Ariston Ls 603 Dishwasher User Manual

Inspect the drain hose behind the machine for kinks, bends, or pinches.

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

Water fill timeout. Check if your main water supply valve is fully open, the inlet hose is not kinked, or the home water pressure is too low.

Locate the water softener cap on the bottom floor of the drum. Unscrew it, fill the chamber with water (first use only), and pour in specialized dishwasher salt until full. Secure the cap tightly to prevent rust. 3. Select the Program and Start Close the dishwasher door firmly until you hear a click. Press the ON/OFF button.

The LS 603 typically offers 6–7 programs, each with a corresponding detergent quantity recommendation. The manual’s program table includes: 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.

Two separate sections cover these consumables. improves drying and prevents water spots. The manual directs the user to open the dispenser near the detergent compartment, turn the dial (1 to 6) to set the dosage – higher for hard water or spotting issues. A full reservoir lasts approximately 40 cycles.

If you are seeing a (like a flashing light pattern) or having drainage issues , let me know so I can provide more targeted fix steps! Ariston ls 603 dishwasher user manual

Last updated: 2026 – Based on original Ariston documentation and field service experience. Inspect the drain hose behind the machine for

The dishwasher will start automatically after the door is closed. Program Matrix Program Number Cycle Type Target Load Temperature Approximate Duration Intensive / Heavy Heavily soiled pots, pans, and dried-on starch 65°C / 149°F 2 Standard daily dinner plates, cups, and light cookware 55°C / 131°F 3 Energy-saving cycle for lightly soiled daily dishes 50°C / 122°F 4 Rapid / Quick Lightly soiled items without dried-on food 45°C / 113°F 5 Soak / Rinse Preliminary rinse to prevent odors before a full load Loading and Detergent Guidelines Basket Arrangement

| | Possible Causes and Solutions | | :--- | :--- | | Nothing happens when turned on | 1. Check the power: Ensure the plug is correctly inserted into the socket. 2. Check the fuse: The fuse in the plug may have blown and need replacing. 3. Door Microswitch: The microswitch in the door handle assembly may be faulty. This is an inexpensive part and is easy to fix. | | The machine won't fill with water | 1. Check the water supply: Ensure the water tap connected to the dishwasher is fully turned on. 2. Check the inlet hose: Check that the hose is not kinked or blocked. | | The machine won't drain water | 1. Clean the filters: Clogged filters are the most common cause of drainage issues. 2. Check the drain hose: Ensure the drain hose is not kinked, pinched, or blocked. | | Water remains in the base of the dishwasher | The anti-flood system (Aquastop) may have been activated. This usually indicates a leak, a faulty solenoid valve, or a faulty aquastop itself. |

Unscrew the cap next to the detergent dispenser. Fill it until the optical indicator turns dark. Rinse aid prevents water spots and drastically improves drying performance.

If you’ve recently acquired an Ariston LS 603 dishwasher—or have had one hiding under your counter for years—you’ve likely discovered that finding the original can be surprisingly difficult. Ariston (now part of the Whirlpool group, often branded as Hotpoint-Ariston) produced this model as part of their freestanding or semi-integrated lineup. While the machine is reliable, you need the manual for proper installation, program selection, error code interpretation, and routine cleaning. Check if your main water supply valve is

: Turn the dial to your desired wash cycle (e.g., Eco 50° for efficiency or Intensive 65° for heavy soil).

If the machine stops mid-cycle: turn dial to “Off”, wait 30 sec, then restart the same program.

Water hardness test strips are usually included in the original manual’s appendix.