13 Malfunctions
72
Incident Possible causes What you can do
136 a) The surrounding temperature of the steam
sterilizer is too hot.
b) The ventilation slots in the side walls are
clogged/blocked.
c) The steam sterilizer is installed. The
minimum clearance to the surrounding
surfaces has not been maintained.
d) The door was left open after loading or
unloading and hot steam has escaped from
the sterilization chamber.
Switch off the steam sterilizer and allow it to
cool for c. 1 hour.
a) Comply with the requirements at the
installation location and the maximum
ambient temperature (see technical manual).
b) Clean the ventilation slots and remove any
objects covering them.
c) Maintain a minimum clearance to the
surrounding surfaces (see information in the
technical manual).
d) Always close the door after loading or
unloading.
175 The overheat control switch of the main
heating has tripped. This notification may be
issued in alternation with “E176: ACOUT 02
open".
1. Switch off the steam sterilizer and press
the reset button overheat control on the fore
side of the steam sterilizer at the bottom
right-hand side (behind the cover) back in.
2. Acknowledge the malfunction message.
3. Switch off the steam sterilizer and back on
again and then perform an empty sterilization
run if necessary. Then the steam sterilizer is
ready for operation.
176 The overheat control switch of the main
heating has tripped. This notification may be
issued in alternation with “E175: ACOUT 01
open".
1. Switch off the steam sterilizer and press
the reset button overheat control on the fore
side of the steam sterilizer at the bottom
right-hand side (behind the cover) back in.
2. Acknowledge the malfunction message.
3. Switch off the steam sterilizer and back on
again and then perform an empty sterilization
run if necessary. Then the steam sterilizer is
ready for operation.
182 The mains voltage is too low, poor building
voltage supply (e.g. undersized installation,
defective socket, multiple devices on a single
socket/fuse).
Arrange for an inspection of the building-side
installation (e.g. automatic circuit breaker)
and test the steam sterilizer at another
socket or on another circuit.
183 see event 124
185 see event 110
186 see event 110
187 a) The chamber filter “Pressure release” is
blocked.
a) Remove the "Pressure release” chamber
filter (in the rear area of the sterilization
chamber below) and check whether it is e.g.
soiled/blocked by packaging. If necessary,
clean the chamber filter.
With connection to the building waste water
outflow:
The waste water cannot flow off.
b) The waste water hose is kinked or
installed sagging.
c) The siphon or the building-side waste
water line is blocked.
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.
192 When using the internal storage tank:
a) The right-hand chamber of the internal
storage tank (feed water) must be sufficiently
filled with feed water for the pending rinsing
process.
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.
When using a MELAG water treatment unit:
b) The pending feed water procedure
requires sufficient supply with feed water.
b) Check whether the water inflow tap for the
water treatment unit is open. When using a
MELAdem 47, check whether the tap on the
pressure tank is open.
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