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4LEDSFLASHING — Drain Issue – Pump, Hose, or Airgap Blockage
warning
Multiple LEDs are flashing, indicating a drain problem caused by a blocked pump, kinked hose, or clogged airgap.
Common causes
- Blocked or loose drain pump cover
- Kinked or bent drain hose
- Clogged airgap or drain hose
How to fix it
- Remove drain pump cover, clear standing water and debris, reinstall until it clicks
- Inspect drain hose for kinks or bends
- Check and clear airgap, disconnect and clear drain hose, run rinse cycle to test
- Contact Bosch Customer Support if still unresolved
Parts you might need
- Drain pump
- Drain pump cover
- Drain hose
- Airgap
Compiled from Bosch's public support resources — original page. Recalled.co is not affiliated with Bosch. Report incorrect information at hello@recalled.co.