Fisher & Paykel DishDrawer Code F9: power supply or controller error

What F9 means

On Fisher & Paykel DishDrawer DD603 and DD605 series dishwashers, F9 is a power supply or controller error, described on some units as an electronics failure with an EEPROM access problem. It may follow an earlier F3, F8 or F9, and power must be disconnected and reconnected to reset it. Owners see F9 and the drawer stops; the other drawer is also stopped.

Common causes of F9

Controller memory access problem
Power supply section of the controller
An earlier F3, F8 or F9 that left the electronics upset

✓ One safe check you can try

1. Switch the unit off at its breaker and leave it off for a full minute. 2. Restore power and check whether F9 clears. 3. Think back: did F3 or F8 show earlier? Tell us when you call. 4. If F9 returns, switch off and call us.

! Why to stop there

Controller electronics are not owner serviceable.
Fixing the earlier problem matters, or F9 returns.
The price is written down and agreed before we start, and the repair is guaranteed for 30 days.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other DishDrawer & Dishwasher codes

F40Fisher & Paykel Built-In Dishwasher Code F40: water flow error F50Fisher & Paykel Built-In Dishwasher Code F50: electronics error F90Fisher & Paykel Built-In Dishwasher Code F90: data or electronics error FA0Fisher & Paykel Built-In Dishwasher Code FA0: electronics or power supply FFFisher & Paykel DishDrawer Code FF: top tub not responding A70Fisher & Paykel Built-In Dishwasher Code A70: temperature sensing alarm U1Fisher & Paykel DishDrawer Code U1: wash pump has not primed A80Fisher & Paykel Built-In Dishwasher Code A80: turbidity sensing alarm

F9F9 questions

Is F9 always the controller?

It is described as a power supply or controller error. Sometimes it is a consequence of an earlier F3, F8 or F9, so we look at what happened before the controller is replaced.

Why is power disconnection required?

The unit holds F9 until it loses power. Disconnecting and reconnecting lets the electronics start over, and only then can we see whether the error comes back.

Will both drawers work after F9?

F9 stops the whole unit, so neither works until it is cleared. We test the controller and power supply and give a written price. The repair carries our 30-day warranty.