beautypg.com

Operating and alarm characteristics, Cont.) – Kidde KN-COU-B User Manual

Page 16

background image

LCD display, Operate (Green)

and Alarm (Red) LED shows:

Alarm Sound

Unit Status

Recommentation

• A steady display of CO

concentration from 10-

999

• Red LED flashes 4 times

with audible beep

4 quick beeps,

5 seconds. silence,

repeating

Alarm condition

Dangerous concentrations

of CO detected

Refer to “Carbon

Monoxide Alarm proce-

dure (inside front cover)

• 10 ppm or greater dis-

played

• Dot flashing every 5 sec-

onds

• Red LED flashes 2 times

every 10 seconds

•Green LED flashes 4

times every 10 seconds

2 quick beeps every

10 seconds,

repeating

Low Level Warning

Low or mid level concen-

trations of CO detected

Refer to “Carbon

Monoxide Alert "proce-

dure (inside front cover)

• "Snd Off" displayed

• Dot flashing every 5 sec-

onds

• Green LED flashes 4

times every 10 seconds

None

Audible chirp in

"Hush" mode

Low Level Warning

in "Hush" mode

Press/Hold test button

for 5 seconds to "Hush"

chirps. Press test button

to disable "Hush"

• 10 ppm or greater dis-

played

• Dot flashing every 5 sec-

onds

• 20 ppm or greater,

Green LED flashes 4

times every 10 seconds

None

Low Level Alert

Low concentrations of CO

detected

Refer to “Carbon

Monoxide Alert " proce-

dure (inside front cover)

• Steady “0” displayed

• Dot flashing every 5

seconds

• Green LED flashes every

30 seconds

None

Normal DC operation

with good batteries

(sensing less than 10

ppm of CO)

None

• Number from 10-999

displayed

None

Peak Level Memory acti-

vated. Highest concen-

tration of CO detected is

displayed

Refer to following sec-

tion for information

regarding Peak Level

Memory

• Brief “888” for approxi-

mately 10 seconds

None

Self test when first

powered up

None – CO has not been

detected. "888" dis-

played to confirm all

segments of display are

operational

• 3 dashes "---" scroll

across display 3 to 4

times

4 quick beeps, 5

secs. silence,

repeating

Test/Reset button is

pressed

None – CO has not been

detected. "---" shown

for test purpose only

• “Lb” flashes alternately

with any number

• Red LED flashes every 60

seconds

One quick beep

every 60 seconds

Batteries need to be

replaced

Replace all three AA bat-

teries immediately

• “Err” displayed

One quick beep

every 30 seconds

Unit is Error condition

Replace batteries. If

“Err” (or blank display)

continues, unit has mal-

functioned. Replace

immediately. Unit will

not respond to CO

• Display is blank

Constant tone

Unit malfunction

• “End” displayed

• Red LED flashes two

times every 30 seconds

Two quick beeps

every 30 seconds

End of unit life

Replace unit immediate-

ly. Unit will not respond

to CO

The following table illustrates the possible digital displays, describes the
audible alarm patterns, and the recommended actions to take.
Operating and Alarm Characteristics

The problems listed above are under normal operating conditions. Other
“Err” conditions could exist. If you should have any questions regarding
display conditions, call our Product Support.

5. Operating and Alarm Characteristics

(cont.)

2541-7201-01_revB_EN_V1:_ 2013.3.5 11:13 AM Page 16