Error code reference
Merloni Dishwasher Error Code AL 01
Overflow alarm
Overflow alarm - water detected in base pan by float switch, signalled 9 seconds after base pan float switches from normally open to closed.
First step from the service manual
Check for leak from water line; inspect all pipes, sleeves, and water line components for leaks.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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Get the full diagnostic procedure for AL 01.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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