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Jungheinrich Error Code 1901 Jun 2026
You will need:
| Code | Meaning | Recommended Action | | :--- | :--- | :--- | | | No travel direction selected when accelerator pedal applied. | Before pressing the accelerator, ensure you have selected Forward or Reverse with the travel switch. | | 1908 | Seat switch not closed; truck operational but driver's seat not occupied. | The forklift may operate but at a reduced speed. Ensure you are properly seated so the switch is activated. The truck will not move if you are not in the seat. | | 1909 | Accelerator pressed while parking brake applied. | Release the parking brake before pressing the accelerator pedal. | | 1917 | Accelerator pedal and brake pedal pressed simultaneously. | Avoid pressing both pedals at the same time. Use only the appropriate pedal for your intended action. | | 2951 | Hydraulic function applied during power-up. | At startup, ensure no hydraulic levers (e.g., lift/lower/tilt controls) are being activated. |
Ray slammed the battery cover shut. "Not a wizard, kid. Just clean connections and tight wiring. The computer got scared because it was blind for a second. I just gave it its eyes back."
: Ensure there is no debris or floor matting physically holding the pedal down. Common Variations Jungheinrich Error Code 1901
Jungheinrich typically indicates that the accelerator (drive) pedal was activated during startup . This is a safety feature that prevents the forklift from moving unexpectedly when you turn it on. Resolution Steps
If the error persists even when your foot is off the pedal, there may be a technical issue:
Success rate: ~15% – works if corrosion was superficial. You will need: | Code | Meaning |
Issues with the machine's electrical circuitry, such as short circuits, faulty sensors, or problems with the control unit, can also lead to Error Code 1901.
Beep.
Does the code disappear if you on the pedal? | The forklift may operate but at a reduced speed
"Key on," Ray called out.
The operator has their foot on the accelerator pedal while turning the key, switching the battery, or sitting down on the seat.
Inspect sensors for cleanliness and proper function. Cleaning or replacing sensors may resolve the issue.
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