Wait 10 seconds for the internal capacitor batteries to drain.
: Provides specific detail, in this case, "activated during startup". Machine Maxx USA For more complex issues, you may need to use the Jungheinrich Operating Manuals Database to find the service manual for your specific serial number. Machineseeker Blog - or help you find a local service technician Jungheinrich Forklift Error Codes - Machine Maxx USA
If you have performed all steps and code 1901 persists, contact a certified Jungheinrich technician – the traction controller may be faulty and requires dealer-level programming. Jungheinrich Error Code 1901
: Instruct drivers to keep both feet firmly on the floorboards until the display screen finishes loading the battery status and system self-check.
: Blow out the pedal wells with compressed air during scheduled preventative maintenance cycles to prevent mechanical binding. Wait 10 seconds for the internal capacitor batteries
He watched the voltage on his multimeter. The CAN High and CAN Low lines were fluctuating, which was good—it meant data was moving. He wiggled the main bundle near the steering column. Suddenly, the dashboard flickered.
To prevent recurring 1901 errors and keep your warehouse running smoothly, add these checks to your regular maintenance: Machineseeker Blog - or help you find a
If paired with 1900, your motor may truly be overheating.
: The potentiometer or Hall effect sensor inside the pedal assembly sending an incorrect baseline voltage signal to the controller.
using the key switch or disconnect the emergency stop button.
Success rate: ~15% – works if corrosion was superficial.