Festool Overcurrent / Overload Protection Without Display Code

Vacuum starts but immediately shuts off when hose is blocked by hand, no error code

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Possible Causes

Protection circuit set very sensitive, Severely clogged filters increasing load, Weak battery unable to supply peak current

How to Fix / Troubleshooting

Safety first: Remove the battery before servicing filters.

  • 1. Service filters: Replace the filter bag and clean or replace the main filter to reduce load.
  • 2. Avoid full blockage tests: Do not completely block the hose inlet for extended periods; this can trigger overload protection.
  • 3. Use a fully charged battery: Ensure the Festool battery is fully charged and in good condition. Try a different battery if available.
  • 4. If behavior persists: If the vacuum shuts off under normal use, not just full blockage, have the motor and control electronics checked by Festool service.
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Repair Difficulty

Easy 2/5

Required Part

Control Electronics Module
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