LAVASTOVIGLIE PROFESSIONALE CWC500R
PROFESSIONAL DISHWASHER CWC500R
LAVE-VAISSELLE PROFESSIONNEL CWC500R
PROFESSIONELLER GESCHIRRSPÜLER CWC500R
LAVAVAJILLAS PROFESIONAL CWC500R
MÁQUINA DE LAVAR LOUÇA PROFISSIONAL CWC500R
1 Safety and usage instructions
2 Technical characteristics
3 Installation and positioning
4 INSTALLER – TECHNICAL ASSISTANT INSTRUCTIONS
5 First startup
6 Settings
7 Screen-displayed anomalies (technical)
8 USER INSTRUCTIONS
9 Program selection
10 Maintenance and cleaning
11 Problems and anomalies (user)
12 Screen-displayed anomalies (user)
Thank you for having chosen this product.
We recommend that you read all of the instructions contained in the manual attentively in order to become
familiar with the most suitable conditions for the correct use of the dishwasher.
TECHNICAL INSTRUCTIONS:
Are intended for qualified personnel who will perform the installation, the setup, the testing
and eventual assistance operations.
USER INSTRUCTIONS:
Indicate the recommended usage, the command descriptions and the proper cleaning and
maintenance operations for the dishwasher.
1 Safety and usage instructions
THIS MANUAL CONSTITUTES AN INTEGRAL PART OF THE DISHWASHER; IT MUST
NECESSARILY BE STORED INTEGRAL AND TOGETHER WITH THE APPARATUS.
THE DISHWASHER IS INTENDED EXCLUSIVELY FOR PROFESSIONAL USE AND MUST BE USED BY
COMPETENT PERSONNEL. IT IS DESIGNED TO WASH DISHES (PLATES, CUPS, BOWLS, BAKING
PANS, SILVERWARE) AND SIMILAR ITEMS FROM THE GASTRONOMY AND THE COLLECTIVE
RESTAURANT INDUSTRIES. IT CONFORMS TO THE INTERNATIONAL ELECTRIC AND MECHANICAL
SAFETY NORMS (CEI-EN-IEC 60335-2-58/61770) AND ELECTROMAGNETIC COMPATIBILITY NORMS
(CEI-IEC-EN 55014-1/-2, 61000-3;4, 50366).
THE MANUFACTURER DECLINES ANY RESPONSABILITY FOR DAMAGE TO PERSONS OR THINGS
CAUSED BY NON-OBSERVANCE OF THE INSTRUCTIONS PRESENT IN THE MANUAL, BY INCORRECT
USE, BY TAMPERING EVEN WITH A SINGLE PART OF THE APPARATUS AND BY USE OF NONORIGINAL REPLACEMENT PARTS.
THIS APPARATUS IS MARKED IN CONFORMITY TO THE EUROPEAN DIRECTIVE 2002/96/EC, WASTE
ELECTRICAL AND ELECTRONIC EQUIPMENT (WEE).
BY ENSURING THAT THIS PRODUCT BE DISPOSED OF IN A CORRECT MANNER, THE USER
CONTRIBUTES TO THE PREVENTION OF POTENTIALLY NEGATIVE ENVIRONMENTAL AND HEALTH
CONSEQUENCES.
THE
THAT THIS PRODUCT MUST NOT BE TREATED AS DOMESTIC WASTE, BUT MUST BE TAKEN TO A
SUITABLE COLLECTION DEPOT FOR THE RECYCLING OF ELECTRIC AND ELECTRONIC APPARATUS.
DISPOSE OF THE APPARATUS ACCORDING TO THE LOCAL WASTE DISPOSAL NORMS.
FOR MORE INFORMATION ON THE TREATMENT, RECOVERY AND RECYCLING OF THIS PRODUCT,
CONTACT YOUR COMPETENT LOCAL AUTHORITY, YOUR DOMESTIC WASTE DISPOSAL SERVICE OR
THE STORE IN WHICH THE PRODUCT WAS PURCHASED.
THE POSITIONING, CONNECTIONS, SETUP AND TROUBLESHOOTING, AND THE
SUBSTITUTION OF THE POWER CABLE MUST BE PERFORMED BY QUALIFIED
PERSONNEL.
