Bosch Handle Position Switch / Interlock Issue

Carpet cleaner will not start unless handle is fully upright or fully lowered

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Possible Causes

Misaligned handle tilt switch, Worn handle pivot, Broken actuator tab, Loose switch wiring

How to Fix / Troubleshooting

Safety first: Unplug the unit before working on the handle mechanism.

  • 1. Identify handle positions
    • Note when the unit starts/stops as you move the handle.
  • 2. Access tilt switch
    • Remove handle side covers to locate the tilt or position switch.
    • Check that the actuator tab on the handle engages the switch correctly.
  • 3. Adjust or replace switch
    • If the switch is loose, tighten its mounting screws.
    • If the actuator is broken or the switch does not change state reliably, replace the switch or handle component.
  • 4. Inspect wiring
    • Ensure the switch wiring harness is not strained or broken at the pivot point.
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Repair Difficulty

Easy 2/5

Required Part

Handle Tilt Switch
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