Sany Fault Code

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CAN COMM FAIL

No Engine Data on Display.

System

Network (SYMC)

Symptom

No Engine Data on Display.

Diagnosis & fix steps

LOGIC: CAN-bus backbone lost communication between the display and engine ECM. ACTION: Check the terminating resistor (60 or 120 ohms) at the rear of the machine.

Red Seal field insights

PRO-TIP: Sany uses an "Assembly Mode" switch. If this switch is toggled, it suppresses many LMI alarms to allow for setup, but it can mask real faults.

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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