12 System malfunctions
57
Event Possible causes What you can do
Feed water quality bad /
Replace cartridge/
module
The conductivity of the feed water is too
high.
Conductivity ≥40µS/cm
Start through repeated pressing of the 'S' key
still possible.
When using the feed water container:
-- Empty the feed water container, clean, rinse
with fresh feed water and fill completely with
feed water of the appropriate quality, see Feed
water supply [}page23].
When using a MELAG water treatment unit:
The mixed-bed resin is exhausted. MELAdem 40:
Replace the mixed-bed resin (art.
no.ME61026), see the user manual of the
MELAdem40 water treatment unit.
The mixed-bed resin in the ion
exchanger (3rd cartridge) is exhausted.
MELAdem 47:
Replace the mixed-bed resin (art.
no.ME37470), see the user manual of the
MELAdem 47 water treatment unit and check
the treatment unit.
Following repeated incidence, arrange for
maintenance to be performed by the authorised
customer services / stockist technician. The pre-
filter and activated carbon filter may require
changing.
When using a different water treatment unit:
The mixed-bed resin in the reverse
osmosis unit is exhausted.
Replace the module / resin cartridge in
accordance with the manufacturer's user
manual. Maintenance is required following
repeated incidence.
PLEASE NOTE: Perform a program start after
completing the work outlined above. This
warning can be issued upon the initial start after
maintenance of the water treatment unit, as the
inlet hose / the measurement cell have not been
completely rinsed with fresh water.
Feed water quality
insufficient / Start not
possible
Feed water conductivity too high.
Conductivity ≥ 65 µS/cm
Start no longer possible.
See event: Feed water quality bad / Replace
cartridge/module.
Please wait / Preheating
chamber
This message appears during the
program start phase. The steam sterilizer
has not yet reached the starting
temperature.
The steam sterilizer starts automatically after the
starting temperature has been reached.
Output medium is not
ready
The steam sterilizer is operating without
an output medium, but one has been
registered.
Working in theLog output menu, set the
optionNo output medium.
The output medium has not been
connected properly.
Check that the data cable has been connected
to the steam sterilizer and output medium
correctly.
The electricity supply to the printer has
been interrupted.
Make sure that the power supply is connected.
The red LED “P” on the MELAprint42/44 log
printer must illuminate red.
The printer is offline. Set the printer online (press the 'SEL' key on
MELAprint 42/44, the “SEL” LED must illuminate
green).