F3
What code F3 means on a Dacor dishwashers, what causes it, and which part to check first.
● SEVERITY: HIGH
Dacor F3 means: Low inlet water pressure (long fill time). The documented cause is: If the water supply cut-off valve for the dishwasher is fully open and the dishwasher still fills slowly, shut off the water supply, unplug the dishwasher, disconnect the fill line and check whether the screen…
What F3 means
Low inlet water pressure (long fill time)
The display shows F3 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 |
|---|
| If the water supply cut-off valve for the dishwasher is fully open and the dishwasher still fills slowly, shut off the water supply, unplug the dishwasher, disconnect the fill line and check whether the screen in the water inlet valve is clogged |
| If it's clogged, replace the water valve-don't just clean the screen, because debris could fall into the valve body, prevent the valve from closing, and cause flooding |
| Check the wiring connections on the inlet water valve and secure any loose connections |
| If the water valve won't open when activated, replace it |
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 F3 mean on a Dacor?
Low inlet water pressure (long fill time) The documented cause is: If the water supply cut-off valve for the dishwasher is fully open and the dishwasher still fills slowly, shut off the water supply, unplug the dishwasher, disconnect the fill line and check whether the screen in the water inlet valve is clogged. If it's clogged, replace the water valve-don't just clean the screen, because debris could fall into the valve body, prevent the valve from closing, and cause flooding. Check the wiring connections on the inlet water valve and secure any loose connections. If the water valve won't open when activated, replace it
Can I fix F3 myself?
It depends on the part involved: If the water supply cut-off valve for the dishwasher is fully open and the dishwasher still fills slowly, shut off the water supply, unplug the dishwasher, disconnect the fill line and check whether the screen in the water inlet valve is clogged. If it's clogged, replace the water valve-don't just clean the screen, because debris could fall into the valve body, prevent the valve from closing, and cause flooding. Check the wiring connections on the inlet water valve and secure any loose connections. If the water valve won't open when activated, replace it 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.

