Liebherr Fault Code

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E 318

All Working Hydraulics Disabled

System

Safety / Interlock

Symptom

All Working Hydraulics Disabled

Diagnosis & fix steps

LOGIC: Cab Armrest Safety Switch / Emergency Stop Circuit Open. ACTION: Inspect left-hand console safety lever micro-switch contacts. Check physical status of all e-stop switches around the rig undercarriage and engine bay.

Red Seal field insights

Safety Override: Dual-channel interlock loop drops pilot pressure supply to all control valve banks if console or perimeter safety circuits break.

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