Check Low Speed RPM
engine
Description
Low speed RPM is not between 1300 and 1400 rpm or does not drop back in time, and engine pretrip fails; electric operation does not make this test.
Activation Conditions
Test #4: With the CAN calling for low speed, engine speed is NOT between: 1300 and 1400 rpm. Test #6: 15 seconds after the High Speed Pretrip Test #5, engine speed has NOT dropped back to the low speed range (within 15 seconds). This test will be skipped if the 00130 Check Engine RPM Sensor alarm is active.
Unit Behavior
Engine Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”. Electric Operation: This test is not made.
Reset Conditions
Auto reset if Pretrip is started again or alarm may be manually reset using the display mounted keys or by turning the unit off then back on again.
Corrective Actions
Check low speed operation - Refer to procedure for alarm 00037 Check Low Speed RPM. Alarm condition must be corrected and the alarm cleared to continue.