Tag Archives: Hyster forklifts

Danaher Troubleshooting Codes

Inmotion is a manufacturer of control systems for electric forklifts.  If you open an electric forklift which is made by Yale or Hyster, there’s a good chance you’ll find a control system labelled with “Inmotion” or Danaher”. Danaher/Inmotion have been known as other names over the years, a timeline from their corporate website can be found below:

Timeline:

2014 – Zapi S.p.A aquires EVS from Danaher. Company name is changed to Inmotion

2009 – Vehicle business (EVS) of Danaher Motion changes name to the Kollmorgen brand

2002 – All Danaher owned motion control businesses adopt common brand Danaher Motion

2001 – Elmo motors aquired by Danaher and integrated with EVS

1999 – Danaher Corporation aquires Atlas Copco Controls. Company name is changed to Inmotion Technologies

1989 – Atlas Copco aquires GME Systems. Company name changes to Atlas Copco Controls

1967 – GME Systems is founded, making customized electronics for various purposes

The attached PDF contains trouble shooting codes for the common system used on forklifts.  If you need remanufactured or new controllers, contact us for more information.  Or, if you know the part number already, enter it into our search bar on our home page.

Common Error Codes for Danaher

Error code 01:  No seat switch input.

Symptom: Lift truck does not move.

Possible causes and test procedures:

  • Seat switch malfunction.  Check to see that the seat switch operates properly.  Replace seat switch.
  • Check wiring to the seat switch and from the seat switch to the master controller.

Error code 02: The forward switch is closed before the key or seat switch closes.

Symptom: Lift truck does not move.

Possible Causes and Test Procedures:

  • A directional switch is closed when the key switch is turned to the ON position. This violates the Static Return to Off (SRO) Startup Procedure, move the directional lever to the neutral position, and then select a direction.
  • A directional switch is failed closed or out of adjustment.

Error code 03: The reverse switch is closed before the key or seat switch closes.

Symptom: Lift truck does not move.

Possible Causes and Test Procedures:

  • A directional switch is closed when the key switch is turned to the ON position. This violates the Static Return to Off (SRO) Startup Procedure, move the directional lever to the neutral position, and then select a direction.
  • A directional switch is failed closed or out of adjustment.

Error code 04: Park brake applied while the key switch is in the ON position.

Symptom: Lift truck does not move.

Possible Causes and Test Procedures:

  • Park brake is applied. Truck will not operate with park brake applied. Release the park break.
  • Park brake switch is out of adjustment or is shorted.

Error code 05: Start switch fails to close.

Symptom: Lift truck does not move.

Possible Causes and Test Procedures:

  • Malfunction of start switch circuit. Check for open circuit or loose connections in wiring from key switch to start switch and from P16 to start switch.
  • Malfunction of start switch. Check start switch for correct operation and output.

Error code 06: Accelerator depressed, no direction selected.

Symptom: Lift truck does not move.

Possible Causes and Test Procedures:

  • Accelerator pedal is depressed before closing a direction switch. Status code will disappear when directional switch is closed or when accelerator pedal is released.
  • Malfunction of directional switch. Check forward or reverse switch to make sure there is continuity when direction is selected.
  • Open circuit between directional switch and battery.
Danaher controller (click image to view)

Post by Intella Liftparts

Forklift Parts Manuals

Big, new feature here at Intella! We’ve made finding forklift parts with just that much easier. At the corporate office that makes up Intella Liftparts, we do our best to fine tune everything that makes up your online retail experience. That’s why we have implemented a new search feature based off of the forklift model number you have. So instead of receiving a list of a thousand different forklift parts, you can narrow down those results specifically to fit your forklift. The first step in the search process is to obtain your forklift model number. If you don’t know it, have no fear the Intella archives are here. Here are a few posts that lay out how to find your serial number based on the model you have.

Find a Forklift’s Serial Number

Forklift Model Number Intella Liftparts

Finding Your Forklift Part

After you have your model number identified, you will click on the icon that pertains to it. You will then find a list of various parts icons, just like what’s pictured below. By clicking on the part you need, an air filter for example, you will be taken to a page that lists all air filters that fit the model forklift you’ve selected.

Forklift Model Number Intella Liftpartsforklift model number

Search by Forklift Model Number

As of right now, the parts lookup by forklift model number is available for Toyota, Hyster, and Caterpillar. For those with other forklift brands, we are still in development. So don’t worry, more brands are going to be coming soon… we just couldn’t wait to release our new feature! Here’s the links to the part look-ups available right now:

Forklift Model Number Intella LIftparts

Toyota Parts Lookup By Model Number

Hyster Parts Lookup By Model Number

Caterpillar Parts Lookup By Model Number


Need forklift parts?  With thousands of parts in stock, quick shipping and great customer service, Intella Liftparts can help. You can also check out our YouTube channel here for how-to videos, product overviews, and other great clips.

Post by Intella Liftparts