P12040
Smoke Alarm User's Guide
AC Wire-in Single and/or Multiple Station (up to 24 Devices)
Photoelectric Smoke Alarm with 9 Volt Battery Back Up and
"HUSH" Control to temporarily silence nuisance alarms.
Thank you for purchasing this smoke alarm. It is an important
part of your family's home safety plan. You can trust this product
to provide the highest quality safety protection. We know you
expect nothing less when the lives of your family are at stake.
Kidde alarms and accessories CAN ONLY BE interconnected with
other Kidde alarms and accessories as well as specified brands and
models of interconnect compatible alarms. Connection of Kidde
products to a non-specified manufacturer's interconnect system,
or connection with non-specified equipment from another manu-
facturer into an existing Kidde system could result in nuisance
alarming, failure to alarm, or damage to one or all of the devices
in the interconnect system. Refer to the User's Guide supplied with
each Kidde product for interconnect compatible models, brands,
and devices. Refer to the wiring instructions in section 3 for NFPA
initiating device limits.
Smoke Alarm Model Number
(located on back of alarm):
Date Code (located on back of alarm).
National Fire Protection Association
(NFPA) and the manufacturer
recommends replacing this alarm
ten years from the date code:
Date of Purchase:
Where Purchased:
SIGNALING
U L
LISTED
1375-7213-00(21008164-EN A).indd 1
1375-7213-00(21008164-EN A).indd 1
For your convenience, write down the following
information. If you call our Consumer Hotline,
these are the first questions you will be asked.
For model: P12040
21008164-EN Rev A
1375-7213-00
2010.10.7 2:06:22 PM
2010.10.7 2:06:22 PM
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Do you have a question about the P12040 and is the answer not in the manual?
Questions and answers
model p12040 chirping not fixed by cleaning with compressed air and changing battery. Green light is not on.
If the Kidde P12040 smoke alarm is chirping, the green light is off, and cleaning with compressed air and changing the battery did not resolve the issue, it could indicate a power supply problem. The alarm is designed to be hardwired (120VAC) with a battery backup. The green light being off suggests that the unit is not receiving AC power. Possible causes include:
1. Power Interruption: Check if the circuit breaker controlling the alarm's power is tripped or turned off.
2. Loose or Disconnected Wiring: Ensure the quick-connect power harness is securely attached to the alarm.
3. Faulty Unit: If power is confirmed and the issue persists, the alarm may be malfunctioning and require replacement.
If none of these steps resolve the issue, consider contacting the manufacturer for further troubleshooting or replacement options.
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