Accessories; Recovering Short Fault Of A Detector Line - Siemens FC361 Series Technical Manual

12.3 Accessories

12.4 Recovering short fault of a detector line

A6V10421795_en--_k
Description
DC 24 V too low
Outputs from output
card (4M) indicates a
fault
EVAC fault
Key switch does not
work
LED indication
module does not work
Contact your service provider if you cannot eliminate a fault.
 A short fault message is displayed.
1. Restart ↑ detector line. See chapter 'Restart [➙ 90]'.
2. Read the information event to find the two devices with open isolators. See
chapter 'System status [➙ 72]'.
3. Go to the fault location to eliminate it.
4. Restart the detector line.
 Short fault message and isolator open information message disappear.
Cause/Action
Check voltage input '24V' on the output card FCA3602-
Z1.
Check the cable connection and output line.
Check the cable connection. Replace the device if the
fault still appears.
Check the cable connection. Replace the device if still not
working.
Check the cable connection. Replace the device if still not
working.
Troubleshooting
12
Accessories
125 | 151