THE ELECTRICAL GROUNDING OF THE APPARATUS ACCORDING TO THE METHODS
PRESCRIBED BY THE ELECTRICAL SYSTEM’S SAFETY NORMS IS OBBLIGATORY.
SYMBOL ON THE PRODUCT, OR UPON ITS ACCOMPANYING DOCUMENTATION, INDICATES
DO NOT INSERT SOLVENTS SUCH AS ALCOHOL OR TURPENTINE WHICH COULD
PROVOKE EXPLOSIONS. DO NOT INSERT DISHES WITH RESIDUES OF ASH, WAX OR
VARNISH.
NEVER USE THE DISHWASHER OR ITS PARTS AS A STEP-LADDER, SUPPORT OR BRACE
FOR PERSONS, THINGS OR ANIMALS.
LEANING OR SITTING UPON THE DISHWASHER’S OPEN DOOR COULD CAUSE IT TO TIP,
WITH CONSEQUENT PERSONAL DANGER.
DO NOT LEAVE THE DISHWASHER’S DOOR OPEN IN ORDER TO AVOID TRIPPING UPON
IT.
DO NOT DRINK THE RESIDUAL WATER EVENTUALLY PRESENT IN THE DISHES OR IN THE
DISHWASHER AFTER A WASH CYCLE.
THE APPARATUS IS NOT ADAPTED FOR USE BY MINORS AND PEOPLE WITH REDUCED
PHYSICAL, SENSORIAL OR MENTAL CAPABILITIES WITHOUT EXPERIENCE OR
FAMILIARITY WITH THE DEVICE. THE USE OF THE APPARATUS IS PERMITTED TO THESE
PEOPLE ONLY UNDER THE SUPERVISION OF A PERSON IN CHARGE OF THEIR SAFETY.
2
2 Technical characteristics
TECHNICAL CHARACTERISTICS
Input voltage power V 400V 3N ~
- transformable to version V 230V-3 ~
Frequency Hz 50
Max. absorbed power at 400V 3N ~ kW 11,1
Boiler resistance power at 400V 3N ~ kW 10,0
Tank resistance power kW 3,0
Water supply pressure kPa (bar) 200-400 (2 ÷ 4)
Water supply temperature °C 50°C – 60°C
Water supply hardness °dF 7°dF-12°dF
Rinse cycle water consumption l 3,9
Boiler capacity l 9
Tank capacity l 35
Standard cycle duration with water supply at 50°C s 90/120/180/c
Noise level dB(A) 67
Protection rating IPX 4
Net weight kg 127
Power cable type ◄HAR► H07RN-F
Electrical scheme - legend
PV Tank Pressostat
ISP Door Safety Switch
STV Tank Temperature Sensor
STB Boiler Temperature Sensor
TRB Boiler Resistance Remote Control Switch (Coil)
TRV Tank Resistance Remote Control Switch (Coil)
E Rinse Electrovalve
DB Rinse-aid Metering Unit
P Wash Pump
DD Detergent Metering Unit
PBT Break Tank Pressostat
PR Rinse pump
TP Wash Pump Remote Control Switch (Coil)
TPL Wash Pump Thermal
TS Safety Thermostat
F Antistatic filters
CWC500R
Electrical Scheme – voltage regulation
400/3 Volt
RST RST
230/3 Volt
Wash Pump Boiler Resistance
3
TRB
TRB
400/3 Volt
230/3 Volt
4
.
Model:
CWC500R‐Kw11.1
Allacciamentoelettrico
Electricalconnection
Branchementelectrique
Elektroanschluss
Morsettiera
Terminalboard
Plaquesabornes
Klemmenbrett
Morsettiera
Terminalboard
Plaquesabornes
Klemmenbrett
Cavoelettrico
Electricalcable
Cableelectrique
Elektrokabel
Morsettoequipotenziale
Equipotentialtermical
Bomeequipotential
V
Hz
A
V
Hz
A
V
Hz
M
m
2
Potentialaausgleichklemme
Ingressoacquacalda
Hotwaterinlet
Entrèeeauchaude
Wamwassereintritt
Ingressoacquafredda
coldwaterinlet
Entrèeeaufroide
kaltwassereiintritt
Scaricoacqua
Waterdrain
Vidangeeau
WasserAbflub
bar
kpa
3
300
bar
kpa
Nonindotazione
Notequipped
Pasendotation
Nichtdabei
Ø
3/4
l/h
135
Ø
l/h
Ø
32
Rubinettodiintercettazione
Isolatorvalve
Robinetdebarrage
Abssperrhahn
Interruttoremagnetotermicodifferenziale
Differentialmagnetothermicswitch
Interrupteurmagnètothermiquediffèrentiel
Magnetothermischerdifferentialschalter
5
3 Installation and positioning
INSTALLATION and POSITIONING
Bring the dishwasher to its installation location, remove its packaging and verify the integrity of the apparatus
and of the components. If damaged, written notification must be sent to the transporter.
