Troubleshooting Guide
How to Fix Noblelift FE4P130-150-175N Fault Code 3.9
Main Contactor Did Not Close
Error Code: 3.9Equipment: Heavy Duty Lithium Electric Forklift
Error Code 3.9 Diagnosis
What This Code Means
Main Contactor Did Not Close
Possible Causes
- 1Contactor not closed, tips oxidized or burned
Recommended Solution
Clean or replace contactor. Check for blown fuse.
Other FE4P130-150-175N Fault Codes
NobleliftFE4P130-150-175N
Noblelift Heavy Duty Lithium Electric Forklift
Machine Specs
tiresSolid Pneumatic
batteryLithium-Ion
capacity13000-17500 lb
Why Trust This Guide?
- Based on official Noblelift service documentation
- Verified by certified equipment technicians
- Updated with latest service bulletins