Table des Matières
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Les langues disponibles
Les langues disponibles
314
ON / OFF repeated
321
Corrupted data
331
Missing communication between Main Board and HMI
332
333
Mainboard – WiFi board missing communication
334
Missing Communication between Inverter and main board
335
Safety board communication failure
336
Touch screen not working
337
Cascade master missing
MAINTENANCE (for authorized personnel)
WARNING!
Observe the general warnings and safety instructions listed in the
previous paragraphs and strictly adhere to the indications therein
contained.
All maintenance operations and interventions should be per-
formed by qualified personnel (i.e. with the necessary require-
ments as outlined in the applicable norms in force).
After routine or extraordinary maintenance, we recommend filling the
appliance's tank with water and draining it completely to remove any
residual impurities.
Use only original spare parts from technical assistance centres that
are authorised by the manufacturer.
DRAINING THE APPLIANCE
The appliance must be drained if left inactive in a room subject to
frost. When necessary, empty the appliance as follows:
- Permanently disconnect the appliance form the mains electricity;
- Close the shut-off valve, if installed, or the central tap of the do-
mestic water supply network;
- Open the hot water tap (washbasin or bathtub);
- Open the cock on the safety device (in countries which acknowl-
edge EN 1487) or the special cock installed on the "T" fitting, as
described in paragraph "Hydraulic connection".
ROUTINE MAINTENANCE
Partial obstruction of the evaporator filter causes a reduction in prod-
uct performance. We therefore recommend cleaning the filter to re-
move any dust or obstructions at least once a year.
The filter can be extracted using the appropriate clip above the cas-
ings. Clean the filter with water and mild soap. Verify that the external
terminal of the air exhaust duct, and the duct itself, are not obstruct-
ed or have not deteriorated. Ensure that the condensate water runs
out in a suitable drain and make sure the discharge is made without
hindrance.
Check and clean canalizations and grills.
34 /EN
All manuals and user guides at all-guides.com
OFF
OFF Wait 15 minutes before unlocking the product with ON/OFF button
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
Reset the product by pressing the ON / OFF button twice.
If the error persists, replace the motherboard.
Reset the product by pushing the ON/OFF button twice. If the error persists,
replace the mainboard-display communication wiring.
If WiFi present:
- Check cables between motherboard and HMI.
- If the error persists, replace the HMI module.
If WiFi not present:
- Enter to the Installer Menu and set P31 OFF.
- If the error occurs again, replace the Main Board.
Check the communication cable and the related motherboard and TDC
cables.
If the error persists, replace the TCD.
Reset the product by pressing the ON / OFF button twice.
If the error persists, replace the motherboard.
Reset the product by pressing the ON / OFF button twice.
If the error persists, replace the HMI.
Check that at least one of the products in the cascade is set as Master,
otherwise set one.
ROUTINE MAINTENANCE PERFORMED BY USERS
It is advisable to rinse out the appliance after each routine or extraor-
dinary maintenance intervention.
The pressure safety device must be operated regularly to verify that
it is not clogged and to remove any limescale deposits.
Check that the condensate drainage pipe is not obstructed.
WATER HEATER DISPOSAL
The appliance contains refrigerant gas which must not be released
into the atmosphere. In case of permanent decommissioning of the
water heater, ensure that disposal procedures are carried out by
qualified personnel only.
This product conforms to
WEEE Directive 2012/19/EU.
The barred bin symbol on the appliance and its pack-
aging indicates that the product must be scrapped
separately from other waste at the end of its service
life. The user must therefore hand the equipment over to a sorted
waste disposal facility for electro-technical and electronic equip-
ment at the end of its service life. Alternatively, the equipment
may be returned to the retailer at the time of purchase of a new
equivalent type of appliance. Electronic equipment of size less
than 25 cm can be handed over to any electronics equipment
retailer whose sales area is at least 400 m² for disposal free of
charge and without any obligation to purchase new product. Sort-
ed waste collection for recycling, treatment and environmentally
compatible scrapping contributes to the prevention of damage
to the environment and promotes reuse/recycling. For more de-
tailed information on the collection systems available, contact the
local waste disposal service or the shop where the product was
purchased.
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