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- Wed Jun 12, 2019 5:46 pm
- Forum: Fire Alarm General Discussion
- Topic: Siemens Pyrotronics smb-2 ground fault
- Replies: 3
- Views: 666
Hello, We have Siemens Pyrotronics fire alarm system. Everything works fine but Ground Fault light stays on. Upon troubleshooting it was determined that main board smb-2 has ground fault. There are many companies online selling working smb-2 boards. Can another working board be swapped to our system...