Liebherr Fault Code

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E 038

Hydraulic Temperature Creep / High Fan

System

Cooling

Symptom

Hydraulic Temperature Creep / High Fan

Diagnosis & fix steps

LOGIC: Proportional Hydraulic Fan Drive Solenoid (Y347) Short to Ground. ACTION: Measure fan solenoid coil resistance (~24Ω). Inspect harness routing along the engine compartment wall for chafing or melted wire insulation.

Red Seal field insights

Thermal Safety: Fail-safe logic forces the hydraulic fan pump to maximum displacement if the solenoid signal drops out, preventing oil degradation during heavy auger operations.

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