Error code reference

Hotpoint Dishwasher Error Code AL05

Pressure switch non-compliant - The main board has registered the failure of the pressure switch: during static filling after 2 litres the pressure switch did not make the FULL contact, or at the end of heating timeout the pressure switch is still in the EMPTY position.

SourceHotpoint/Ariston Dishwasher - Service Manual: LFF 825 IT/HAp. 18

Diagnostic procedure

The full AL05 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check if pressure switch is stuck on empty; check pressure switch hose for puncture/disconnection; check sump air trap for blockage; check for excess suds.

SourceHotpoint/Ariston Dishwasher - Service Manual: LFF 825 IT/HAp. 18

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

1 manual in the MyPros+ library documents this code for Hotpoint dishwasher.

Models covered by the manuals that document this code

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