9 Malfunctions
18
9 Malfunctions
General events
Incident
Possible cause
What you can do
The temperature display of
the thermometer deviates
by more than 8 °C than set
on the controller.
The control button has
been maladjusted.
Increase or reduce the temperature by turning
the temperature controller:
Higher temperature:
anti-clockwise
Lower temperature:
clockwise
The device does not switch
off. The indicator lamp
“network” and “heating”
illuminate.
The timer is defective or
is set to continuous
operation.
Check that the "On/Off switch" is set to "I" or "0".
If the timer is defective, inform an authorized
customer services.
The device can be operated provisionally on a
semi-automatic basis by actuating the "On/Off
switch" manually.
The temperature displayed
deviates from the set
temperature. The
thermometer displays less
than 180 °C or falls from
180 °C to c. 150 °C within c.
5 min. and continues to fall.
Under circumstances, there
is no audible ventilator
noise.
The temperature has
been set too low.
The temperature
controller rotary knob was
unintentionally turned or
mal-adjusted during
unpacking or incorrect
handling e.g. during
cleaning.
Set a higher temperature.
The temperature controller must be readjusted
by a service technician. Inform an authorized
customer services.
Provisionally, turn the temperature controller so
that the desired temperature is displayed on the
device thermometer.
The device is too hot (over
180 °C).
The temperature fluctuates
between 210-240 °C. The
indicator lamp network is
illuminated. The indicator
lamp heating is
continuously off or on/off
every 20 seconds.
The “Temperature
controller” has been set
incorrectly or is defective.
Set the temperature controller to e.g. 180 °C
and check whether this temperature has been
reached / is displayed on the thermometer (note
the heating and equilibration time).
Should values deviate, the rotary knob must be
readjusted. Task an authorized customer
services.
If the thermostat is defective, inform an
authorized customer services.
Provisionally, turn the "temperature control"
rotary knob so that the desired temperature is
displayed on the device thermometer.
Summary of Contents for Sterilizer 75
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