Ademco 4120OEC Trouble
NO AC | AC Power Failure |
BAT | Panel Battery low |
CHECK 01 – 08 | Zone trouble, possible bad Resistor |
OC | Open Circuit, bad keypad wire |
FC | Fail to Communicate |
CC | Panel is being downloaded by Tech Support |
Reset Smoke | 4-digit code + 1 (OFF) twice to turn off siren and reset smoke |
(If this does NOT reset smoke detector set for service, smoke is bad) |