Bosch OptiMUM Series, Instruction Manual

Page: 37 / 178

37
en Troubleshooting
Troubleshooting
In the following tables, you will find solutions for problems or faults which you can easily
rectify yourself. If a fault cannot be eliminated, please contact customer service.
Problem Possible cause Remedy
Nothing shown on
display. Illuminated
ring is off.
Appliance cannot be
switched on.
Appliance has no
power supply.
■ Check the power supply.
■ Plug the mains plug into the mains.
Appliance does not
start.
The illuminated ring
lights up.
A safety system was
activated.
X “Safety systems” see page 36
Appliance switches off
during use.
Too much food has
been processed
either at the same
time or for too long a
period.
■ Turn the rotary switch to
y
. Disconnect
the mains plug.
■ Reduce the processing quantity.
■ Allow the appliance to cool down to room
temperature.
Swivel arm was
opened.
■ Turn the rotary switch to
y
.
■ Press the release button and push the
swivel arm down until it locks into place.
Bowl or bevel gear
(accessory) has
become loose.
■ Turn the rotary switch to
y
. Disconnect
the mains plug.
■ Tighten the bowl by turning until the stop.
■ Tighten the bevel gear and close the
locking lever completely.
The swivel arm cannot
be opened.
An accessory is fitted
to the red rear drive.
■ Remove accessory.
■ Press the release button and open
the swivel arm.
Display Possible cause Remedy
ERROR
OVERLOAD
Too much food has
been processed either
at the same time or for
too long a period.
■ Turn the rotary switch to
y
. Disconnect
the mains plug.
■ Reduce the processing quantity.
■ Allow the appliance to cool down to
room temperature.
The appliance or one
of the accessories is
blocked.
■ Turn the rotary switch to
y
. Disconnect
the mains plug.
■ Check appliance/accessories and
rectify the blockage.