Tower Hobbies T17101 User manual

1
7 LITRE
7 IN 1 AIR FRYER WITH STEAMER
USER MANUAL
MODEL: T17101

2
THIS BOX CONTAINS 3
SPECIFICATIONS 3
IMPORTANT SAFETY INFORMATION 4
•General safety 4
•Plug and cord 5
•Wiring safety 6
GETTING TO KNOW YOUR AIR FRYER 7
•Control panel and display 7
•Structure of your appliance 8
BEFORE FIRST USE 9
•Preparing for use 9
•Air fryer drawer safety switch 9
•Turning on the appliance 9
•Auto-off function 9
USING YOUR AIR FRYER 10
•Selecting a cooking mode 10
•Air frying mode 10
•Steam mode 10
•Combo cook 11
•Filling the water tank 11
•Setting the temperature/time 12
WEIGHTS & MEASURES TABLE 13
AIR FRY MODE SETTINGS TABLE 14
STEAM MODE SETTINGS TABLE 15
 16
CLEANING AND CARE 17-18
TROUBLESHOOTING 19-21
 22
RECIPES 23-27
TABLE OF CONTENTS

3
THIS BOX CONTAINS
SPECIFICATIONS
RATED VOLTAGE AC 220 - 240V~
FREQUENCY 50/60Hz
POWER CONSUMPTION 1700W
CAPACITY 7 Litre
TEMPERATURE RANGE 80°C - 200°C
TIME RANGE 1-60 minutes
 H: 387 x W 319 : x D: 427mm
WEIGHT 7.2Kg
Instruction Manual
7L Digital Steam Air Fryer
Removable Grill Plate

4
Please read these safety NOTES carefully
BEFORE using your Tower appliance.
These warnings have been provided in the
interest of safety. Basic safety precautions
should always be followed including the
following:
KEY SAFETY POINTS
CAUTION: During operation:
• Surfaces are hot. DO NOT touch the hot
surfaces.
• Hot steam is released through the air
outlet openings. Keep your hands and
face at a safe distance from the steam
and from the air outlet openings.
• Hot steam and air may escape when the
appliance drawer is opened.
GENERAL SAFETY
• DO NOT immerse cords, plugs or any part
of the appliance in water or any other
liquid.
• Close supervision is necessary when any
appliance is used by or near children.
• Children should not play with the
appliance.
• This appliance can be used by children
aged from 8 years and above and persons
with reduced physical, sensory or mental
capabilities or lack of experience and
knowledge if they have been given
supervision or instruction concerning
use of the appliance in a safe way and
understand the hazards involved.
• Cleaning and user maintenance should
not be undertaken by children without
supervision.
• Take care when any appliance is used
near pets.
• 
or removing accessories, after use and
before cleaning.
• Allow the appliance to cool down for

or removing accessories or cleaning.
• If the supply cord or appliance is
damaged, stop using the appliance
immediately and seek advice from the
manufacturer, its service agent or a

•The use of accessory attachments is
not recommended by the appliance
manufacturer, apart from those supplied
with this product.
• DO NOT use the appliance outdoors.
• DO NOT place the appliance on or near a
hot stove top or heated oven.
• Take care when moving the appliance, or
removing accessories and food as hot oil
or other hot liquids may be present.
• This appliance is for household use only.
• DO NOT place anything on top
of the appliance.
• DO NOT clean the appliance with
metal kitchen utensils, caustic
or abrasive cleaning agents or scouring
sponges.
• DO NOT use this appliance for anything
other than its intended use.
It is important that this instruction
manual is retained for future
reference.
If the appliance is given to someone
else, it should always be accompanied
by these operating instructions, as
they form an integral part of the
appliance.
IMPORTANT SAFETY INFORMATION

5
WHILST AIR FRYING
• Please ensure that the appliance is used
on a stable, level, and heat resistant
surface.
• DO NOT place the appliance
on or near combustible materials
such as a tablecloth or curtain.
• DO NOT place the appliance against
a wall or against other appliances.
Leave at least 10cm free space
on the back and sides and 10cm free
space above the appliance.
•DO NOT place the appliance in
the presence of explosive

