13 Malfunctions
69
Incident Possible causes What you can do
75 When using the internal storage tank:
a) Insufficient feed water in the right-hand
chamber of the internal storage tank.
b) The float switch of the right-hand chamber
of the internal storage tank (feed water) is
stuck.
a) Check the water level of the feed water in
the right-hand chamber of the internal
storage tank and refill with feed water if
necessary.
b) Check the float switch as follows:
1. Remove the tank lid from the storage tank.
2. Remove the filling funnel if present.
3. Move the float in the right-hand chamber
of the storage tank (feed water side from
below in the tank) up and down repeatedly to
restore its free-movement.
When using a MELAG water treatment unit:
c) The water supply is set to “INTERNAL"
despite external water supply.
When using a MELAG water treatment unit:
c) Set the feed water supply in the “Settings”
menu (function) to "EXTERNAL” (see Water
supply [}page 52]).
76 a) The Quick-Program B and S are mainly
used. These programs do not do not have
automatic rinsing.
With connection to the building waste water
outflow:
The waste water cannot flow off. A rinse
must be performed after a further 2 or 3
program runs.
b) The waste water hose is kinked or
installed sagging.
c) The siphon or the building-side waste
water line is blocked.
a) Start another program e.g. the Universal-
Program, Gentle-Program or Prion-Program
to perform the necessary rinsing.
With connection to the building waste water
outflow:
b) Check the installation of the waste water
hose. This must be installed without kinking
or sagging and at a constant decline.
c) Check whether the building siphon is
blocked. Please note: If multiple devices are
operated simultaneously, we recommend the
installation of an additional siphon.
78 a) The left-hand chamber of the internal
storage tank (waste water) is full or was only
incompletely emptied.
b) If the notification is displayed despite an
empty tank, the float switch is blocked.
a) Empty the left-hand chamber of the
storage tank (waste water).
b) Check the float switch as follows:
1. Remove the tank lid from the storage tank.
2. Remove the filling funnel if present.
3. Move the float in the left-hand chamber of
the storage tank (feed water side from below
in the tank) up and down repeatedly to
restore its free-movement.
80 see event 78
81 a) The door was not pushed closed for long
enough with sufficient force; as a result, the
thread has become caught.
b)The door spindle and/or the door lock nut
were not oiled regularly and are dry.
a) Close and hold the door with force for c. 3
seconds until the spindle engages in the
door lock and the door is pulled in
automatically. A motor sound is audible.
b) Lubricate the door spindle and the door
lock nut regularly with the oil included in the
scope of delivery (see Oiling the door spindle
[}page 61]).
82 a) There are objects in the door area.
b) A residual vacuum is present in the
sterilization chamber. The pressure
equalization has not been concluded.
c) The door seal sticks to the seal face of the
sterilization chamber.
a) Always keep the area in front of the door
free so that it can open unhindered.
b) 1. Wait two minutes and then confirm the
notification with OK.
2. Should the door not open independently,
switch off the steam sterilizer, wait five
minutes and then switch it back on. Try again
to open the door.
If the door does not open, inform the
authorized customer services/stockist
technician.
c) If the door could be opened, clean the
door seal and the seal face in the sterilization
chamber (see Cleaning [}page 59]).
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