Replacing The Thermal Fuse - Bosch TCA640 Series Repair Instruction

6.4

Replacing the thermal fuse

The thermal fuse (STB) is a safety element which is
used to prevent damage caused by the heater
overheating. To ensure correct function, it is essential to
install the thermal fuse properly.
►
Whenever the appliance is repaired, check as
a precaution that the thermal fuse is in perfect
condition and is correctly installed!
6.4.1 Checking an installed thermal fuse:
The following points must be checked:
►
Position and attachment of the Teflon hose (must be firmly
anchored)
►
Position of the thermal fuse (centred under installation
bracket)
►
Quality of the cable connections
►
Bend correct
►
Installation bracket is firmly attached
6.4.2 Component
The thermal fuse is supplied as a pre-assembled component.
(Wire colour and type may deviate in reality).
58300000120060_ARA_en_c.doc – 18.09.09
6.4.3 Installation location
1 Screw with circlip
2 Installation bracket
3 Heater
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