U1 — Fisher & Paykel DishDrawer U1 — No Water
U1 on a DishDrawer means no water is entering — the dishwasher cannot fill.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Easy
- Verified against
- fisherpaykel.com ↗
How to fix it
- Confirm the water supply tap is fully open.
- Check the inlet hose for kinks and clean the inlet filter screen.
- If it still will not fill, test the inlet valve.
Why it happens
Typical signs: Drawer not filling · Cycle will not progress · U1 on the display
- Water supply turned off The supply tap to the dishwasher is closed.
- Kinked or restricted inlet hose The fill hose is pinched or the inlet filter is clogged.
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 Inlet Valve Common replacementAmazon →
More Fisher & Paykel dishwasher codes
Frequently asked questions
What does the U1 code mean on a Fisher & Paykel dishwasher?
U1 on a DishDrawer means no water is entering — the dishwasher cannot fill.
What causes the U1 code on a Fisher & Paykel dishwasher?
Water supply turned off: The supply tap to the dishwasher is closed. Kinked or restricted inlet hose: The fill hose is pinched or the inlet filter is clogged.
Is it safe to keep using a Fisher & Paykel dishwasher with a U1 error?
Yes, with caution. This is rated a moderate-severity fault.
How do I fix U1 on a Fisher & Paykel dishwasher?
Confirm the water supply tap is fully open. Check the inlet hose for kinks and clean the inlet filter screen. If it still will not fill, test the inlet valve.
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.