The packaging elements (plastic bags, polystyrene foam, nails, etc) must not be left within reach of children
and domestic animals as they are a potential source of danger.
All of the materials used for packaging are compatible with the environment. They may be safely preserved, or
may be disposed of at an appropriate waste disposal facility.
The components in plastic material subject to eventual disposal through recycling are marked in the following
manner:
PE polyethylene: external wrapping, instructions bag, protection bags.
PP polypropylene: bands.
PS polystyrene foam: protective corners, packaging cover.
The wood and cardboard components can be disposed of by respecting the norms in vigor.
When disposing of the product, avoid leaving it in the environment; its disposal must respect the norms in vigor.
All of the metallic parts are in stainless steel and are detachable.
The plastic parts are marked with the symbol of the relative material.
POSITIONING:
Warning:
must answer to the norms in vigor.
The manufacturer declines any responsibility for direct damages to persons of things deriving from lack of
respect for the said norms.
Prior to installation verify that objects and materials which could be damaged by aqueous vapor or by spray
from washing solutions are not in the vicinity, or are adequately protected.
Position the dishwasher in the desired position and remove the protective wrapping.
Level the dishwasher (with the help of a level) on its four feet, regulating them in such a way so as to
guarantee stability; any alternate solution must be approved by the manufacturer.
the internal system and the locations in which communal apparatus are to be installed,
4 INSTALLER – TECHNICAL ASSISTANT
INSTRUCTIONS
Water and drain connection:
The water tubes and the electrical power cable stick out from the back of the machine. Connect the water
supply tube to a ¾” threaded gas outlet.
Use only new tubes for the connection to the water supply; old or used tubes must not be utilized.
The dynamic supply pressure must be between 2 and 4 bar; if the pressure is higher, a pressure reducer
must be installed.
It is indispensable to install a general faucet on the supply water input tubing; the faucet must be accessible
after installation has been completed. Do not install the faucet behind the dishwasher.
The declared cycle durations refer to a 50° hot water supply.
Where a cold water supply is used, the duration of the cycle could increase in relation to the input water
temperature since the dishwasher is equipped with a constant temperature and pressure rinse system.
Drain:
Every dishwasher comes equipped with a drain connection tube; this is prescribed to be at floor level, with a
trap drain.
Caution: make sure that the supply and drain tubes are not bent, restricted or crushed after
installation.
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4.1 Electrical connection
The dishwasher’s electrical connection and that of eventual supplementary apparatus is to be
entrusted to authorized and qualified personnel, with respect to the norms in vigor; observe also the
technical regulations for the connections.
The total power installed is given upon the apparatus’ technical data label.
Other apparatus must not be protected along with the dishwasher.
The user must provide for the installation, according to the norms in vigor, of a main electrical power
switch and of a differential switch compatible with the machine’s characteristics.
These switches must be installed near the dishwasher, be easily accessible after installation and
guarantee complete disconnection from the electrical supply in category III overvoltage conditions.
Caution!!!
The dishwasher is free of electrical current only when the main switch is off.
‐ Connect the apparatus to the usage equalizer. The
back of the machine.
‐ The protection conductor (PE) is yellow-green in color, the neutral conductor (N) is blue and the
phase conductors (L1, L2, L3) are black, gray and brown.
clamp for the connection is located at the lower
5 FIRST STARTUP
FIRST STARTUP
The electrical protection system must be subjected to a functional test before use. The installation must be
performed and/or verified by the authorized reseller who will be responsible for the first startup and the
instructions relative to the dishwasher’s operation.
PREPARATION FOR USE
Important:
The rinse-aid metering unit comes equipped in all models
while the detergent metering unit comes equipped in only
some models.
If both metering units are present position the external
detergent and rinse-aid containers and insert their
respective suction tubes located at the back of the machine.
