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E:30 / -80

E:30 / -80 — Drain problem or blocked pump

Bosch · Washing Machines

What does E:30 / -80 mean?

This error code indicates a problem with the drainage system, such as a blocked or kinked drain hose, a blocked drain pump, or an incorrectly installed pump cover. It can also occur if the water outlet hose is installed too high.

Common Causes

  • Drain pipe or water outlet hose is blocked or trapped.
  • Drain pump is blocked.
  • Water outlet hose is connected too high (above 1 meter).
  • Pump cover is not correctly assembled.
  • Unapproved extension installed on the water drain hose.
  • Excessive detergent dosage causing too much foam.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Clean the drain pipe and the water outlet hose.

  2. 2

    Ensure that the drain pipe and water outlet hose are not kinked or trapped.

  3. 3

    Clean the drain pump as instructed in the manual.

  4. 4

    Verify the pump cover is correctly assembled and fully screwed in with the handle vertical.

  5. 5

    Remove any unapproved extensions from the water hose.

  6. 6

    Reduce the amount of detergent for the next wash cycle if there was heavy foam.

Browse all codes in this manual (95)
Verified technical data. Last updated: April 2026

Related Faults

All other error codesAny other error codes displayed - Appliance malfunctionAppliance not workingAppliance is not working - No power or programme not startedAppliance odoursUnpleasant odours in the appliance - Bacterial growth
Source: Bosch Washing Machines
Open Manual (Page 36)Search more codes in this manual