JLG G6-42A Service Manual - Manual (Page 204)

Electrical System
9-48 G6-42A, G9-43A, G10-43A
3921 5421 7 Amber
Engine Turbocharger Wastegate Actuator—
Mechanical system not responding or out
of adjustment
3922 5421 5 Amber
Engine Turbocharger Wastegate Actuator—Current
below normal or open circuit
3923 5421 6 Amber
Engine Turbocharger Wastegate Actuator—Current
above normal or grounded circuit
3924 520553 11 Amber Utility Reverse kW Fault—Condition Exists
3925 1188 2 Amber
Engine Turbocharger Wastegate Actuator 1 Position
—Data erratic, intermittent or incorrect
3927 5421 11 Amber
Engine Turbocharger Wastegate Actuator—Root
Cause Not Known
3928 5421 11 Amber
Engine Turbocharger Wastegate Actuator
—Condition Exists
Fault
Codes
SPN
Codes
FMI
Codes
Lamp
Color
SPN
Description
Cummins Description