Red tube: detergent
Transparent tube: rinse-aid
Before inserting the tubes in the containers apply the weight
(necessary to keep the tube at the bottom of the container)
and the filter as indicated in the diagram.
For adjustments, use the adjustment screws indicated in the diagram. It is
recommended that adjustments be performed by personnel from the companies who
have supplied the detergent products.
If the detergent metering unit did not come pre-installed it can be installed at a later
time by ordering the relative KIT.
Alternatively, an external metering unit can be connected by means of an electrical
connection with a 2x0.5 mm type H05 RN-F cable. This cable must be inserted through
the passage indicated in the TECHNICAL CHARACTERISTICS scheme and
connected in accordance with the electrical scheme furnished with the dishwasher.
The metering unit must be of 230V/50Hz with a maximum absorbed power of 15W.
Connect the detergent metering unit to the dishwasher through the red tube cited above.
.
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6 SETTINGS (only models CW400RSD - CW400R – CWC500R)
MACHINE CONFIGURATION PARAMETERS ( Intended for technical personnel, not for the user )
P0 RINSE CYCLE TIME, from 1 to 5 minutes, preset to 2
P1 BOILER TEMPERATURE, from 60 to 95 °C, preset to 86 °C
P2 TANK TEMPERATURE, from 40 to 65 °C, preset to 55 °C
P3 RINSE DURATION from 10 to 40 sec., preset to 13 sec
During the rinse phase the drain pump is also activated (if installed), and is kept active for 4 seconds after
the end of the rinse phase
P4 BOILER STOP FUNCTION: 0 = not installed, 1 = installed, preset to 0
P5 MACHINE TYPE:
5 = with three wash cycles without Break Tank/Air Trap for Hood
6 = with three wash cycles with Break Tank /Air Trap for Hood
P6 DRAIN OPTION WITH OVERFLOW: 0 = not installed. 1 = installed, preset to 1
The drain is activated each time the load electrovalve is activated .
Once the rinse phase has finished, the drain pump continues to function for 4 seconds
The drain cycle can be activated manually by the operator by keeping the drain button
pressed for 3 seconds. The drain cycle has a duration of 120 seconds, at the end of
which the machine automatically shuts off.
P9 WATER LOADING DURATION, from 1 to 10 minutes, preset to 10 minutes.
To access the factory menu the following procedure must be followed:
1) Shut the machine off with the
2) Within 6 seconds of machine shutdown press the
At the end of the 6 seconds, the message “ P0” will appear on the screen.
3) Select the parameter to modify with the
4) Press the
5) Modify the parameter with the
6) Confirm the modification with the
7) Select, in the same way, other parameters to be modified and modify them as described above
8) After having set all of the machine’s parameters, press the
button to view the selected parameter on the display
button
button 7 times
button
button
button
button to exit.
7 SCREEN DISPLAYED ANOMALIES
The machine is capable of signaling a series of malfunctions on the display.
If the problem persists after having turned the machine off and then on again, act as indicated below:
E1
E2
E3
Boiler sensor malfunction Substitute
Tank sensor malfunction Substitute
Water loading timeout ( the water loading duration
has exceeded the time set in P9 )
Electrovalve inspection – Verify that the water
faucet is open
E6
E7
E8
Draining anomaly. At the end of the draining phase
the CPU still detects water in the Tank. This may
be due to:
30 minute Tank timeout
15 minute boiler timeout
Drain pump malfunction
Drain tube blockage
Tank Pressostat malfunction
Drain cycle time ( P0 ) set too low
Inspect the Tank and boiler thermostats
Check for inverted sensors
Inspect the Tank and boiler thermostats
Check for inverted sensors
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8.1 Control panel
8 USER INSTRUCTIONS
On Off button
Tank filling symbol
Boiler draining button
Brief wash cycle
Medium wash cycle
Long wash cycle
Continuous wash cycle
Led indicator functions
Led indictor portrayals:
off; green; red; flashing
8.2 Before washing
Use only detergents and rinse-aids for industrial dishwashers.
Do not use detergents intended for hand washing.
It is recommended to use products which were designed especially for this dishwasher.
During the loading of the tanks be careful not to switch products as this could provoke dishwasher
malfunction and damage.
Do not mix different detergents together as this could damage the metering unit.
