Troubleshooting Guide
How to Fix Dingli BT26RT Fault Code 66
Main Boom Position Limit Active
Error Code: 66Equipment: Boom Lift
Error Code 66 Diagnosis
What This Code Means
Main Boom Position Limit Active
Recommended Solution
Main boom is restricted to operating range (-55° to 55°). This occurs when articulating sensor or angle redundancy fails. Check boom angle sensors. Verify sensor calibration values.
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
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