Troubleshooting Guide
How to Fix Dingli JCPT1912DC Fault Code 90
TM1 PCB Hot
Error Code: 90Equipment: Scissor Lift
Error Code 90 Diagnosis
What This Code Means
TM1 PCB Hot
Possible Causes
- 1Traction Motor 1 circuit board overheating
Recommended Solution
Stop operation and allow to cool. Check for blocked ventilation. Inspect cooling fan operation. Reduce duty cycle in hot environments. Clean dust from electronics.
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
Parts & Tools You May Need
Based on this error code, these items may help with your repair
Motor Controller
PartAC/DC motor controller for electric lift equipment
Torque Wrench Set
ToolPrecision torque tools for proper fastener installation
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DingliWhy Trust This Guide?
- Based on official Dingli service documentation
- Verified by certified equipment technicians
- Updated with latest service bulletins