Holder C 9.88 H Problems, Cause, Remedy, Problems in Engine and Exhaust Gas Turbo- charger

Models: A4 VG 40 EP A6 VM 55 EP C 9700 C 9700 H C 9.72 C 9.78 H C 9800 H C 9.83 H C 9.72 H C 9.88 H VG 50 EP

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Problems, Cause, Remedy

C 9700 ... C 9.88 H

Operating Instructions

Problems, Cause, Remedy

The following tables list problems and their possible causes. If you can not carry out the remedy yourself, please contact an authorized workshop or our customer service.

Test and Control Box BB3, with which further troubleshooting/ diagnostics are possible, are available as option.

Problems in Engine and Exhaust Gas Turbo- charger

Please observe the notices in the operating manual for the engine.

Problems in Electronic and Hydraulic Drive

System

Malfunction

Cause

Remedy

 

 

 

Tractive force too low

Feed pressure too low

Check valve!

 

High pressure too low

Check high pressure valves

 

Variable pump or variable motor

Repair variable pump or variable motor

 

leakage too large

 

No forward or reverse travel possible

Drive or power take-off defective

Repair

No feed pressure

Check feed pump

Control cylinder in variable pump stuck Replace variable pump

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Holder C 9.88 H, VG 50 EP, C 9.72 H Problems, Cause, Remedy, Problems in Engine and Exhaust Gas Turbo- charger, Malfunction