Fuses - WEMPE 20097 Operating Instructions Manual

WEMPE digital main clock 20097
Design and function

1.1.4 Fuses

Main fuse ("MAINS") medium blow 1,0 A (DIN 41571; 5x20 mm)
The main fuse protects the internal processor circuit, the oscillator and the accumulator
charge circuit.
In case of a failure of the main fuse, the main clock switches over to the internal accumulator
power supply. The display shows the error symbol "E" ( see also "troubleshooting").
Secondary clocks fuse ("SLAVE") medium blow 2,5 A (DIN 41571; 5x20 mm)
The secondary clocks fuse protects the external power supply circuit of the digital secondary
clocks, the data outputs of all standard and extension cards as well as the internal interface
and the power supply circuit of the display illumination.
In case of a failure of the secondary clocks fuse, the power supply of the secondary clocks is
interrupted and they stop running. The display shows the error symbol "E" ( see also
"troubleshooting").
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V3.0 01/2011