What could cause a dirty smoke report not to send to central station?
The dirty smoke report will only send on an analog fire panel when the contaminated time value is set other than 00:00 and you use a D9068 DACT Dialler. However, the report it generates is a generic "Analog Service Report". It will not indicate which point is dirty. The only way to find out which smoke is dirty is by checking the display at the panel. It will display "Contaminated Device Loop X at Address XXX".