Nighthawk KN-COPP-3 manual Display Shows Alarm Sound Unit Status Recommended Action

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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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Contents Carbon Monoxide Alarm Table of Contents Introduction About this User’s GuideQuick Set-Up Guide Setting up your CO alarm for first time operationAbout Your CO Alarm Part One Your Nighthawk CO AlarmDigital Display Nighthawk’s Unique FeaturesWhere Not to Install Your CO Alarm Where to Install Your CO AlarmDirect Plug Alarm How to Install Your AlarmTo install Wall Mounted AlarmNormal Operating Characteristics How to Test Your AlarmTesting the Electronics If the alarm malfunctions Testing the sensor responseMalfunction Signal Group 1 Component Failure Low Battery WarningHow to Care for Your Alarm How to Know If Your Alarm is MalfunctioningTo Reset the Peak Level Memory… Peak Level Memory ButtonWhere Does CO Come From? What is Carbon Monoxide?Part Two Carbon Monoxide-The Silent Killer What are the Effects of CO Exposure?Home Safety Tips What You Can Do What You Should Not DoClues You Cannot See Generally 50 ppm and below Part Three What You Should Know Before the Alarm SoundsMid Levels Generally 50 ppm to 100 ppmCommon Mild Exposure Symptoms Part Four What to Do When the Alarm SoundsCommon Medium Exposure Symptoms Common Extreme Exposure SymptomsThis determination and administer treatment if necessary Appliances has caused any change in CO alarm readingsInstructions on page 1-5 Treatment for CO PoisoningPart Five Technical Information What happens if the power goes out? Part Six Frequently Asked QuestionsHow much electricity does it take to run the CO alarm? Flashing dot Return to zero Part Six Display Reading and What They MeanDisplay Shows Alarm Sound Unit Status Display Shows Alarm Sound Unit Status Recommended ActionPage Wall Mount Diagram Limited Warranty Warranty RegistrationPlease send products and all other correspondence to