Komatsu Fault Code
Free · no signupE02
Pump Contol Error.
System
Not specified
Symptom
Pump Contol Error.
Diagnosis & fix steps
LOGIC: PC-EPC Valve solenoid failure.
ACTION: Measure resistance at the pump solenoid (7-14 Ohms). Check the wiring harness for frame rubs.
Red Seal field insights
If this valve fails, the pump stays at "Max Swash," and the engine will stall as soon as you touch a lever.
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