A stainless door-type dish machine in a restaurant dish room with its hood raised and its wash chamber empty, a clean wire rack on the landing table beside it, the tiled floor dry, nobody at the dish machine.

Dexter F2: slow fill, the low level took over 7 minutes

Dexter reports a slow fill with F2 and keeps washing.

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Mon–Sat, 8am–8pm

  • Water, fill and drain
  • Dish machine repair
  • Source: Dexter

Book a visit

Three short steps, about a minute.

or call (844) 571-4566

What F2
actually means.

Dexter reports a slow fill with F2 and keeps washing. Owners see it flash on the display; the causes Dexter lists are water valves, incoming pressure, blocked flow and a drain valve that is not closing.

Dexter commercial appliance display · also shown as SLOW FILL ERROR

What to do when F2 shows on the commercial appliance

Before you book,
in this order.

Each step comes from Dexter's own guidance for F2 on its commercial appliances. Follow it to the end: the last card says whether this is a visit.

01

Check that the building's water supply to the machine is fully open.

02

Compare with neighboring machines to rule out a store-wide pressure drop.

03

Book a visit if only this machine is slow, so valves and inlet screens can be checked.

Still there?

It usually turns into dish machine repair. Book with the code and the model number.

What not to do

F2 on a Dexter front-load is a fill warning; on a Dexter tumbler, F2 means an open temperature sensor. It does not stop the cycle the way a door lock error does.

What you may
notice with it.

The commercial appliance problem F2 tends to arrive with. Answer these at the commercial appliance before anyone is booked.

All problems

Where F2 usually leads

Dish machine repair.

Dish machine tank heater or booster element, thermostat, fill valve, float switch, drain valve, wash pump seal or motor, conveyor drive · moderate.

In Dexter's own words

This error is when a low water level is not reach within 7 minutes.
Dexter common troubleshooting and error code reference for T-Series vended front-loads (Part 8533, 9/19) Dexter common troubleshooting and error code reference for T-Series vended front-loads (Part 8533, 9/19) Dexter common troubleshooting and error code reference for T-Series vended front-loads (Part 8533, 9/19)

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Dexter T-Series vended front-load machines (T-300 through T-1450) covered by Dexter's 2019 troubleshooting reference; the drive codes come from the variable frequency drive these models use.

Dexter F2 commercial appliance repair,
where we come out.

The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.

All service areas
A restaurant team working a busy commercial kitchen line.
For the heart of your home.

Questions
about F2.

Can I clear F2 myself?
Check that the building's water supply to the machine is fully open. If it comes back, it needs a visit.
Why does my Dexter keep washing with F2 showing?
Dexter designed F2 as a warning. The cycle continues, but wash quality suffers with too little water.
Can a drain valve cause F2 on a Dexter?
Yes. If it does not close, water runs out as fast as it comes in.
Does F2 clear on its own on a Dexter?
It clears when the cycle ends, but it will return if the cause stays.

Back to your everyday

Still showing F2?

A booking with a code goes further when it has the code as shown, the model and serial from the data plate, and a word on whether the unit still holds temperature, heats, rinses or spins. With those three, the office can match the likely part to your unit the same day.

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