Cluster Safety Lock

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4-Wheel Function

What You Do

Cluster Safety Lock: Warnings and Resolution
  • This video is for demonstration purposes only.
  • Do not try this with your device.

This video illustrates the proper technique to take when you or your assistant experience safety cluster lock on stairs. Always use proper technique in stair climbing to avoid this situation.

What is Cluster Safety Lock

The iBOT® Mobility System has a climbing pattern in Stair Function.

Depending on if you and or your Assistant are climbing up or climbing down stairs, the product is leaned either forward or back to get the wheel clusters to rotate, then brought back to the normal starting position to slow the clusters down when the moving wheels are close to the next step.

The device is programmed to expect this climbing pattern.

If you do not bring the angle of the backrest to the normal starting position when the wheels are close to the next step, the device will bring the clusters to a stop and sound a tone.

The clusters will stay locked in that position preventing you from climbing until you return the seat angle back to the normal starting position.

Deactivating Cluster Safety Lock

The first action you or your Assistant need to take is to stop climbing and maintain your hold on the handrail or have your Assistant hold the assist handle.

Deactivating the Cluster Safety Lock During Stair Climbing

  • If climbing up the stairs solo, and the clusters locked, the device is leaning back and a tone is noted, you will need to pull forward until the tone stops and the device is returned to the normal start position with all 4 drive wheels on the steps. Once that is completed, you will then be able to continue climbing the stairs.
  • If climbing up the stairs with an Assistant, the clusters are locked, the device is leaning back and a tone is noted, your Assistant will need to push forward until the tone stops and the device is returned to the normal start position with all 4 drive wheels on the steps. Once that is completed, your Assistant will then be able to continue climbing the stairs.

Deactivating the Cluster Safety Lock During Stair Descent

  • If climbing down the stairs solo the clusters are locked, the device is leaning forward and a tone is noted, you will need to lean back until the tone stops and the device is returned to the normal start position with all 4 drive wheels on the steps. Once that is completed, you will then be able to continue climbing down the stairs.
  • If climbing down the stairs with an assistant and the clusters locked, the device is leaning forward and a tone is noted, your Assistant will need to pull back until the tone stops and the device is returned to the normal start position with all 4 drive wheels on the steps. Once that is completed, your Assistant will then be able to continue climbing down the stairs.