Jungheinrich Error Code 1901 //top\\ Jun 2026

If you read – shorted sensor. If you read infinite (OL) – open circuit or broken wire.

This code is part of the "operator error" or "standard event" category (specifically codes ranging from 1 to 50 in some systems). It is triggered by a safety feature designed to prevent the truck from moving unexpectedly as soon as it is switched on. Jungheinrich Error Code 1901

Problems with the hydraulic fluid level, contamination of the hydraulic fluid, or malfunctioning hydraulic components can trigger this error code. If you read – shorted sensor