8. Visual & acoustic signals
See Page 3
7. POWER
LED
Green
Normal
1 x every
operation
minute
Test
CO alarm
warning
Alarm
silence
Alarm
memory
Fault
End of life
Low battery
Low battery
silence
CO alarm
ONLY AFTER RECOMMENDED ACTIONS HAVE BEEN TAKEN.
warning
The CO alarm is due to dangerous levels of carbon monoxide.
Low battery
GAS EMERGENCY SERVICE TELEPHONE NUMBER 0800 111 999
Contact numbers for other fuel appliances:
Oil users: Contact OFTEC on 0845 658 5080
Solid fuel users: Contact HETAS on 01684 278170
8. ALARM
Red
off
1 x
4 flashes x 2
times
off
4 x Continuously
off
4 x every minute
off
1 x every minute
off
off
off
off
off
off
off
Off
HOW TO MUTE CO ALARM SOUND
9. FAULT
10. BEEP
Yellow
Sounder
off
off
off
4 beeps x 2
times
off
Continuously
off
Muted
off
1 x every
minute
2 x every
2 x every
minute
minute
3 x every
3 x every
minute
minute
1 x every
1 x every
minute
minute
1 x every
Muted
minute
-6-
Normal operation.
No CO detection.
The entire device cover is its TEST /
SILENCE button.
Press cover TEST/SILENCE button 3
sec.
CO alarm warning.
CO alarm warning
MUTED ALARM SOUND 10 MINUTES
Dangerous CO condition detection
whilst user was absent. Currently, no
dangerous CO level present.
Fault warning.
Replace CO alarm ASAP.
Replace CO alarm.
Mute 9 hours active.
Press cover TEST/SILENCE button 3
sec.
Press cover TEST/SILENCE button 3
sec.