Miele PG 8080i User manual

Operating Instructions
Commercial Dishwasher
PG 8080i
 To prevent accidents and machine damage,
read these instructions before installation or use.
en - US
M.-Nr. 09 501 392

2

Contents
3
Guide to the manual .............................................................................................. 6
Proper use.............................................................................................................. 7
Important safety instructions ............................................................................... 8
Product description............................................................................................. 14
Machine overview.................................................................................................. 14
Control panel......................................................................................................... 15
Caring for the environment ................................................................................ 16
Energy-saving washing ......................................................................................... 17
Commissioning.................................................................................................... 18
Opening the door .................................................................................................. 18
Closing the door.................................................................................................... 18
Child safety lock.................................................................................................... 18
Display functions................................................................................................... 19
Standard settings .................................................................................................. 20
Before using the machine for the first time, you will need: ................................... 21
Filling the salt compartment.................................................................................. 21
Salt indicator ......................................................................................................... 23
Rinse aid................................................................................................................ 23
Adding rinse aid .................................................................................................... 24
Rinse aid indicator................................................................................................. 24
Loading the dishwasher...................................................................................... 25
Preparing the load ................................................................................................. 25
Tips........................................................................................................................ 25
Typical load for 10 place settings with cutlery basket .......................................... 27
Typical load for 13 place settings with cutlery basket .......................................... 28
Upper basket......................................................................................................... 29
Hinged spikes...................................................................................................29
Cup rack........................................................................................................... 29
XXL cup rack .................................................................................................... 30
Glass rail........................................................................................................... 30
Adjusting the height of the glass rail: ............................................................... 30
Adjusting the upper basket .............................................................................. 31
Lower basket......................................................................................................... 32
Glass rack......................................................................................................... 33
Hinged spikes...................................................................................................33
Cutlery basket ....................................................................................................... 34
Cutlery insert for the cutlery basket ...................................................................... 34
Optional accessories .......................................................................................... 35

Contents
4
Operation.............................................................................................................. 36
Detergent............................................................................................................... 36
Adding detergent................................................................................................... 37
Switching on the appliance ................................................................................... 38
Selecting a program .............................................................................................. 38
Starting a program ................................................................................................ 38
Time display .......................................................................................................... 39
Standby ................................................................................................................. 39
End of program...................................................................................................... 40
Switching off.......................................................................................................... 40
Unloading the dishwasher..................................................................................... 40
Interrupting a program........................................................................................... 41
Changing a program.............................................................................................. 41
Additional functions ............................................................................................ 42
Additional drying ................................................................................................... 42
Delay Start............................................................................................................. 42
Program chart...................................................................................................... 44
Settings menu...................................................................................................... 46
Settings menu for changing standard settings ..................................................... 46
Open the Settings menu ....................................................................................... 46
Language ........................................................................................................... 46
Water hardness ..................................................................................................... 47
Rinse aid................................................................................................................ 48
AutoOpen .............................................................................................................. 48
Optimize Standby.................................................................................................. 49
Refill indicators...................................................................................................... 50
Brightness ............................................................................................................. 50
Contrast................................................................................................................. 50
Filter check............................................................................................................ 50
Detergent quantity................................................................................................. 51
Venting DOS .......................................................................................................... 51
High-temperature final rinse.................................................................................. 52
Water plus ............................................................................................................. 52
Program selection ................................................................................................. 52
Showroom program............................................................................................... 52
Factory default setting........................................................................................... 53
To close the Settings menu ................................................................................... 53
Cleaning and care ............................................................................................... 54
Maintenance.......................................................................................................... 54
Cleaning the wash chamber.................................................................................. 54

Contents
5
Cleaning the door and the door seal..................................................................... 55
Cleaning the front of the dishwasher .................................................................... 55
Filter system .......................................................................................................... 56
Cleaning the filters................................................................................................. 56
Cleaning the spray arms........................................................................................ 58
Frequently asked questions ............................................................................... 59
Technical problems ............................................................................................... 59
Faults with water intake or drainage...................................................................... 61
General problems with the dishwasher ................................................................. 62
Noises.................................................................................................................... 64
Poor cleaning results............................................................................................. 65
Frequently asked questions ............................................................................... 67
Cleaning the water intake...................................................................................... 67
Recommendation .................................................................................................. 67
To clean the filter: .................................................................................................. 67
Cleaning the drain pump and non-return valve..................................................... 68
Miele Service ....................................................................................................... 69
PC Update............................................................................................................. 69
Electrical connection .......................................................................................... 70
Plumbing .............................................................................................................. 72
The Miele WaterProof System ............................................................................... 72
Water intake .......................................................................................................... 72
Connection to the drainage system ...................................................................... 74
Technical details.................................................................................................. 75
Sound emission tests.......................................................................................... 76
Setup for sound emission tests............................................................................. 76

