Troubleshooting Guide
How to Fix Sinoboom 4047E 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.
Sinoboom4047E
Sinoboom Scissor Lift
Machine Specs
Power Source24V DC
Lift Capacity706 lbs
Platform Size7ft 7in x 3ft 9in
Machine Weight7,077 lbs
Why Trust This Guide?
- Based on official Sinoboom service documentation
- Verified by certified equipment technicians
- Updated with latest service bulletins