Troubleshooting Guide
How to Fix Dingli BT26RT Fault Code 04
Ground Controller MC2M Internal Fault
Error Code: 04Equipment: Boom Lift
Error Code 04 Diagnosis
What This Code Means
Ground Controller MC2M Internal Fault
Recommended Solution
Power cycle the machine. Check for water ingress in controller housing. Inspect all connector pins for corrosion. Replace controller if internal fault persists.
Verified Technical Content
This troubleshooting guide has been reviewed and verified by the China Lift Supply Technical Team. Our certified technicians specialize in Dingli equipment diagnostics and maintain accuracy based on official service documentation.
Reviewed by Christopher Ray, Technical Director
Parts & Tools You May Need
Based on this error code, these items may help with your repair
Digital Multimeter
ToolEssential for diagnosing voltage and current issues
Motor Controller
PartAC/DC motor controller for electric lift equipment
Need Parts to Fix This?
Common replacement parts for the BT26RT
Drive/Steer Joystick
DL-00005393Platform Function Joystick
DL-00005394Tilt Sensor
00010633Toggle Switch (Function Enable)
00006134Popular Dingli Troubleshooting
DingliBT26RT
Dingli Boom Lift
Machine Specs
EngineDeutz TD2.9 L4 / 55.4kW
Gradeability45%
Gross Weight16,090kg (35,472lb)
Power SourceDiesel
Why Trust This Guide?
- Based on official Dingli service documentation
- Verified by certified equipment technicians
- Updated with latest service bulletins