Whirlpool F09 washing machine: what it means & what to check

Stop using it for now. Carrying on with this fault risks further damage or a leak. Switch it off at the wall until it has been looked at.

What F09 actually means

The machine thinks there is too much water inside, so it has stopped filling and will normally try to pump out instead of carrying on.

F09 is Whirlpool's overflow fault. The control board watches the water level through a pressure chamber and pressure sensor; when that reading says the level has gone past a safe point, the machine cuts the fill and locks the cycle out rather than risk water coming over the top of the tub. The catch is that a thick head of foam presses on the pressure chamber in the same way real water does, so the machine can call an overflow when the drum is not actually overfull.

What F09 looks like on a Whirlpool washing machine

Most people find this page having searched for what the machine is doing rather than the code itself. On a Whirlpool washing machine, F09 usually shows up as one or more of these:

Machine not draining
Water left in the drum at the end of the cycle
Stops mid-cycle full of water
Standing water in the bottom
Not filling with water
No water going in
Takes for ever to fill
Stops right at the start of the cycle

Recognise any of those? That is this fault, and the rest of this page explains what causes it and what you can check yourself.

What usually causes it

Too much detergent, or the wrong type, producing a mound of foam
Blocked or split pressure chamber hose giving the sensor a false reading
Faulty pressure switch or level sensor
Water genuinely overfilling because the fill valve is not shutting off
Damaged wiring between the pressure sensor and the control board

What you can safely check yourself

Work through these in order. Anything beyond this — panels off, testing parts, anything to do with the wiring — is an engineer's job, and not one to attempt with the machine plugged in.

If there is visible foam in the drum, run a rinse-and-spin or short cold cycle with no detergent at all to clear it, then try the programme again
Cut your detergent dose right back, particularly with liquids and with soft water — most F09 call-outs we attend start as a foaming problem
Check the detergent drawer and softener compartment are not clogged with old, set powder
Turn the machine off at the wall for a minute and back on to clear the code
Make sure the drain hose is not pushed too far down the standpipe, which can siphon water in and confuse the level reading

Common questions about Whirlpool F09

What does F09 mean on a Whirlpool washing machine?

The machine thinks there is too much water inside, so it has stopped filling and will normally try to pump out instead of carrying on. F09 is Whirlpool's overflow fault. The control board watches the water level through a pressure chamber and pressure sensor; when that reading says the level has gone past a safe point, the machine cuts the fill and locks the cycle out rather than risk water coming over the top of the tub. The catch is that a thick head of foam presses on the pressure chamber in the same way real water does, so the machine can call an overflow when the drum is not actually overfull.

Can I fix Whirlpool F09 myself?

There are 5 checks you can safely do yourself first.

If there is visible foam in the drum, run a rinse-and-spin or short cold cycle with no detergent at all to clear it, then try the programme again.
Cut your detergent dose right back, particularly with liquids and with soft water — most F09 call-outs we attend start as a foaming problem.
Check the detergent drawer and softener compartment are not clogged with old, set powder.
Turn the machine off at the wall for a minute and back on to clear the code.
Make sure the drain hose is not pushed too far down the standpipe, which can siphon water in and confuse the level reading.

This sometimes clears with those checks. If it comes back, it needs looking at properly.

How much does it cost to repair Whirlpool F09?

£66 including VAT for an engineer to come out and diagnose it, or £84 in total including VAT if it is put right on the visit and no parts are needed. Any parts needed are quoted on site before we fit them — you decide. Every repair carries a 90-day workmanship guarantee.

Tried the checks and it's still showing F09?

This sometimes clears with the checks above. If it comes back, it needs looking at properly. Then it wants someone who can open it up.

What it costs, before you call: the price is the same whatever the fault turns out to be — £66 including VAT for an engineer to come out and diagnose it, or £84 in total including VAT if it is put right on the visit and no parts are needed. Any parts needed are quoted on site before we fit them — you decide. Every repair carries a 90-day workmanship guarantee.

Our own engineers, not a call centre. We cover Nottinghamshire, Derbyshire and Leicestershire — most washing machine faults are seen same day or next day.

Call 0115 648 0929 Book online — postcode and number is all we need

Outside our area? The explanation above still stands — take it to a local engineer and tell them the code. Knowing it saves them time and you money.

Other Whirlpool washing machine codes

All Whirlpool fault codes and repairs →

What this looks like when it happens

Repairs we cover near you

Written by the engineers at ASAP Repairs, 0115 648 0929. We repair these machines for a living in Nottinghamshire, Derbyshire and Leicestershire.

Whirlpool F09 error — washing machine