• DO NOT cover the air inlet and outlet
during operation.
• Any accessories, baking trays or oven
dishes used in the appliance
will become hot. Always use oven gloves
when handling or removing anything
from the appliance.
•DO NOT place food that is still packed in
plastic wrap or plastic bags
in the appliance.
•DO NOT allow food to come into contact
with the heating element of
the appliance.
• If the appliance begins to emit smoke,
unplug it immediately.
Only open the door once the smoke has
cleared. Remove burnt remnants.
•DO NOT leave this appliance unattended
whilst operating.
PLUG AND CORD
• Check that the voltage of the main
circuit corresponds with the rating of the
appliance before operating.
• WARNING: DO NOT let the cord hang over
the edge of a table or counter, serious
burns may result from the air fryer being
pulled off the counter where it may
be grabbed by children or become
entangled with the user.
• DO NOT let the supply cord touch
hot surfaces.
• DO NOT carry the appliance by the power
cord.
• DO NOT use any extension cord
with this appliance.
•The appliance is not intended to be
operated by means of an external timer
or separate remote-control system.
• DO NOT pull the plug out by the cord
as this may damage the plug and/or
the cable.
•DO NOT plug and unplug with
wet hands.

6
IMPORTANT: As the colours in the mains
lead of this appliance may not correspond
with the coloured markings identifying
the terminals in your plug, please proceed
as follows:
The wires in the mains lead are labelled
in accordance with the following code:
Blue neutral [N] Brown live [L] Green/
Yellow [EARTH]
PLUG FITTING DETAILS
(WHERE APPLICABLE)
•The wire labelled blue is the neutral
and must be connected to the terminal
marked [N].
•The wire labelled brown is the live wire
and must be connected to the terminal
marked [L].
•The wire labelled green/yellow must be
connected to the terminal marked with
the letter [E].
•On no account must either the brown
or the blue wire be connected to the
[EARTH] terminal.
•Always ensure that the cord grip is
fastened correctly.
• 

conforming to BS 1362 and be ASTA
approved.
• 
who will be pleased to do this for you.
NON-REWIREABLE MAINS PLUG
If your appliance is supplied with a

lead and should the fuse need replacing,
you must use an ASTA approved one
(conforming to BS 1362 of the same rating).

who will be pleased to do this for you.
If you need to remove the plug - disconnect
it from the mains - then cut it off of the
mains lead and immediately dispose of it
in a safe manner. Never attempt to reuse
the plug or insert it into a socket outlet as
there is a danger of an electric shock.
In the unlikely event the appliance develops a fault, stop using it immediately
and seek advice from the Customer Support Team. [phone]
WARNING:
This appliance MUST be earthed!
FUSE
Earth
(G
reen/Yellow)
Fuse
Neutral
(Blue)
Live
(Bro
wn)
WIRING SAFETY FOR UK USE ONLY

7
GETTING TO KNOW YOUR AIR FRYER
CONTROL PANEL AND DISPLAY
1. Start/Pause Key
2. Time/Temperature - Key
3. LED Display
4. Time/Temperature + Key
5. Power ON/OFF Key
6. Function Indicators
7. Steam Function Control Panel
8. Time Selection Key
9. Temperature Selection Key
10. Air Frying Function Control Panel
1 2
10 789
3 4 5
6
AIR FRYING MODE
Air Fry – A regular air fry cycle, ideal
for creating low-fat fried snacks.
Bake - Automatically sets the ideal time
and temperature for baking bread, cakes
or snacks.
Roast – Automatically sets the ideal time

or vegetables.
Grill - Automatically sets the ideal time

or vegetables.
Reheat - Automatically sets the ideal time
and temperature for reheating ingredients.
STEAM MODE
Steam – A regular steam cycle, ideal for
creating a variety of simple steamed meals.
Combo Cook – This function combines the
unit’s air frying and steaming functions
within a single cycle, making it ideal for
creating full meals in one go.
Steam Clean – This function automatically
cleans the unit after a cooking cycle,
minimizing the need for manual
maintenance.
Pump Water – This function pumps
the remaining water out of the water tank
after a cycle, minimizing the need
for manual emptying.

