Error Code 18 Diagnosis
What This Code Means
Pothole Guard Fault
Possible Causes
- 1Pothole protection guard sensor fault
Recommended Solution
Check pothole guard switches and wiring. If stowed, verify limit switch operation.
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
Digital Multimeter
ToolEssential for diagnosing voltage and current issues
Same code on other scissor lift brands?
Codes 68, 18, 02 and pothole-guard faults mean nearly the same thing on Dingli, Sinoboom, Zoomlion, and LGMG. Read the cross-brand checks before ordering parts.
Scissor lift fault codes explained: 68, 18, pothole & ECU