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69-1513EF—01 18
Replacing Your Battery
NOTE: When using the tamper-resistant lock-
ing pin, be sure to remove it before
replacing your battery.
1. Use a long-nosed pliers to pull out the
tamper-resistant locking pin to allow
removing the device from the mounting
plate to replace the battery.
2. Remove the alarm from the mounting
plate by turning the alarm in the direction
of the Off arrow on the cover.
• Use the battery recommended. (A
fresh battery should last for one year
under normal operating conditions.)
3. Verify that you have a 9-volt alkaline bat-
tery and install it; see Fig. 5 (Duracell®
MN1604 is recommended).
WARNING
Replacement Battery Hazard.
Use only battery specified.
Using different battery than 9-volt
Duracell® MN1604 can have
detrimental effect on CO alarm
operation and performance.
NOTE: Constant exposures to high or low
temperatures or to high humidity can
reduce battery life.