Jungheinrich Error Code 1901 [updated] -

"Okay," Ray said, wiping grease from his hands. "This is the moment of truth. If I’m wrong, we’re calling a tow truck and writing off the meds."

Ray found the truck in Aisle 4, deep in the heart of the deep-freeze storage sector. His breath plumed in the air as he approached the machine. It was a Jungheinrich EFG Series truck, a workhorse capable of moving three tons without breaking a sweat. Jungheinrich Error Code 1901

In simple terms: Error 1901 means the brain of the forklift cannot talk to the system that controls the wheels. "Okay," Ray said, wiping grease from his hands