This usually indicates a clogged filter or a kink in the drain hose behind the unit.
This guide for the Ariston LS 603 dishwasher (also known as part of the Aristella range) covers essential setup, operation, and maintenance based on standard Ariston operating procedures. cdn.prod.website-files.com 1. Getting Started: Basic Operation Follow these steps for a standard wash cycle: Preparation
| | Meaning / Cause | Likely Solution | | :--- | :--- | :--- | | A01 | Flood protection system (Aquastop) activated. The dishwasher will drain and then halt. | Check for leaks, check the pressure switch and its wiring. | | A02 | Heating system failure. The dishwasher is not heating the water. | Check the heating element, thermostats, wiring, and pressure sensor. | | A03 | Thermistor error detected. | Check the wiring to the thermistor and the thermistor itself. | | A04 | The dishwasher is unable to sense the correct temperature or reach it after a set time. | Often related to a faulty heating element or thermistor. | | F06 / A06 | Water fill timeout. The dishwasher's intake is taking too long. | Check water pressure, ensure the tap is fully open, and check the water inlet valve. | | F09 | Overfill error. The water level is too high. | Check for a faulty solenoid valve or aquastop, or a faulty level control sensor. | | F13 | PCB error. This is an electronics issue. | Often requires replacing the PCB (printed circuit board) by a professional. | ariston ls 603 dishwasher user manual
Before diving into daily use, it's helpful to understand the core features your appliance offers. Many Ariston dishwashers of this era came equipped with functionalities that were highly effective for their time.
Understanding the hardware limits of your Ariston LS 603 ensures safe operation and helps you diagnose electrical or plumbing issues. Technical Data 12 standard place settings Power Supply: 220–240V / 50 Hz Total Power Rating: 2200W Water Pressure Range: 0.05 MPa to 1.0 MPa (0.5 – 10 bar) Installation Type: Freestanding / Built-under Control Panel Overview This usually indicates a clogged filter or a
If your Ariston LS 603 malfunctions, the indicator lights on the control panel will blink in specific sequences to indicate an internal error. Use this guide to resolve common issues before calling a technician. Dishwasher Will Not Start
: Regularly clean the 4-piece filter to remove trapped food residue. Sprayer Arms Getting Started: Basic Operation Follow these steps for
Press the Half Load button if you are only washing a few items. This saves both water and electricity.
Remove the lower basket to expose the floor of the appliance.
Turn the Program Selector Knob clockwise to your chosen program number.
When searching online, always use the full model number "Ariston LS 603" to find the most accurate results.