8
Air outlet
STRUCTURE OF YOUR APPLIANCE
Excess Steam
Collector Pot
LED
Screen
Cool Touch
Handle
Drawer
Air inlet
Water Tank
Water Drip
Tray

9
PREPARING FOR USE
1. Remove your appliance from the
packaging.
2. Check that there is no damage to the
cord or any visible damage to the body.
3. Check that all listed parts are present.
4. Remove any stickers or labels from the
appliance. DO NOT remove the rating
plate or any warnings.
5. Dispose of the packaging in a
responsible manner.
6. Locate the appliance on a stable,
horizontal, even and heat-resistant
surface in accordance with the
Important safety information section.
7. Thoroughly clean the drawer and grill
plate with hot water, some washing up
liquid and a non-abrasive sponge.
8. Wipe the inside and outside of the
appliance with a moist cloth.
9. DO NOT
frying fat or any other liquid. This is an
oil-free fryer that works on hot air.
10.Place the grill plate in the drawer.
11. DO NOT put anything on top of the

and the hot air frying will be affected as
a result.
AIR FRYER DRAWER
SAFETY SWITCH:
For your safety, this air fryer contains
a safety switch in the drawer designed to
keep if from accidentally turning on when
the drawer is not properly situated inside
the appliance. Before using the air fryer,
please ensure that the drawer
is fully closed.
TURNING THE APPLIANCE ON
1. Plug the unit into a mains socket. There
will be a sound prompt and the key

show the unit has been powered on.
2. Once the unit is plugged in, touch the
key on the unit’s control panel to turn
it on. The , +/-, mode selection, Temp
and Time keys on the unit’s control
panel will illuminate to show it has been
turned on.
NOTE: The unit will also emit a sound
prompt when it is disconnected from
the mains. This is a normal feature of
the appliance, and not indicative of
malfunction.
AUTO-OFF FUNCTION
1. When cooking is not in progress,
the appliance will automatically go
into Standby mode if there has been
no contact with the control panel
for 1 minute. The key will remain

all other indicators as well as the LED
display will go out to show the unit is in
Standby mode.
2. Touch the key while the unit is in this
state to bring it out of Standby mode.
The indicators on the unit’s control
panel will light up to show the unit has
been taken out of Standby mode
BEFORE FIRST USE

10
SELECTING A COOKING MODE
AND PROGRAM
1. This unit is equipped with two cooking
modes: air fry and steam.
NOTE: A cooking cycle cannot be started
until a cooking mode is selected.
AIR FRY MODE
To select the air frying mode, touch
the Air Fry key on the unit’s control
panel. The corresponding programmes
will then light up to show this mode has
been selected.
Once Air Frying mode has been selected,
touch any of the program keys within its
control panel to select the corresponding
program. The key will begin to flash and
the default time and temperature for
that mode will appear on the unit’s LED
display to show it has been selected.
The programs available in Air Frying
mode are as follows
STEAM MODE
NOTE:
attempting to use Steam mode. If Steam
mode is selected when the water tank has

give off a sound prompt and the error code
‘E12’ will replace the default cooking time
on the unit’s LED display. When this occurs,

Water Tank section.
To select the steam mode, touch
the Steam key on the unit’s control
panel. The corresponding programmes
will then light up to show this mode has
been selected.
Once Steam Cooking mode has been
selected, touch any of the program keys
within its control panel to select the
corresponding program. The key will
begin to flash and the default time and
temperature for that mode will appear
on the unit’s LED display to show it has
been selected.
The programs available in Steam mode
are as follows:
PROGRAM DEFAULT
TIME (MIN)
DEFAULT
TEMP (ºC)
Steam 30 100
Combo Cook 30 180
Steam Clean 30 100
USING YOUR AIR FRYER
PROGRAM DEFAULT
TIME (MIN)
DEFAULT
TEMP (ºC)
Air Fry 18 200
Bake 16 170
Roast 25 200
Reheat 6120
Grill 20 200

11
COMBO COOK FUNCTION
This unit Is equipped with a unique
Combo Cook function, accessible from
the Steam mode function selection
panel. In this mode, the unit will combine
the air frying and steaming functions
within a single cycle, easily creating
succulent and nutritious meat, fish or
vegetable meals.
NOTE: Before using the Combo Cook

to allow steam to be produced.
To start a combo cooking cycle, carry out
the following steps:
1. Touch the ‘Steam’ key on the unit’s
control panel to select Steam mode.
The Steam mode control panel will
light up to show this mode has been
selected.
2. Once the Steam Mode function
selection panel has been activated,
touch the Combo Cook key. The Combo

