Sandvik Fault Code

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SPN 523620 FMI 04

Drill Feed Will Not Advance

System

Hydraulics

Symptom

Drill Feed Will Not Advance

Diagnosis & fix steps

LOGIC: Percussion Rock Drill Feed Enable Solenoid Short to Ground. ACTION: Measure feed enable solenoid coil resistance on the carrier valve bank. Trace control wire loom along the boom telescope tube for pinch damage from boom extension cylinders.

Red Seal field insights

Cable Drag: The heavy hose and cable bundle running to the rock drill carriage rubs against rock walls in tight stopes, causing internal shorts to the chassis frame.

Same code keeps coming back?

That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.

Book an uptime review

Read before you touch anything

  • This is general reference information, not a repair manual. It is for trained, qualified technicians.
  • Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
  • Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
  • You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
  • Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.

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