Liebherr Fault Code

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E 052

Hydraulic Functions Slow / Whine

System

Hydraulics

Symptom

Hydraulic Functions Slow / Whine

Diagnosis & fix steps

LOGIC: Main Hydraulic Tank Low Oil Level Switch Active. ACTION: Check hydraulic sight glass and top off oil level. Inspect level sensor float mechanism inside tank for varnish sticking or broken wiring leads.

Red Seal field insights

Pump Protection: Immediately limits main pump stroke to prevent cavitation and destructive dry-running of high-pressure axial piston pumps.

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