E18 Moderate Easy DIY

Bosch Washer E18 / F18 — No Drainage

Bosch Washer · Error code E18

What E18 Means

E18 (F18) means the washer is not draining — a blockage in the pump or a blocked/kinked drain path.

Symptoms

  • Standing water in the drum
  • Will not spin
  • E18 shown

Common Causes

1
Clogged drain pump / filter

Debris in the pump or the front-access filter.

2
Kinked or blocked drain hose

The drain hose is pinched or clogged.

3
Blocked siphon

A blocked standpipe/siphon.

How to Fix It

  1. Power off and clean the drain pump filter behind the front-bottom flap.
  2. Check the drain hose for kinks/clogs and the standpipe.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

More Bosch Washer Codes

All Bosch codes → All washer codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.