F9
What code F9 means on a Dacor dishwashers, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Dacor F9 means: Heater failure. The documented cause is: Examine and repaired the inline flow-through heater
What F9 means
Heater failure
The display shows F9 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Examine and repaired the inline flow-through heater |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.
What to check, in order
From the quickest check to the one that needs a technician.

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Frequently asked questions
What does F9 mean on a Dacor?
Heater failure The documented cause is: Examine and repaired the inline flow-through heater
Can I fix F9 myself?
It depends on the part involved: Examine and repaired the inline flow-through heater Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Dacor use other codes on this appliance?
Yes: we document 4 other codes for Dacor on this dishwashers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.