function’s default time and temperature
will be displayed on the unit’s control
panel to show this mode has been
selected.
3. If necessary, adjust the cooking
time and temperature, as detailed
in the corresponding section of this
instruction manual.
4. Once Combo Cook mode has been
selected, press the key to launch
the cooking cycle. The unit will now
automatically alternate between
Air Frying and Steaming mode, as
appropriate.
FILLING THE WATER TANK
1. To use any of the steam programs, begin


tank and pull it up and away from the
main body of the unit, then unscrew the
water tank valve by turning it counter-
clockwise until it detaches.
2. Once the water tank valve has been
removed, carefully pour water through
the corresponding hole until the tank is

3. 
water, replace the water tank valve

secured into place, then place the water
tank back onto its corresponding slot at
the top of the unit.

12
SETTING THE TEMPERATURE
This unit is equipped with adjustable
temperature settings, from 80 to 200
degrees Celsius.
1. Touch the Temp key on the unit’s
control panel once to activate the
Temperature Selection function. The
corresponding digits will begin to

function has been selected. Once
the Temperature function has been
activated, touch the + and - keys on
the unit’s control panel to adjust the
temperature by increments of 5, from
80 to 200 degrees Celsius. Short touch
each key to adjust this setting gradually
or touch and hold to change the time
more quickly.
2. Once the correct temperature is set,
touch the key to start the cooking
process. The unit will automatically
begin to operate at the latest selected
settings.
NOTE: The temperature can be changed
during operation. To do this, touch the
Temp key while a cooking cycle is in
progress, then follow the steps outlined
above.
SETTING THE TIMER
This unit is equipped with an adjustable
60-minute timer.
1. Touch the Time key on the unit’s control
panel to activate the Timer function
on either or both cooking modes. The

on the LED display to show this function
has been selected.
2. Once the Time function has been
activated, touch the + and - keys on the
unit’s control panel to adjust the time
by increments of 1, from one (0:01) to 60
(1:00) minutes. Short touch each key to
adjust this setting gradually or touch
and hold to change the time more
quickly.
3. Once the correct time for each cooking
mode is set, touch the key to start
the cooking process. The unit will
automatically begin to operate at the
latest selected settings.
NOTE: The time can be changed during
operation. To do this, touch the Time key
while a cooking cycle is in progress, then
follow the steps outlined above.
START/PAUSE
1. Once the appropriate mode, program,
time and temperature have been set
touch the key. All mode keys except
for the one selected will go out, the
function key for the selected mode

indicators will illuminate on the unit’s
LED display. The unit will then begin
to operate on the selected settings.
The LED display will show the selected
temperature and the remaining cooking
time for the duration of the cooking
cycle.
2. Touch the key again while the unit
is in operation to pause the cooking
process. All the function keys on the
control panel will illuminate and the
unit’s fan will stop working after a few
seconds to show the cooking process
has been interrupted.
3. Touch the key again while the unit is
paused to resume the cooking process.
The unit’s fan will start to operate again,
and the unit will continue to operate on
the latest selected settings.

13
METRIC IMPERIAL US CUPS
250ml  1 cup
180ml  3/4 cup
150ml  2/3 cup
120ml  1/2 cup
75ml  1/3 cup
60ml  1/4 cup
30ml  1/8 cup
15ml  1 tablespoon
IMPERIAL Metric
1/2 oz 15g
1 oz 30g
2 oz 60g
3 oz 90g
4 oz 110g
5 oz 140g
6 oz 170g
7 oz 200g
8 oz 225g
9 oz 255g
10 oz 280g
11 oz 310g
12 oz 340g
13 oz 370g
14 oz 400g
16 oz 425g
1 lb oz 450g
WEIGHTS AND MEASURES
Check these charts for basic imperial
to metric conversions of weights.
FOOD ALLERGIES
IMPORTANT: Some of the recipes
contained in this document may contain
nuts and/or other allergens. Please be
careful when making any of our sample
recipes that you ARE NOT allergic to any of
the ingredients. For more information on
allergies, please visit the Food Standards
Agency’s website at: www.food.gov.uk
SETTINGS
The table on the next page will help you
select the basic settings for a variety of
common ingredients.
NOTE: Keep in mind that these settings are
indications. As ingredients differ in origin,
size, shape and brand the best settings for
the ingredients cannot be guaranteed.
NOTE: Because the Rapid Air technology
instantly reheats the air inside the
appliance instantly, removing the

during hot air frying barely disturbs the
process.
NOTE: Add 3 minutes to the preparation
time before you start frying if the appliance
is cold.

