RPM. This is normal operation.
□ With the system running, release the Park Brake.
□ The system should shut down and the display box show,
ERRORS DETECTED.
□ Press ON/ENTER and the display box should show, PARK
BRAKE NOT ENABLED.
□ Re-engage the park brake.
□ Press ON/ENTER and follow on-screen directions to restart the
compressor system.
□ While the system is running, pull the truck’s hood release lever.
□ The system should shut down and show, ERRORS DETECTED.
□ Press ON/ENTER and the display box should show, CLOSE
HOOD TO START.
□ Close the truck’s hood.
□ Press ON/ENTER and follow on-screen directions to restart the
compressor system.
□ Check that the LED Beacon module is not illuminated.
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