Holder C-Trac C 9700 - Manual (Page 146)

Operating Instructions
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C 9700 ... C 9.88 H
Malfunctions, cause, remedy
Problem Cause Remedy
Tractor drives only in one direction Forward/reverse selector switch
defective
Electrical connection to the variable
pump interrupted
Replace forward/reverse selector
switch
Make connection
No maximum speed Diesel engine does not attain
maximum RPM
Inch pedal not at maximum speed
Variable pump not at full delivery
Sensor for ground speed defective,
adjust electrical connection if
required
Check accelerator linkage
Check Diesel engine
Adjust inch pedal and/or inch pot,
calibrate
Check maximal current
Check proportional solenoid
Check or replace sensor, check
electrical connection
Does not remain stationary when
inch pedal is fully depressed Inch pedal at wrong position, maybe
foreign objects in actuator
Inch pot not adjusted properly
Adjust properly, remove any foreign
objects
Adjust inch pot, calibrate