What does Mantis fault code Error 02 mean?

Q: What does Mantis fault code Error 02 mean?

Error 02 indicates: Load reading is frozen or shows ""; Lockouts may engage. Fix: Pressure Transducer Fault (P1 or P2). LOGIC: The LMI calculates load by measuring hydraulic pressure in the boom hoist cylinder. Error 02 means the "Rod-Side" or "Piston-Side" sensor is disconnected or dead. ACTION: 1. Check the 2nd/3rd transducers on the lift cylinder. 2. Verify the cable is not pinched by the boom cylinder pins. FIX: Repair the shielded cable or replace the 4-20mA pressure transducer.

Mantis Fault Code

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Error 02

Load reading is frozen or shows ""; Lockouts may engage.

System

Rayco Wylie LMI

Symptom

Load reading is frozen or shows ""; Lockouts may engage.

Diagnosis & fix steps

Pressure Transducer Fault (P1 or P2). LOGIC: The LMI calculates load by measuring hydraulic pressure in the boom hoist cylinder. Error 02 means the "Rod-Side" or "Piston-Side" sensor is disconnected or dead. ACTION: 1. Check the 2nd/3rd transducers on the lift cylinder. 2. Verify the cable is not pinched by the boom cylinder pins. FIX: Repair the shielded cable or replace the 4-20mA pressure transducer.

Red Seal field insights

These sensors are exposed to the elements. If you’ve just pressure-washed the crane and this code pops up, there is water in the Deutsch connector. Blow it out with compressed air and use dielectric grease.

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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