Miele G 7893 Manual

							Baskets and inserts
Baskets and inserts should be checked
daily to make sure they are functioning
correctly. The washer-disinfector is
supplied with a check list.
The following need to be inspected:
–Check that rollers on baskets/inserts
are free of hindrance and that they
are secure.
–Check that the basket connector is at
the correct height and screwed on
correctly.
– Check that jets, sleeves and hose
adapters are securely held in
position in baskets/inserts.
– Check that washing solution can flow
unhindered through all jets, sleeves
and hose adapters.
– Make sure caps and closures on
sleeves are correctly located.
– Check that the locking caps in the
module connectors of modular
system mobile units are working
properly.
and where applicable:
–
Make sure that the spray arms rotate
freely.
–
Make sure the spray arm jets are free
of any blockages. See "Cleaning the
spray arms".
Maintenance
51 
						

							Drying unit (TA) - Maintenance
To change the filter
The filter must be changed ifSF2starts
to flash in the display.
To ensure the machine operates
correctly, useoriginal Miele HEPA
filtersonly (classification 12).
^Open the service panel.^Remove the filter from its holder, and
replace with a new one.
^Close the service panel.
Reset the filter operating hours
counter after changing the filter.
See "Programmable functions" for
how to do this.
Maintenance
52 
						

							The following guide may help to find the reason for a fault and to correct it. You
should, however, note the following:
,Repairs should only be carried out by a Miele authorised and trained ser
-
vice technician in strict accordance with current local and national safety
regulations. Unauthorised or incorrect repairs could cause personal injury or
damage to the machine.
To avoid unnecessary service call-outs, check that the fault has not been caused
by incorrect operation.
To do this:
^Turn the programme selector tof(the fault code goes out).
^Switch the machine off with theI-0switch.
^Switch the machine on again and reselect the programme.
^If the problem occurs again and cannot be remedied, please contact the Miele
Customer Contact Centre.
^Quote the fault code "F...".
Fault Possible cause Remedy
The machine does not
start.The door is not properly
closed.Close the door firmly.
The machine is not
plugged in.Switch on at the mains.
The fuses are defective or
have tripped.Reset the fuses.
(Minimum fuse rating: see
data plate).
The machine is not
switched on.Press theI-0switch and
select a programme.
The machine does not
work.Fault codeF04-F17,
F20-F26,F28-F--Call the Miele Customer
Contact Centre.
Fault codeF31-33There is a fault with the
controls for the dispensing
system.
Call the Miele Customer
Contact Centre.
Problem solving guide
53 
						

							Fault Possible cause Remedy
The8DOS indicator
starts flashing before
the start of a
programme. The
programme cannot be
started.Before trying to rectify the
problem, you must:
–Turn the programme
selector tof(the fault
code goes out).
–Switch the machine off
with theI-0switch.
Fault codeFdo:
The container for liquid
cleaning agent is empty.Fill the container with liquid
cleaning agent or replace
it with a new, full container.
Then:
– Switch the machine on.
– Start the programme
again.
A few minutes after the
start of a programme,
the8DOS indicator
flashes and the
programme is
cancelled.Before trying to rectify the
problem, you must:
– Turn the programme
selector tof(the fault
code goes out).
– Switch the machine off
with theI-0switch.
Fault codeFdo:
Fault with the system for
dispensing liquid cleaning
agent.Fill the container with liquid
cleaning agent or replace
it with a new, full container.
Vent the dispensing
system; see
"Programmable functions".
Then:
–
Switch the machine on.
–
Start the programme
again.
Problem solving guide
54 
						

							Fault Possible cause Remedy
Thewindicator starts
flashing before the
start of a programme.
The programme cannot
be started.Before trying to rectify the
problem, you must:
–Turn the programme
selector tof(the fault
code goes out).
–Switch the machine off
with theI-0switch.
Fault codeFdo:
The neutralising agent
container is empty.Fill the container with
neutralising agent or
replace it with a new, full
container.
Then:
– Switch the machine on.
– Start the programme
again.
A few minutes after the
start of a programme,
thewindicator flashes
and the programme is
cancelled.Before trying to rectify the
problem, you must:
– Turn the programme
selector tof(the fault
code goes out).
– Switch the machine off
with theI-0switch.
Fault codeFdo:
Fault with the system for
dispensing neutralising
agent.Fill the container with
neutralising agent or
replace it with a new, full
container.
Vent the dispensing
system; see
"Programmable functions".
Then:
–
Switch the machine on.
–
Start the programme
again.
Problem solving guide
55 
						

