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Error code · Washer

Fisher & Paykel SmartDrive Code 11: Pressure sensor negative pressure

On Fisher & Paykel SmartDrive top-load washers in Phases 1 to 6, such as the GWL11 and GWL15, code 11 is a pressure sensor message. While measuring the water level, the motor control module detected a…

Medium · inspection needed
Code
11 (SmartDrive)
Appliance
Washer
Brand
Fisher & Paykel
Warranty
30-day workmanship

What 11 (SmartDrive) means

On Fisher & Paykel SmartDrive top-load washers in Phases 1 to 6, such as the GWL11 and GWL15, code 11 is a pressure sensor message. While measuring the water level, the motor control module detected a negative pressure. This can happen if the pressure tube was reconnected to the sensor after the bowl had partly filled with water. The washer cannot judge its water level and stops with the number showing.

Common causes of 11 (SmartDrive)

  • Negative pressure read by the water level pressure sensor
  • Pressure tube reconnected to the sensor with water already in the bowl
  • Pressure sensor or its tube not sealing correctly
✓ One safe check you can try

1. Turn the washer off, then run it through a full drain so the bowl is empty. 2. Unplug it for a minute and plug it back in. 3. Start a short cycle and watch whether the fill reaches a normal level. 4. If code 11 returns, stop using it and book a visit. The pressure tube and sensor are behind panels that we check with the washer unplugged.

! Why to stop there
  • The tube connection and sensor need inspecting inside the cabinet
  • Wrong water level readings can cause overfilling or a dry wash
  • Reconnecting tubing with water in the bowl can bring the code straight back
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.
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Other Washer codes

11 (SmartDrive)11 (SmartDrive) questions
What causes negative pressure in the level sensor?

Reconnecting the pressure tube while the bowl is partly filled can do it. A tube or sensor that no longer seals properly can also give the control a negative reading.

Can I just reseat the tube myself?

We advise against it. Reseating with water in the bowl is what triggers this reading, and the work is inside the cabinet. Let us do it with the washer drained and unplugged.

Does code 11 affect all SmartDrive phases?

The meaning applies to SmartDrive Phases 1 to 6. We find the cause during one visit, quote in writing, and give a 30-day workmanship warranty on the work.

Book a visit

Still seeing 11 (SmartDrive)?

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

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