Guide to the manual
6
Warnings
Information which is important for safety is highlighted
by a thickly framed box with a warning symbol. This alerts
you to a potential risk of personal injury or property
damage.
Read these warning notes carefully and follow any
procedural instructions and operating prompts.
Notices
Notes contain information that requires particular attention.
They are highlighted by a thickly framed box.
Additional information and comments
Additional information and comments are marked by a box
with thin line.
They are not necessarily critical to the operation of the
dishwasher.
Operating steps
Additional instructions on how to operate the dishwasher are
described step-by-step in a logical sequence.
Each new step is marked by a black square bullet point.
Example:
 Select the desired setting and press the center button to
confirm.
Display
In this manual, information that is shown in the dishwasher
display appears in a special font similar to the display text.
Example:
When the message End or AutoOpen appears in the
display ....

Proper use
7
This dishwasher complies with current safety requirements. Inappropriate use
can, however, lead to personal injury and damage to property.
To avoid the risk of accidents and damage to the dishwasher, please read these
instructions carefully before using it for the first time. They contain important
information on its safety, installation, use and maintenance. Keep these
instructions in a safe place and pass them on to any future owner.
Proper use
 This dishwasher with its short program running times and
powerful cleaning performance is intended for commercial use in
offices, lunch rooms, clubhouses, workshops, daycare centers,
schools, large kitchens and similar professional environments.
 This dishwasher is not intended for continuous use.
 This commercial dishwasher is not suitable for the cleaning of
medical products or devices.
 This appliance is designed exclusively for use as a "dishwasher"
for cleaning cookware, glassware and cutlery only, as described in
these instructions. Alterations or conversions to the dishwasher, or
using it for purposes other than those for which it is designed, are
not permitted and could be dangerous.
Miele cannot be held liable for damage caused by improper or
incorrect use or operation.
 This commercial dishwasher is intended only for stationary indoor
use.
 The special inserts are to be used for their specific purpose only.
 Persons who lack physical, sensory or mental abilities, or
experience with the appliance should not use it without supervision
or instruction by a responsible person.

Important safety instructions
8
Proper installation
 Do not install the commercial dishwasher in areas at risk of
explosion or freezing.
 To ensure the stability of undercounter commercial dishwashers,
they must only be installed beneath a continuous countertop that is
bolted to the adjacent cabinetry.
 In order to reduce the risk of damage from condensation, the
furniture in the area around the commercial dishwasher should be
designed for commercial use.
Technical safety
 The commercial dishwasher must only be installed,
commissioned, repaired and then maintained by the Miele Service
Department or an authorized Miele Service dealer. Installation, repair
and other work by unqualified persons could be dangerous and
Miele will not be held liable.
 This commercial dishwasher must only be operated by
appropriately trained personnel. They must be instructed and trained
regularly.
 Before using the commercial dishwasher, check it for any
externally visible damage. Under no circumstances should you use it
if it has been damaged. It could be dangerous.
 In the event of a damaged or leaking commercial dishwasher, turn
it off immediately and contact Miele or an authorized Miele Service
dealer.
 Faulty components may only be replaced by genuine Miele
original parts. Only when these parts are fitted can Miele guarantee
the safety standards of the appliance.

Important safety instructions
9
 The electrical safety of this commercial dishwasher can only be
guaranteed when it is connected to a correctly installed grounding
conductor system. If in any doubt, please have the electrical
installation tested by a qualified electrician. Miele cannot be held
liable for the consequences for the lack or interruption of a
grounding conductor (e.g. electric shock).
 Be sure to follow the installation instructions in this manual and in
the installation diagram.
 Ensure that the connection data on the data plate (voltage,
frequency, and fuse rating) match those of your electrical supply.
 There must be no electrical sockets behind the commercial
dishwasher since the depth of the installation niche may be too small
and there is a danger of overheating if the dishwasher is pushed up
against a plug (see the "Electrical connection" chapter for more
information).
 Do not connect the dishwasher to the electrical supply by a
multiple outlet box or an extension cable since they do not guarantee
the required safety of the appliance (e.g. danger of overheating).
 Do not open the commercial dishwasher casing under any
circumstances. Tampering with electrical connections or
components and mechanical parts is highly dangerous to the user
and can cause operational faults.
 The commercial dishwasher must not be used if the connecting
cable is damaged. If the cable is damaged, it must be replaced with
a special connecting cable available from Miele. For safety reasons,
this may only be performed by the Miele Service Department or an
authorized Miele Service dealer.
 Before maintenance, disconnect the commercial dishwasher from
the electrical supply.
 The plastic housing of the water connection contains electrical
components. It must not be dipped in water.

