Fisher & Paykel Dishwasher Error Code U7

What Does Error Code U7 Mean on a Fisher & Paykel Dishwasher?

Heating failure — water not reaching target temperature.

The DishDrawer's heating system has failed. Water is not heating to the programmed temperature.

What Causes Error Code U7?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1. 1
   Heating element failure 55% of cases
2. 2
   Temperature sensor failure 30% of cases
3. 3
   Control board heater relay 15% of cases

How to Fix Fisher & Paykel Dishwasher Error Code U7

1. 1

   Test heating element

   Disconnect and test continuity.

   🔩 F&P heating element ($60–$130)
2. 2

   Test temperature sensor

   At room temp: ~6k–7k ohms.

   🔩 F&P NTC sensor ($25–$60)
3. 3

   Replace failed component

   Install appropriate replacement.

How to Reset Error Code U7

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

Find Replacement Parts

Use these links to find the exact replacement parts for your Fisher & Paykel Dishwasher:

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions