Fisher & Paykel · Dishwasher Serious

F30 — Flood Switch Activated

F30 on a full-size Fisher & Paykel dishwasher means the anti-flood switch activated — water was detected in the base.

Keep using it?
Limited use only
DIY difficulty
Moderate
Verified against
support.fisherpaykel.com ↗

How to fix it

  1. Turn off the water and unplug the dishwasher.
  2. Find and fix the leak source; dry the base to reset the float.

Why it happens

Typical signs: Cycle stops · Water in the base · F30 shown

  • Leak into the base tray A hose/seal leak tripped the flood float.
  • Inlet or seal leak Water entering the base from a connection.

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.

  • Dishwasher Hose & Clamp Kit Common replacement
    Amazon →

More Fisher & Paykel dishwasher codes

F40 F40 — Water Flow Error F50 F50 — Electronics Error F90 F90 — Data / Electronics Error FA0 FA0 — Electronics / Power Supply Error FC0 FC0 — Motor Fault U1 DishDrawer U1 — No Water

All Fisher & Paykel codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: support.fisherpaykel.com.