Holder C 9.92 H - Manual (Page 148)

C 9.92 Operating Instructions
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Malfunctions, causes, remedy
Malfunction Cause Remedy
Does not stop when inch pedal is fully
depressed Incorrect position of inch pedal,
possibly foreign objects in actuator
Inch potentiometer not correctly
adjusted
Adjust correctly, remove any foreign
objects
Adjust, calibrate the inch
potentiometer
Inch pedal is not functioning
(fault warning light flashing) Inch potentiometer defective or
without contact Replace inch potentiometer,
calibrate
Repair cable connection
Tractor does not stop in driving
program 1 or 2 without operation of
accelerator Engine idle speed is too high
Calibration is incorrect
Check engine, adjust idle speed,
check actuator
Perform calibration
Differential lock does not operate Fuse defective or bad contact
Switch defective
Hydraulic valve for diff. lock defective
or no pressure applied
No power supply
Check the fuse, make a connection
Make a connection
Check / renew the switch
Check the hydraulic system and
hydraulic valve
Check and repair electrical
connections, cables
Parking brake can not be released Switch defective Check – renew the switch