U6 — Fisher & Paykel DishDrawer U6 — Spray Arm Loose / Low Water Pressure
U6 means the spray arm has come loose from its mounting, or the incoming water pressure is too low.
- Keep using it?
- Yes — fix when convenient
- DIY difficulty
- Easy
- Verified against
- fisherpaykel.com ↗
How to fix it
- Reseat the spray arm firmly onto its mount and confirm it spins freely.
- Confirm the supply tap is fully open and pressure is adequate.
Why it happens
Typical signs: Poor wash, U6 on the display
- Spray arm unclipped or dislodged The spray arm is not seated on its mount.
- Low water pressure Insufficient incoming water pressure.
- Debris fouling the arm Food debris blocking the spray arm.
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.
- Fisher & Paykel Dishwasher Spray Arm Common replacementAmazon →
More Fisher & Paykel dishwasher codes
Frequently asked questions
What does the U6 code mean on a Fisher & Paykel dishwasher?
U6 means the spray arm has come loose from its mounting, or the incoming water pressure is too low.
What causes the U6 code on a Fisher & Paykel dishwasher?
Spray arm unclipped or dislodged: The spray arm is not seated on its mount. Low water pressure: Insufficient incoming water pressure. Debris fouling the arm: Food debris blocking the spray arm.
Is it safe to keep using a Fisher & Paykel dishwasher with a U6 error?
Yes — fix when convenient. This is rated a minor-severity fault.
How do I fix U6 on a Fisher & Paykel dishwasher?
Reseat the spray arm firmly onto its mount and confirm it spins freely. Confirm the supply tap is fully open and pressure is adequate.
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: fisherpaykel.com.