Battery Replacement; General Alarm Maintenance - Kidde KN-COSM-B User Manual

What To Do If The Alarm Sounds
Never restart the source of a CO problem until it
has been fixed. NEVER IGNORE THE ALARM!
The CO sensor meets the alarm response time require-
ments of UL standard 2034. Standard alarm times are as
follows:
At 70 PPM, the unit must alarm within 60-240 minutes.
At 150 PPM, the unit must alarm within 10-50 minutes.
At 400 PPM, the unit must alarm within 4-15 minutes.
This carbon monoxide alarm is designed to detect
carbon monoxide gas from ANY source of com-
bustion. It is NOT designed to detect any other
gas.
Fire departments, most utility companies and HVAC
contractors will perform CO inspections, some may
charge for this service. It's advisable to inquire about
any applicable fees prior to having the service per-
formed. Kidde Safety will not pay for, or reimburse, the
owner or user of this product, for any repair or dispatch
calls related to the alarm sounding.

Battery Replacement

If any form of battery failure is detected the red LED
light will flash and the unit will "chirp" one time, fol-
lowed by the warning message "LOW BATTERY." This
cycle will occur once every minute for the first hour.
After the first hour, the red LED light will continue
flashing accompanied by the chirp only sound every
60 seconds. The voice message "LOW BATTERY" will
sound once every fifteen minutes during the chirp only
cycle, and will continue for at least seven days.
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Battery Replacement
If the red LED light flashes along with a chirp
every 30 seconds, and is not followed by the voice
message "LOW BATTERY" as described above,
your unit has malfunctioned. Call our toll free
Consumer Hotline at 1-800-880-6788 for instructions on
how to return the unit.
Refer to Step 1 on page 8 for information on
installing the batteries.
Replace batteries with one of the following approved
brands: Duracell MN1500, MX1500 or Energizer E91.
These batteries can be purchased at your local retailer.
WARNING! Use only the batteries specified. Use of
different batteries may have a detrimental effect on the
Smoke/CO alarm.A good safety measure is to replace
the batteries twice a year, at the same time you change
your clocks for daylight saving time.
General Maintenance
To keep your Smoke/CO Alarm in good working order,
please follow these simple steps:
• Verify unit alarm, lights and battery operation by
pushing the test/reset button once a week.
• Remove the unit from mounting bracket and
vacuum the alarm cover and vents with a soft
brush attachment once a month to remove dust
and dirt. REINSTALL IMMEDIATELY AFTER CLEAN
ING AND THEN TEST USING THE TEST/RESET
BUTTON! IF TAMPER RESIST FEATURE HAS BEEN
ACTIVATED, REFER TO TAMPER RESIST FEATURE
DESCRIPTION ON PAGE 14 FOR REMOVAL
INSTRUCTIONS.
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