Error code · Dishwasher

ASKO Professional Dishwasher Code F52: Sensor Reads the Water Level Wrong

Medium · inspection needed

Code: F52
Appliance: Dishwasher
Brand: ASKO
Warranty: 30-day workmanship

What F52 means

On an ASKO Professional DWC6432 commercial dishwasher, F52 is the water level message. These dishwashers are sold in the US for multifamily and light commercial use. The control judges how much water is in the tub from a sensor and a small pressure chamber. F52 appears when that reading is missing or does not match what the machine just did, and the program stops, often with water left in the tub.

Common causes of F52

A level sensor or pressure switch that reads wrong
A kinked or plugged hose to the pressure chamber
Filters or the sump so clogged that the level cannot settle
A loose connector at the sensor

✓ One safe check you can try

1. Press any button to dismiss the message. 2. Clean the coarse filter and the fine filter at the tub bottom. 3. Check that the drain hose is not kinked and that the water supply valve is open. 4. Start a program once more. If F52 returns, leave the machine off.

! Why to stop there

Whether the sensor itself is wrong or a plugged line is feeding it a bad reading
Whether the trouble arises while filling, while draining, or both
Whether the wiring at the sensor is sound

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 Dishwasher codes

F67ASKO Dishwasher Code F67: Water Inlet Warning, Second Type F68ASKO Dishwasher Code F68: Brushless Drain Pump Not Responding to the Control Flashing LightsASKO D3251 Dishwasher Flashing Lights: Five Programs That Signal a Problem F45ASKO Dishwasher Code F45: Diverter Valve Stuck or Not Responding F11ASKO Professional Dishwasher Code F11: Water Stays in the Tub F52ASKO Dishwasher Code F52: Water Level Reading Out of Range F12ASKO Professional Dishwasher Code F12: Tub Slow or Failing to Fill F54ASKO Dishwasher Code F54: Overfilling Water 2

F52F52 questions

What is the machine telling me with F52?

It cannot trust the water level it measures. Either the sensor is off, or something in the water path keeps the level from settling the way the control expects.

Will a dirty filter alone cause F52?

It can, since a clogged filter slows draining and leaves the sump uneven. Clean both filters first. If the message stays, the sensor path gets tested.

Do you work on professional-line dishwashers?

Yes, and we say plainly when a repair is not worth it. Our technician arrives inside a three-hour arrival window, and the price is written before work starts.

Book a visit

Still seeing F52?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 804-6320