53 / EN
ANTI-FREEZE FUNCTION
(models with the interface shown in Fig. 8a/b)
The anti-freeze function automatically protects the appliance, preventing damages caused by very low
temperatures, below 5°C, if the product is switched off during the winter season. We recommend leaving
the product connected to the mains electricity, even in case of prolonged inactivity. Once the temper-
ature rises to a safer level that prevents damages caused by ice or frost, the water heating function
switches off again.
The function is enabled, but in case of activation it does not indicate whether the product is ON. When
the product is switched off using the ON/OFF button “ ”, if the anti-freeze function is active the display
will show “AF” (Anti-Freezing).
THERMAL DISINFECTION FUNCTION (Anti-Legionella)
(models with the interface shown in Fig. 8a/b)
The Anti-Legionella function is activated by default. It consists of a water heating/60°C temperature
maintenance cycle for 1 hour which has a thermal disinfection action on the relative bacteria.
The cycle starts when the product is started up and when it is restarted after a power outage. If the prod-
uct always functions at temperatures lower than 55°C, the cycle is repeated after 30 days.
When the product is switched off, the anti-Legionella function is deactivated. If the equipment is switched
off during the anti Legionella cycle, the product switches off and the function is deactivated.
At the end of the cycle, the use temperature returns to the temperature previously set by the user.
To activate this function, simultaneously press and hold the “ON/OFF” and “
” buttons for 3 seconds;
the display will show “A1” for 4 seconds to confirm the activation. To deactivate the function permanently,
repeat the operations described above; the display will show “A0” for 3 seconds to confirm the deacti-
vation.
BUZZER
(models with the interface shown in Fig. 8a)
The product is equipped with acoustic feedback. To permanently deactivate the function, simultaneously
press and hold the “ON/OFF” and “
” buttons for 3 seconds; the display will show “b0” for 3 seconds
to confirm the deactivation.
To activate this function, simultaneously press and hold the “ON/OFF” and “
” buttons for 3 seconds;
the display will show “b1” for 3 seconds to confirm the activation.
RESET/DIAGNOSTICS
(models with the interface shown in Fig. 8a/b)
Whenever one of the following faults occurs, the appliance enters the “fault mode” and the status indi-
cator (
Fig. 8a/b Ref.1
) will be lit red and flashing.
Diagnostics:
The type of malfunction is indicated on the display, which will show “Er” flashing, alternating
with the relevant error code, according to the following scheme:
01
- internal malfunction of the circuit board
61/62
- internal malfunction of the circuit board (NFC communication or NFC data)
10
- broken temperature probes (open or short circuited) - boiler outlet
11
- excessive water temperature detected by single sensor - boiler outlet
12
- general excessive water temperature (circuit board fault) - boiler outlet
14
- Failure to heat water with powered heating element - boiler outlet
15
- overheating caused by lack of water - boiler outlet
20
- broken temperature probes (open or short circuited) - boiler inlet
21
- excessive water temperature detected by single sensor - boiler inlet
22
- general excessive water temperature (circuit board fault) - boiler inlet
Summary of Contents for ABSE VLS PRO PW 100
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