Ademco - 627 Combustion Detector Maintenance

MAINTENANCE OF No 627 OF DETECTOR red more often Merely result normal No 627 Detector cleaned a more present average The 6270 cannot a back accidental clean Detector be re be clean Detector detector cleaned Diagram generalea off vacuum cleaner I 1 unit Q Tip alcohol gold dry with aluminum on back with wipe dry I ace certain are MA I NTENANCE