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8. Safety devices.
Expobar 600AD
A) Thermal overload protection
In order to eliminate the risk of fire the motor is equipped with an overheat protection device which
will cutoff the motor’s power supply should it reach a high temperature.
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In the event that the thermal protection is tripped as a result of malfunction (e.g.: jammed
blades, worn out bearings, foreign object in grinding chamber, etc.) the appliance main switch
should be turned off immediately and the main power plug must be disconnected. For further
handling of the device contact your local service provider, and allow the appliance to cool down
before any further maintenance.
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In the event that the thermal protection is tripped as a result of a long continuous operation
(read section 5, for operating intervals) allow the appliance to cool down and reset the thermal
cutoff protection by unplugging the main cable from the socket. On the first operation after
resetting a tripped overheat protection device observe the grinding quality and noise level, and
if there are any irregularities shut down the appliance and call a certified technician for a
complete analysis of the appliance.
B) Grinding chamber safety screws
The grinding chamber can be a hazardous area if the proper precautions aren’t observed.
The hopper safety screw (fig4.1) and the grinding dial safety screw (fig7.2) should never be removed
during normal operation of the appliance unless the appliance is disconnected from the power
source.
C) Coffee outlet guard
The coffee outlet guard (fig8.1) must always be fixed to the doser. On normal operation never
remove the coffee outlet guard (unless when cleaning the doser, please refer to Chapter 11
Cleaning).
Fig. 8.1
