Nighthawk KN-COPP-3 Readings You May See When Unit is AC Powered, Display Shows, Alarm Sound

Part Six – Display Reading and What They Mean

Readings You May See When Unit is AC Powered

Display Shows	Alarm Sound	Unit Status	Recommended Action
Steady “Err”	“Chirp” every	Unit malfunctioning when	Call KIDDE Safety customer
and flashing dot	30 seconds	AC powered	service at 1-800-880-6788

Readings You May See When Unit is on Temporary Battery Backup

Display Shows Alarm Sound Unit Status Recommended Action

Flashing dot	None	Normal battery-only operation –
		unit will show reading only if it
		senses CO

Plug in to AC as soon as possible to conserve battery

Flashing dot and	“Chirp” every	Unit malfunctioning when	Call KIDDE Safety customer
“Err”	30 seconds	battery powered	service at 1-800-880-6788
Flashing dot	“Chirp” every	Very low battery –	Replace battery
	30 seconds	unit will not respond to CO	Refer to Step 3 on page ii.
No display	Constant Alarm	Near dead battery or	Replace battery –
		unit malfunction	If this does not fix condition,
			Call KIDDE Safety customer
			service at 1-800-880-6788

If at any time you test the alarm and it does not perform as described, have it replaced immediately.

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