14
Time
(mins)
Temp
(°C)
Extra information Shake
POTATO & FRIES
Thin Frozen Fries 18-25 200 Yes
Thick Frozen Fries 20-25 200 Yes
Potato Gratin 20-25 200
MEAT & POULTRY
Steak 12-18 180 No
Pork Chops 12-18 180 No
Hamburger 10-20 180 No
Sausage Roll 13-15 200 No
Drumsticks 25-30 180 No
Chicken Breast 18-25 180 No
SNACKS
Spring Rolls 8-10 200 Yes
Frozen Chicken Nuggets 8-12 180 Yes
Frozen Fish Fingers 6-10 200 No
Frozen Bread Crumbed
Cheese Snacks
8-10 180 No
Stuffed Vegetables 12-20 160 No
BAKING
Cake 8-15 180 No
Quiche 20-22 180 No
 15-18 200 No
Sweet Snacks 20 160 No
AIR FRY MODE SUGGESTED TIME/TEMPS

15
Time
(mins)
Temp
(°C)
Extra information Shake
STEAM SETTINGS
Fresh Shrimp 13-15 100 No
Fish 13-15 100 No
Rice 30-35 100 No
Broccoli 13-15 100 No
Corn 25-30 100 No
Ribs 30-35 100 No
Chicken Breast 30 100 No
STEAM MODE SUGGESTED TIME/TEMPS

16
Spare part replacements and accessories are available to purchase via:
[phone]
www.towerhousewares.co.uk
PART NO DESCRIPTION IMAGE
T1710101 Drawer
T1710102 Crisper Grill Plate
T1710103 Water Tank (Valve not included)
T1710104 Water Tank Valve
T1710105 Water Drip Tray
T1710106 Excess Steam Collector Pot
ACCESSORIES/SPARE PARTS

17
WARNING! Do not immerse the appliance
in water or any other liquid.
NOTE: Clean the appliance after every use.
GENERAL CLEANING
AND CARE
1. Switch off the appliance, remove the
mains plug from the wall socket and let
the appliance cool down.
NOTE: Keep the drawer open to let the unit
cool down more quickly.
2. DO NOT use metal kitchen utensils or
abrasive cleaning materials to clean the
drawer, as this may damage the non-
stick coating.
3. Clean the drawer with hot water, some
washing-up liquid and a non-abrasive
sponge or brush.
TIP: If food residue is stuck to the bottom
of the drawer, leave it to soak in hot water
and some washing-up liquid for a few
hours or overnight.
4. Wipe the outside of the appliance with
a damp cloth.
5. Wipe the inside of the appliance with
hot water and a non-abrasive sponge.
6. Clean the heating element with a
cleaning brush to remove any food
residues.
7. Ensure all parts are thoroughly dry
before use.
CLEANING AND CARE
THE SELF CLEANING FUNCTION
•This unit is equipped with a self-
cleaning function, which helps ensure
the unit remains clean and in optimal
functioning condition.
•To enable the self-cleaning function,
touch the corresponding key on the
Steam Cooking control panel. Press
and the unit will automatically begin
to carry out a self-cleaning cycle with
the default settings (30 minutes at 100
degrees.
NOTE: When running a self-cleaning cycle,

and cannot be adjusted.
THE PUMP WATER FUNCTION
•This unit is equipped with a Pump
Water function, which helps dispose of
any excess water left in the tank after a
self-cleaning cycle.
•To enable the Pump Water function,
touch the corresponding key on the
Steam Cooking control panel. Press
and the unit will automatically begin to
pump water into the drawer for a period

•Once the cycle has complete empty
the drawer ensuring its free of water.
NOTE: When running a self-cleaning cycle,

and cannot be adjusted.

