Apollo Fire Detectors
Discovery ASD-1 Product Guide
www.apollo-fire.co.uk
23
9
Problem Solving
Problem
Possible Solutions
Power light flashing.
Ensure supply to BATTERY connector within limits.
No lights on display.
Fan not running.
Ensure supply leads correctly orientated. Ensure that BAT FUSE
correctly seated in socket and fuse not blown.
No lights on display.
Fan running OK.
Ensure ribbon cable fully seated into main & display boards.
FLOW HI or FLOW LO light on.
Ensure sampling pipes correctly installed, lid fitted and box fully sealed.
Ensure flow calibration procedure has been carried out (Section 5.2).
Ensure filters are clean (Chapter 7).
Flow reading on Bargraph display
moves erratically.
Decrease Flow sensitivity setting and re-calibrate air flows (Section
5.2).
Flow reading on Bargraph
unresponsive to broken/blocked
pipe.
Increase Flow sensitivity setting and re-calibrate air flows (Section 5.2).
Detector(s) unresponsive to
smoke tests.
Ensure sampling pipe installed correctly and undamaged (Chapter 4).
Ensure that holes and pipe length do not exceed limits for detector
(Chapter 8).
Ensure that the baffles are fitted.
Ensure that recommended test method is used (Section 6.2).
Increase fan speed and re-test.