Detergents for industrial dishwashers can cause serious irritations. Take care to respect the instructions
provided by the detergent manufacturer on the packaging.
9
Open the
water supply
faucet
(usage).
The levels of
detergent and
rinse-aid in the
containers.
Verify:
The correct positioning of the filters, the rotation of
the sprinklers, the absence of foreign objects
within the dishwasher.
Turn off the main
switch (usage), “OFF”
appears on the
display.
8.3 FIRST DAILY USE (Tank and boiler empty)
Activate the wall switch. Two small illuminated points on the display will turn on; the led indicator on the left of the
switch
overflow and close the hood.
will be lit red in order to indicate that the machine is receiving electrical current; Position the
- Press the general power
machine begins to fill itself. The
will stop flashing and will remain a steady green
- Select the desired washing time by means of the
use the machine is positioned automatically on a medium cycle
selected cycle turns on. The led indicator flashes until the end of the wash cycle, after which it turns a
steady green again. To start the cycle, open the hood, insert the basket and close the hood; the selected
led indicator will begin to flash and will stop flashing at the end of the completed cycle.
- The display will indicate the wash or rinse temperatures based upon the active function of the machine.
button. The led indicator to the right of the button turns green and the
led indicator will begin to flash. Once filling has been completed it
.
selectors, keeping in mind that upon first
. The green led indicator relative to the
Note: if the machine came equipped with rinse delay, the wash will continue until the programmed rinse
temperature is reached, after which the cycle will terminate. After having selected the continuous cycle
indicator
terminate once the led indicator
When finished, for models with a drain pump, remove the overflow and press
begin once the led indicator turns on, and will terminate with the automatic shutdown of the machine.
will start to flash. To interrupt the cycle press again. The rinse will begin and the cycle will
becomes a steady green.
for 4 seconds. Drainage will
, the led
9 PROGRAM SELECTION
PROGRAM WASH TYPEOLOGY DURATION (*)
Glasses Brief about 1’ 15”
Glasses, cups, very dirty plates Medium about 2’
10
Silverware and very dirty plates Long about 3’
(*)The cycle durations indicated above are based upon a tri-phase connection with a 50°C hot water
supply.
Where a cold water supply is used, the duration of the cycle could increase in relation to the input water
temperature since the dishwasher is equipped with a constant temperature and pressure rinse system.
Particularly dirty dishes Continuous from 0 to 10’
DISH LOADING
Plates
The basket can contain
12 bowls or 18 flat plates.
Remove solid residues from the dishes
(bones, peels, cores, etc.); before
washing, let dishes with residues of
dried-on cheese, egg…… etc. soak in
cold water.
Glasses
Cups should be positioned upside down.
Silverware
Use the appropriate basket(s). It is preferable to arrange large amounts of silverware with the handles facing down,
taking care to avoid injury from fork prongs and knife blades.
Total drainage at the end of the day
The dishwasher is capable of performing an auto-clean cycle at the end of the day.
At the end of the working day press the drain button
close the hood. When the led indicator
begin. These operations will terminate with the automatic shutdown of the machine.
When all washing operations have been completed, do the following:
- turn the main switch
- turn off the main wall switch;
- close the water supply faucet;
- remove the overflow (the machine begins to drain) ;
- remove the filter once the machine is empty;
- wash the inside of the Tank and the filters with suitable products;
- reposition the filters and the overflow in their respective lodgings.
At the end of the working day, for models with a drain pump (optional), remove the overflow and press the drain
button
automatic shutdown of the machine.
The cleaning of the filters is recommended after a complete draining, as described in the previous paragraph.
for 4 seconds. Drainage will begin once the led indicator turns on and will terminate with the
to the "OFF" position;
turns on, the draining of the boiler and the cleaning of the Tank will
for 4 seconds. Lift the hood, remove the overflow and
11
Do not turn off the washing machine while the Tank is full. Always drain it first.
10 MAINTENANCE AND CLEANING
Notwithstanding that special, programmed maintenance is not required, we recommend having the dishwasher
checked by a specialized technician twice a year.
Note: intentional damage or that derived from carelessness, negligence, lack of respect for the regulations,
instructions and norms or erred connections are not to be considered the responsibility of the manufacturer.
10.1 Daily cleaning
The dishwasher has an IPX4 protection rating, but the use of direct streams of water for its cleaning is forbidden.
