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Fault Indication
When the fault indication lists all addressable components, please check the following:
• Check setting of rotary switch at indication- / control module in smoke detection
panel. The adjusted no. determines the no. of called slaves.
• Check fuses F3/F4 on power supply module (fuses for bus signal A and B to
master).
• If fault indication is still present, a fault in bus-cabling could prevent complete data
exchange between all components. To locate this fault, please disconnect all bus-
cables in the smoke detection panel. As a result, the fault indication for "Device-1-
" should disappear, because this component ( detector interface module in smoke
detection panel ) is connected internally to the master.
• Reconnect "Device-2-". Let all other components be disconnected. Now the fault
indication for "Device-2-" should disappear. However if again all connected
components are indicated as faulty, the wiring to "Device-2-" is not correct or the
component itself is defective.
• Reconnect all remaining components accordingly one by one.
Note:
• For setting of rotary switches please also refer to drawing nos. SDS01.100.80 -
SDS01.100.88.
• Changing of rotary switches will not be valid before power down and restart of the
smoke detection system.
Fault Finding Instructions SDS26
"FAULT: Data Transfer Device -1-2-3- ... "
( all connected components are indicated as faulty )
16.06.09
safetec
Seite 8 von 13
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