AL03
Indesit
Drainage / Pump Fault
Dishwasher shows AL03 and fails to drain, often with standing water in the tub.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Blocked drain hose, Clogged sump filter, Failed drain pump, Blocked sink trap spigot
How to Fix / Troubleshooting
This alarm corresponds to a drain fault. Follow the same procedure as for F05/F11:
- Clean internal filters and sump.
- Check and clear the drain pump impeller.
- Inspect and flush the drain hose and sink connection.
- Replace the drain pump if seized or electrically open.
Always disconnect power before working on the pump or hoses.
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Repair Difficulty
Medium
3/5
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