18
EMPTYING THE WATER TANK
NOTE: Ensure the water tank is emptied
after every use, or whenever the unit will
not be used for prolonged periods of time.
•To clean the water tank, detach it from
the main body of the unit, unscrew the
water tank valve by turning it counter-
clockwise, and pour out the excess
water onto a sink or equivalent surface.
•Alternatively, use the Pump Water
function to remove excess water from
the tank. Refer to the corresponding
section below for guidance on how to
use the Pump Water functionality.
EMPTYING THE EXCESS STEAM
COLLECTOR POT
•This unit is equipped with a steam drip
tank on the back of the unit, which
collects excess water generated during
the steam cooking process. This tank
should be emptied after every use.
•To empty this tank, grip it by the
protruding tabs on either side and
carefully manoeuvre it loose. Be careful
not to exert excessive force, as this
could damage the tank.
•Once the steam drip tank has been
removed from the unit, turn it upside
down to dispose of any collected water,
then place it back onto its slot at the
back of the unit. Take care to ensure the

attempting to use the unit for steaming.
EMPTYING THE WATER
DRIP TRAY
•This unit is equipped with a drip tray,
which collects water when using the
steam function. This tank should be
emptied after every use.
•To empty this tank, pull it out from its
slot at the bottom of the unit until it
fully detaches. Be careful not to exert
excessive force, as this could damage
the drip tray or unit.
•Once the steam drip tank has been
removed from the unit, carefully tip it
forward to dispose of its contents, then
place it back onto its slot at the bottom
of the unit until it slides into place. Take

secured into place before attempting to
use the unit for air frying.
STORING YOUR APPLIANCE
•Ensure that the appliance is cool, clean
and dry before storing.
•Store the appliance in a cool and dry
place.

19
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
The air fryer
does not work. The appliance is not plugged in. Plug the appliance into an earthed wall socket.
The key has not been
touched. Touch the key.
The drawer is open and the
selected function is paused.
Close the drawer to automatically
resume the selected function.
The drawer
will not slide
inside the unit
properly.
There is too much food in the
drawer. 
The drawer is not correctly
placed inside the unit correctly.
Ensure the drawer is correctly

the compartment.
Fried snacks
are not crispy
when they
come out of
the fryer.
Wrong type of snacks used.
Use oven snacks or lightly brush
some oil onto the snacks for a
crispier result.
Food stuck together or not in an
even layer.
Shake or turn the food
periodically through the cooking
process.
The fried
ingredients are
not done.
Too much food has been added
to the air fryer.
Put smaller batches of
ingredients in the air fryer.
Smaller batches are fried more
evenly.
The set temperature is too low. Set to an appropriate
temperature.
The cooking time is too short. Set an appropriate cooking time.
Fresh fries are
fried unevenly
in the air fryer.
Wrong type of potatoes used. Use fresh potatoes and make

The potato sticks were not
rinsed adequately before frying
Rinse the potato sticks properly
to remove the starch from the
outside.
Fresh fries
are not crispy
when they
come out of
the air fryer.
The crispiness of the fries
depends on the amount of oil
and water in them.
Make sure you dry the potato
sticks properly before you add
the oil.
Cut the potato sticks smaller for a
crispier result.
Add slightly more oil for a crispier
result.
TROUBLESHOOTING

20
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
The appliance
is smoking. The ingredients have a high oil
content.
Smoking will be normal.
Follow the suggested settings
or food manufacturer’s
recommendations.
The appliance contains grease
from previous use.
White smoke is caused by grease
heating up inside the fryer.
Clean the appliance properly
after each use.
The food is
burned
The food was before pre-
heating was complete.
Add food to the appliance once
pre-heating is completed.
The food was cooked for too
long.
Check on the progress of the
food periodically through the
cooking process.
The food was left in the
appliance after the cooking
time had expired.
Remove the food from the
appliance as soon as the cooking
time has elapsed.
Water is
leaking from
the water tank.
The water tank valve is not

Turn the water tank valve
clockwise to tighten it and secure
it into place.
The water tank is damaged. Contact the Customer Service
department.
Ingredients
are not cooked
enough
when using
the Steam
function.
There is too much food in the
drawer or the food pieces are
too big.
Put less food into the drawer or
cut the ingredients into smaller
pieces.
The food did not cook for long
enough.
Set a longer cooking cycle, as
detailed in the corresponding
section of this instruction
manual.
The steam generator is dirty.
Use the Steam Clean function
to clean the steam generator, as
detailed in the corresponding
section of this instruction
manual. If required, add in a
cleaning solution made up of
10g citric acid for every 1 litre of
water.