							Fault Possible cause Remedy
The Add salt indicator
lightkflashes.The salt reservoir has not
been replenished, meaning
that the water softener
could not be reactivated.Fill carefully with salt.
A few minutes after the
start of a programme,
thep/6indicator
flashes and the
programme is
cancelled.Before trying to rectify the
problem, you must:
–Turn the programme
selector tof(the fault
code goes out).
–Switch the machine off
with theI-0switch.
Fault codeF..E:
There is a water inlet fault.–Open the stopcock.
– Clean the water inlet
filter; see "Other
problems".
– The water pressure at
the intake is too low. Ask
a plumber for advice.
Then:
– Switch the machine on.
– Start the programme
again.
Problem solving guide
56 
						

							Fault Possible cause Remedy
The programme is
cancelled and the
p/6indicator
flashes.Before trying to rectify the
problem, you must:
–Turn the programme
selector tof(the fault
code goes out).
–Switch the machine off
with theI-0switch.
Fault codeF..A:
There is a water drainage
fault.–Clean the filters in the
wash cabinet.
–Clean the drain pump.
–Clean the non-return
valve.
– Remove any kinks and
straighten the drain
hose.
Then:
– Switch the machine on.
– Drain the water.
– Start the programme
again.
Water in the wash
cabinet is not heated;
the programme lasts
too long.Fault codeF01 - F03,F18,
F19, F27
This machine has a
resettable heater limiter
which will switch off the
heating elements if they
over-heat. This could be
caused, for example, by
large articles covering the
heating elements or if the
filters in the wash cabinet
are blocked.To rectify the problem:
– Clean the filters in the
wash cabinet.
–
Rearrange the load.
–
Reset the thermal
cut-out (see "Other
problems, Thermal
cut-out").
Problem solving guide
57 
						

							Fault Possible cause Remedy
Cleaning agent residue
is left in the dispenser
for powder cleaning
agent at the end of a
programme.The dispenser for powder
cleaning agent was still
damp when it was filled.Make sure the dispenser
is dry before adding
cleaning agent.
An item was blocking the
lid of the powder cleaning
agent dispenser.Arrange the items so that
the lid can open.
The powder cleaning
agent dispenser lid
cannot be closed
properly.Clogged detergent residue
is blocking the catch.Remove the residue.
Knocking noise in the
wash cabinet.A spray arm is knocking
against an item.Cancel the programme
and rearrange the load;
see "Cancelling a
programme".
Rattling noise in the
wash cabinet.Items are insecure in the
wash cabinet.Cancel the programme
and rearrange the load;
see "Cancelling a
programme".
Knocking noise in the
water pipes.This may be caused by the
on-site installation or the
cross-section of the piping.This has no influence on
the functioning of the
washer-disinfector. If in
doubt, contact a suitably
qualified plumber.
Problem solving guide
58 
						

							Fault Possible cause Remedy
Glass utensils are
cloudy and etched.The items are not suitable
for machine processing.Only clean instruments that
are suitable for machine
processing in the machine.
Neutralisation has not
been carried out during
the programme cycle.Fill the neutralising agent
container.
The damage to glassware
was caused by too high a
wash temperature.Select a suitable
programme, or lower the
wash temperature.
The damage to glassware
was caused by a cleaning
agent that is too alkaline.Use a milder cleaning
agent, or lower the DOS1
concentration.
Stainless steel utensils
are corroded.The chloride content of the
water is too high.Have the water analysed. If
necessary, connect the
machine to an external
water softener unit and use
deionised water.
The salt reservoir cap has
not been screwed on
correctly.Replace it making sure it
screws back on correctly.
Neutralisation has not
been carried out during
the programme cycle.Fill the neutralising agent
container.
Rust has entered the wash
cabinet due to:
–
the iron content of the
water being too high,
–
rusty instruments being
cleaned in the machine.–
Check the water supply.
–
Dispose of any rusty
instruments.
The stainless steel is not a
good enough quality to be
processed by machine.Only use utensils made of
high quality stainless steel.
Problem solving guide
59 
						

							Fault Possible cause Remedy
White residues and/or
flecks are visible on
items.The water softener is
programmed to a setting
which is too low.Check the water hardness
level of the water supply
and programme the water
softener correctly.
Water entering the
machine through the AD
water connection is not
soft enough.Change the resin in the
aqua purificator.
The salt reservoir is empty. Fill carefully with salt.
The salt reservoir cap has
not been screwed on
correctly.Replace it making sure it
screws back on correctly.
The rinsing agent reservoir
is empty.Adding rinsing agent.
The rinsing agent dosage
has been set too low,
causing water marks.Increase the rinsing agent
dosage setting.
The quality of the rinsing
water was not good
enough.– Use water with a lower
conductivity level.
– If the washer disinfecter
is connected to a
cartridge for
demineralised water,
check its condition and
exchange it if
necessary.
Problem solving guide
60