Important safety instructions
10
 There are live wires in the water intake hose. Do not shorten the
water intake hose, even if it is too long.
 The built-in waterproof system offers reliable protection against
water damage if the following conditions are met:
– proper installation
– proper maintenance of the dishwasher or exchange of parts in
case of visible damage
– closing of the water valve during longer absences (for example
vacation)
The waterproof system will work even if the dishwasher is turned off.
However, the commercial dishwasher must remain connected to the
electrical supply.

Important safety instructions
11
Correct use
 This commercial dishwasher is designed for operation with water
and detergents suitable for use in commercial dishwashers only.
Organic solvents and flammable liquid agents must not be used.
This could cause an explosion, property damage due to the
destruction of rubber or plastic, and the resulting leakage of liquids.
 Use detergents formulated for use in commercial dishwashers.
Using unsuitable detergents could damage the dishes and the
commercial dishwasher itself.
 Do not sit or lean on the opened door. This could cause the
commercial dishwasher to tip or become damaged.
 After any plumbing work on the water supply, to the dishwasher
will need to be vented. If this is not done, components can be
damaged.
 Please be aware that the dishwasher may be operating at high
temperatures. If the door is opened, there is a danger of burning or
scalding. Dishes, cutlery, baskets, and inserts must be allowed to
cool down before they are unloaded. Any water remaining in
containers could still be very hot. Empty them into the wash cabinet
before taking them out.
 The water in the wash cabinet is NOT safe to drink!
 The pretreatment of items (for example with dishwashing liquid
and other detergents), but also some types of soiling and some
detergents, can cause a build-up of foam in the wash cabinet. Foam
can have an adverse effect on the cleaning result.
 Foam escaping from the wash chamber can cause damage to the
dishwasher. If foam escapes, the program must be cancelled
immediately and the machine must be disconnected from the
electrical supply.

Important safety instructions
12
 When using detergents and specialized products, it is essential
that the manufacturer's instructions are followed. Detergents must
only be used for the purpose they are designed for and in the
situation specified, to avoid material damage and serious chemical
reactions (e.g. oxyhydrogen explosion).
 Do not inhale or ingest powder detergent. Dishwasher detergents
contain irritant or corrosive ingredients which can cause burning in
the nose, mouth and throat if swallowed, or inhibit breathing. Seek
medical attention immediately if detergent has been swallowed or
inhaled.
 Miele cannot be held liable for any effect chemical detergents may
have on the material of the items being cleaned. Observe the
detergent manufacturer's instructions with regard to storage
conditions, use, and dosage.
 To avoid material damage and corrosion, do not allow any acids
or solutions containing chloride to get into the wash cabinet.
Similarly avoid any materials with a corrosive effect.
 Do not wash items soiled with ash, sand, wax, lubricants, or paint
in the dishwasher. These substances could damage the dishwasher.
 Do not hose down the dishwasher or its direct vicinity to clean it,
e.g. with a water hose or high-pressure cleaner.
 Ensure that the stainless steel outer casing of the appliance does
not come into contact with solutions or steam containing acid to
avoid any corrosion damage.
 Be careful when sorting items with sharp pointed ends and
positioning them in the dishwasher so that you do not hurt yourself
or create a danger for others. Cutlery should be placed in baskets in
such a way that no injuries can occur.
 Remove any coarse food deposits from the items being cleaned
before loading them in the dishwasher.

Important safety instructions
13
Children in the vicinity
 Supervise children when they are anywhere near this dishwasher.
Do not let them play with it. There is a danger that children may lock
themselves in the dishwasher.
 Keep children away from chemical agents. These contain irritant
and corrosive ingredients which can cause burning in the mouth,
nose and throat if swallowed, or inhibit breathing. Keep children
away from the dishwasher when the door is open. There could still
be residual chemical agent in the cabinet. Seek medical advice
immediately if a child has swallowed or inhaled chemical agent.
Accessories
 Accessories may only be fitted if approved by Miele. If other parts
are used, any warranty and product liability claims shall be void.
Miele cannot be held liable for damage caused by failure to
comply with these safety instructions and warnings.
 SAVE THESE INSTRUCTIONS

Product description
14
Machine overview
aUpper spray arm (not visible)
bUpper basket
cMiddle spray arm
dAir intake for drying
eLower spray arm
fFilter combination
gData plate
hChild safety lock in the door handle
(not visible)
iRinse aid reservoir
jDual-compartment detergent
dispenser
kReservoir for reactivation salt

Product description
15
Control panel
aProgram selection
bDisplay
cStart/Start button with indicator light
dAdditional Programs  button with
indicator light
eDelay Start button  with indicator
light
fExtra Drying button + with
indicator light
gProgram Selection button 
hOn/Off button 

