Komatsu Fault Code
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LS Select Solenoid Valve: Short Circuit
System
Hydraulic
Symptom
LS Select Solenoid Valve: Short Circuit
Diagnosis & fix steps
LOGIC: Load Sensing (LS) valve coil shorted.
ACTION: Measure ohms at the solenoid. If < 10 ohms, coil is shorted.
Red Seal field insights
Komatsu Logic: A short here usually puts the machine in "Limp Mode" with slow hydraulic response.
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