Troubleshooting Guide
How to Fix Sinoboom 4655E Fault Code 12
Up/Down Switch ON at Power-up
Error Code: 12Equipment: Scissor Lift
Error Code 12 Diagnosis
What This Code Means
Up/Down Switch ON at Power-up
Possible Causes
- 1Chassis up or down switch stuck or activated during startup
Recommended Solution
Check wiring on toggle switch. Ensure switch returns to neutral. Replace if stuck.
Verified Technical Content
This troubleshooting guide has been reviewed and verified by the China Lift Supply Technical Team. Our certified technicians specialize in Sinoboom 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
Battery Charger
PartIndustrial-grade lithium battery charger for electric forklifts
Popular Sinoboom Troubleshooting
Sinoboom4655E
Sinoboom Scissor Lift
Machine Specs
Power Source24V DC
Lift Capacity500 lbs
Platform Size8ft 8in x 3ft 9in
Machine Weight7,563 lbs
Why Trust This Guide?
- Based on official Sinoboom service documentation
- Verified by certified equipment technicians
- Updated with latest service bulletins