Caring for the environment
16
Disposal of the packing
material
The cardboard box and packing
materials protect the appliance during
shipping. They have been designed to
be biodegradable and recyclable.
Ensure that any plastic wrappings,
bags, etc. are disposed of safely and
kept out of the reach of children.
Danger of suffocation!
Disposal of your old appliance
Electrical and electronic appliances
contain valuable materials. They also
contain certain substances, compounds
and components which were essential
for the proper functioning and safe use
of the equipment. Handling these
materials improperly by disposing of
them in your household waste can be
harmful to your health and the
environment. Therefore, please do not
dispose of your old appliance with
regular household waste and follow
local regulations on proper disposal.
Consult with local authorities, dealers or
Miele in order to dispose of and recycle
electrical and electronic appliances.
Miele assumes no responsibility for
deleting any personal data left on the
appliance being disposed. Please
ensure that your old appliance is kept
away from children until removal.
Observe safety requirements for
appliances that may tip over or pose an
entrapment hazard.

Caring for the environment
17
Energy-saving washing
This dishwasher is exceptionally
economical in its use of water and
electricity. You can make the most of
your machine by following these tips:
You may connect the dishwasher to a
hot water supply. This is particularly
suitable with energy-saving water
heating sources such as solar energy
systems. If the hot water system is
electrically heated and if loads
consist primarily of glassware, we
recommend connecting the machine
to the cold water supply.
For most economical dishwashing,
make full use of the baskets without
overloading the dishwasher.
Choose a program that best suits the
degree of soiling and the type of
dishes being washed.
Select the Normal program for
energy-saving dishwashing. This
program is the most efficient in terms
of its combined energy and water
consumption at cleaning normally
soiled tableware.
Follow the detergent manufacturer's
recommendations on detergent
dosage.
When using powder detergent you
can use 1/3 less detergent if baskets
are only half full.

Commissioning
18
Opening the door
At the end of programs with a drying
phase (see "Program overview"), the
door will open automatically a little in
order to help the drying process.
This function can be deactivated if
preferred (see "Settings, AutoOpen").
To open the door, reach under the
recessed handle and pull.
If the door is opened during operation,
all functions are automatically
interrupted.
Keep the area around the door
free of obstructions.
Closing the door
Insert the baskets.
Then lift the door upwards and push
until it clicks into position.
Do not put your hand inside the
door as it is closing.
Risk of injury!
Child safety lock
Use the safety lock to prevent children
from opening the dishwasher door.
To lock the door, push the slide
underneath the door grip to the right.
To unlock the door, push the slide to
the left.

Commissioning
19
Display functions
General information
The following functions can be selected
or set with the display:
– The program
– The delay start time
– The settings
The following appears in the display
while a program is running:
– The program stage
– The estimated time left for the
program to run
– Any relevant fault messages and
information
To save energy, the dishwasher will
switch to Standby mode within a few
minutes if no program is running and
no button is pressed. After several
more minutes it switches off
completely (see "Operating the
dishwasher, Standby").
To turn the dishwasher back on, press
the  button.
Settings menu
The "Settings" menu is used to adapt
the electronic module of the dishwasher
to changing requirements.
You access the "Settings" menu by
pressing a specific combination of
buttons.
See the "Settings menu" chapter for
more information.
In the Settings menu, the normal
functions of the buttons underneath the
display are not active, allowing you to
select and confirm menu options with
these buttons.
The left and right arrows in the display
indicate that additional selections are
available. You can use the arrow
buttons underneath the display, as
appropriate, to select these further
options.
Use the center button underneath the
display to confirm messages or settings
and to switch to the next menu or
submenu.
A check  will appear beside the
option which is currently selected.

Commissioning
20
Standard settings
Switch the dishwasher on with the 
button.
If the dishwasher is being turned on for
the first time, the welcome screen will
appear.
Language
The display will change automatically to
the screen for setting the language.
See "Guide to the appliance, Display"
for more information about the display
and controls.
Select the desired language and
press the center button to confirm.
A check will appear next to the
language that has been set.
Water hardness
The display changes to the screen for
setting the water hardness.
– The dishwasher must be
programmed to match exactly the
hardness of your water.
– Your local water supplier can tell you
the water hardness level in your area.
– Where the water hardness fluctuates,
e.g. between 18 - 26 gr/gal (17-
25°d - German scale), always
program the dishwasher to the higher
value (26 gr/gal or 25°d in this
example).
It is useful to know your water hardness
so that you can provide the service
technician with this information in the
event of any service calls.
Enter the water hardness below:
____________ gr/gal (°d)
The dishwasher is programmed at the
factory for a water hardness level of
15°gr/gal (15 d - German scale).
Select the water hardness level for
your water supply and confirm with
the center button.
See "Settings menu, Water hardness"
for more information.
The following two messages Refill
rinse aid and  Refill salt may then
appear in the display.
Press any button to confirm them. The
display will change to show the main
menu.