CAT forklift error codes

Clearing error codes on a CAT forklift can be challenging due to the precise steps required by most machines. However, familiarizing yourself with the process beforehand can make it easier. This article outlines the steps to clear error codes on CAT forklifts.

For a list of error codes, read on.

What causes CAT forklift error codes?

Error codes on CAT forklifts alert operators when something is wrong. Several common causes of error codes include:

• Steering fluid levels: These codes indicate low fluid levels, which can affect the steering and pose a safety risk.
• Mast problems: These codes relate to issues with the mast's movement, potentially due to hydraulic or fluid level issues.
• Overheating: These codes appear when the forklift exceeds its temperature limit, possibly due to blockages or radiator issues.
• Bad battery: These codes can result from low voltage, faulty calibration, or a malfunctioning battery.
• Trouble starting: Starting problems can arise from battery issues, insufficient fuel, or electrical malfunctions.

Each error code corresponds to a specific issue, helping operators diagnose and resolve problems. In some cases, the error clears automatically once the problem is fixed, but others may require manual resetting.

What to do when an error code appears on a CAT forklift?

When an error code appears, the first step is to document relevant details, such as:

• The error code itself (take a picture if possible)
• What is happening with the forklift (e.g., mast not lifting)
• When the error occurred
• What task the forklift was performing when the code appeared
• Whether the error has occurred previously or frequently

Once this information is recorded, turn off the forklift and do not use it until the issue is resolved. Operating a forklift with an unresolved error can cause accidents, injuries, or damage to the machine.

Error codes can be found in the forklift manual or on the manufacturer’s website (see examples of CAT forklift error codes here). These sources will help diagnose the issue, which may require simple fixes, such as refilling fluids, or more extensive repairs.

How to clear CAT forklift error codes

Before manually clearing error codes, it is important to have a stopwatch ready, as timing is critical in some steps. Here are the eight steps to clear the codes:

1. Turn the forklift key switch to "on" (without pressing the accelerator) and start the stopwatch. Wait three seconds.
2. Within five seconds, press and release the accelerator five times in succession.
3. Wait seven seconds, then press and hold the accelerator for at least 10 seconds until the malfunction indicator light starts flashing.
4. Release the accelerator as soon as the light flashes to begin a self-diagnostic test, displaying DTC codes on the dashboard.
5. Ensure the pedal remains released for at least 10 seconds.
6. Press and hold the accelerator again for 10 seconds or more to erase the diagnostic test results and clear the codes.
7. Release the accelerator and turn the key switch off.
8. Restart the engine to ensure the error codes are cleared and the forklift operates normally.

Preventing forklift error codes

The best way to prevent error codes is by performing regular maintenance on your forklift. Additional steps to avoid errors include:

• Ensuring the battery is properly charged, connected, and free of damage (e.g., corrosion)
• Checking tire pressure and condition regularly
• Following manufacturer guidelines for weight limits, oil changes, etc.
• Checking steering fluid and coolant levels before operating
• Replacing worn or damaged brakes promptly

List of CAT forklift error fault codes