13 Malfunctions
75
Incident
Possible causes
What you can do
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.
179
a) The vacuum pump motor protection switch
has tripped.
a) Set the reset button as follows:
1. Press the motor protection switch reset
button on the vacuum pump behind the
cover or behind the service hatch on the
right-hand side below.
2. Acknowledge the malfunction message.
3. Switch off the steam sterilizer and then on
again. Then the steam sterilizer is ready for
operation.
b) The vacuum pump has suffered a
blockage e.g. following long shutdown
periods.
b) A vacuum pump can be unblocked in the
following fashion:
1. Acknowledge the malfunction message.
2. Switch off the steam sterilizer and
disconnect the power cable.
3. Remove the round plastic cover on the
right-hand fore underside.
4. Insert a c. 8 mm wide slotted screwdriver
with a min. 13 cm shaft length into the
opening to its fullest extent (until the screw
driver takes purchase) and turn it in both
directions to resolve the blockage of the
vacuum pump. Repeat until the screw driver
can be turned easily.
5. Remove the screw driver.
6. If necessary, press the motor protection
switch reset button behind the cover or
behind the service hatch on the right-hand
side below.
7. Connect the power plug and activate the
device. 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.
