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Only use authentic spare parts
Periodical maintenance
To ensure the best performance from this appliance, descale the heating element (R fig. 9) once every two years.
If you prefer not to use special descaling acids for this operation, simply crumble away the lime deposit without
damaging the heating element.
Replace the magnesium anode (N fig. 9) every two years. Exept products with stainless steel tank.
To remove this, disassemble the heating element and unscrew from the support bracket.
Safety valve
The pressure safety device must be enabled regularly (once a month) to remove the limescale deposits and to check
that it is not clogged.
USER INSTRUCTIONS
WARNING! Follow the general warnings and the safety norms listed at the
!
beginning of the text and keep to all the instructions given under all circumstances.
Advice for user
- Avoid positioning any objects and/or appliances that could be damaged by water leaks beneath the water heater.
- Should you not use any water for an extended period of time, you should:
disconnect the appliance from the electrical supply by switching the external
switch to "OFF";
turn off the plumbing circuit taps.
- Hot water whose temperature exceeds 50°C at the user taps may immediately cause severe burns or scalds. Children,
the disabled and the elderly are more exposed to the risk of burns.
It is strictly forbidden for the user to perform any routine or extraordinary maintenance.
Contact a competent person for the replacement of the power supply cable.
To clean the outer parts of the appliance, use a damp cloth soaked in soapy water.
Reset/Diagnostics
• For models featuring a user interface as represented in figures 3 and 4:
When one of the malfunctions described above occurs, the appliance will enter its "fault status" and all LEDs on the
control panel will flash simultaneously.
Reset: to reset the appliance, switch the product off and on again using the
malfunction disappears immediately following the reset process, the appliance will resume normal operation. If this
is not the case, all the LEDs will continue to flash; contact the Technical Assistance Centre.
Diagnostics: to activate the diagnostics function, press and hold the
The type of malfunction is indicated by the 5 LEDs (Ref. 1 5), in accordance with the following diagram:
LED ref. 1 – Internal P.C.B. malfunction;
LED ref. 2 – Anode malfunction (in models fitted with active anode);
LED ref. 3 – NTC 1/NTC 2 temperature sensors broken (open or short-circuited);
LED ref. 5 – Water overheating detected by an individual sensor;
LEDs ref. 4 and 5 – General overheating (P.C.B. malfunction);
LEDs ref. 3 and 5 – Sensor differential error;
LEDs ref. 3, 4 and 5 – Operation without water.
To exit the diagnostics function, press the
• For models featuring a user interface as represented in figures 5 and 6:
When a malfunction occurs, the appliance will enter its "fault status" and the relevant digits will flash on the display
to indicate the corresponding error code (e.g. E01).
The error codes are as follows:
E01 – E02 – E03 – Water overheating;
E10 – E11 – E12 – E13 – E16 – NTC sensor error (sensor malfunction);
E04 – Operation without water;
E14 – E15 – Anode error;
E50 – E51 – Maintenance request;
E60 – E90 – E91 – E92 – P.C.B. software error.
Reset: to reset the appliance, switch the product off and on again using the
malfunction disappears immediately following the reset process, the appliance will resume normal operation. If this
is not the case, the error code will continue to appear on the display; contact the Technical Assistance Centre.
16
button (Ref. A) for 5 seconds.
button (Ref. A) or wait for 25 seconds.
button (Ref. A). If the cause of the
button (Ref. A). If the cause of the