Cleaning of the filter during the day
In case of particularly heavy usage it is recommended to perform a cleaning of the filter every 30-40 wash cycles in
order to maintain the machine in operative conditions; Use “partial Tank draining” in order to perform these
cleanings.
Remove the filters (it is sufficient to lift them out of their lodgings as shown
in the figure), making sure that greasy residues do not fall into the opening
underneath the filters. Clean away the residues and rinse the filters
abundantly before correctly replacing them; Do not utilize pointy or sharp
objects for cleaning.
Be sure to remove eventual hardened calcium deposits in order to avoid
their accumulation;
‐ Clean the surfaces well and frequently with a damp rag; use neutral,
non-abrasive detergents which do not contain chlorine-based
substances. Corrosive products can damage stainless steel.
In order to avoid drops or vapors damaging the steel surfaces, do not even use the above-indicated products for
the cleaning of the flooring beneath or around the dishwasher.
10.2 Periodic checks
Disassemble the sprinklers (lower and upper) by removing the central screw; unscrew the caps at the two far ends
of the rinsing sprinklers as indicated in the figure. Do not unscrew the nozzles.
Clean the holes and the nozzles under a stream of clean water. Do not use utensils which could cause damage.
Carefully reassemble the sprinklers.
Clean the outside of the machine with neutral soap and a damp cloth. Rinse and dry with care.
10.3 Prolonged disuse
If the use of the dishwasher is not foreseen for a relatively long period of time it is necessary to drain the
detergent and rinse-aid dispenser in order to avoid crystallization and pump damage: Remove the suction
tubes from the detergent and rinse-aid containers and emerge them in a container filled with clean water. Perform a
few wash cycles and drain the machine completely.
12
Finally, turn off the main switch and close the water supply faucet. The detergent and rinse-aid suction tubes will be
placed back in the containers when the machine is ready to be put back in use, taking care so as not to invert
the tubes (red tube = detergent; transparent tube = rinse-aid).
Do not leave the device on, inactive and in disuse for long periods of time.
PROBLEM
11 PROBLEMS AND ANOMALIES (USER)
THE LED POWER INDICATOR
DOES NOT TURN ON
THE WASH PROGRAM DOES
NOT START
POOR WASHING RESULTS
POSSIBLE CAUSE POSSIBLE REMEDY
There is no electrical current Verify the electrical current connection.
The dishwasher has not finished
loading
Sprinkler wash holes are clogged
or encrusted
Detergent or rinse-aid insufficient
or not adequate
Wait for the led indicator to
turn on
Disassemble and clean the sprinklers
(10.2 Periodic checks)
Verify detergent type and quantity.
Plates / glasses poorly positioned Arrange plates / glasses accordingly.
Low wash temperature
Verify the temperature shown on the
display, if below 50°C call Assistance.
Increase the duration of the wash
Inadequate cycle setting
cycle, particularly if dishes are very
dirty or contain partially dried residues.
RINSE INSUFFICIENT
GLASSES AND SILVERWARE
ARE STAINED
WATER IS PRESENT IN THE
TANK AFTER DRAINING
Sprinkler nozzles clogged
Calcium encrustations in the
boiler
Rinse-aid inadequate or not
dispensed correctly.
Water is of a hardness level
above 12°dF or contains many
dissolved salts
Drainage tube is positioned poorly
or is partially blocked
Verify the cleanliness of the nozzles
and the correct function of any
installed water softeners.
Verify the rinse-aid container and
ensure its adequacy for use with the
water supply. If the problem persists
contact assistance.
Verify that the dishwasher’s tube and
drain are not blocked and that the
drain is not in too high of a position;
see the connection diagram.
13
12 SCREEN DISPLAYED ANOMALIES (USER)
After having turned the machine off and on again, if the problem persists communicate the type of error displayed
on the screen to technical assistance:
E1
Boiler sensor malfunction
E2
E3
E6
E7
E8
Tank sensor malfunction
Water loading timeout ( the water loading duration has exceeded the time set in P9 )
Draining anomaly. At the end of the draining phase the CPU still detects water in the Tank. This may be
due to: Drain pump malfunction, Drain tube blockage, Tank Pressostat malfunction, Drain cycle time set
too low
30 minute Tank timeout
15 minute boiler timeout
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