Kidde KN-COPP-3 User Manual page 21

Part Six – Display Reading and What They Mean
Readings You May See When Unit is AC Powered
Display Shows
Steady "Err"
and flashing dot
Readings You May See When Unit is on Temporary Battery Backup
Display Shows
Flashing dot
Flashing dot and
"Err"
Flashing dot
No display
Alarm Sound Unit Status
"Chirp" every Unit malfunctioning when
30 seconds AC powered
Alarm Sound Unit Status
None Normal battery-only operation –
unit will show reading only if it
senses CO
"Chirp" every Unit malfunctioning when
30 seconds battery powered
"Chirp" every Very low battery –
30 seconds unit will not respond to CO
Constant Alarm Near dead battery or
unit malfunction
6-4
Recommended Action
Call KIDDE Safety customer
service at 1-800-880-6788
Recommended Action
Plug in to AC as soon as
possible to conserve battery
Call KIDDE Safety customer
service at 1-800-880-6788
Replace battery
Replace battery –
If this does not fix condition,
Call KIDDE Safety customer
service at 1-800-880-6788