Carrier VECTOR 6500 Operation & Service Manual page 163

Alarm
Steps
NO.
38 CHECK HIGH SPEED RPM - Continued
6 Check Engine RPM
a. Check actual engine RPM using
hand held tachometer.
b. Compare actual RPM with those
shown on display.
7 Check Engine Air–Intake System
a. Check air cleaner indicator.
b. Inspect air intake system.
8 Check Engine Exhaust System
Inspect the exhaust system.
62-11389
Alarm/Cause
7−30
Corrective Action
Refer to Table 2-1.
Both readings within ± 50 RPM.
Flag must not be visible.
Hoses & tubes in good condition.
No kinks or restrictions.
Must be clear and unobstructed.