Kidde 423D/9HIR Installer's Manual

Also see for Fyrnetics 423/9HIR: Installer's guide User manual

Contents

Kidde 423D/9HIR Installer's Manual Manual pdf 8 page image

813. Limitations of CO Alarms• This alarm will only indicate the presence of CO at the sensor.• CO may be present elsewhere in the property.• All alarms must be tested regularly to make sure the back up batteriesand the alarm circuits are in good operating condition.• CO alarms cannot provide an alarm if the CO does not reach theunit.• Therefore, they may not sense CO on the other side of a closed dooror on adifferent floor. If the alarm is located outside the bedroom or on a dif-ferent floor, it may not wake up a sound sleeper.• The use of alcohol or drugs may also impair ones ability to hear thealarm.• For maximum protection a CO alarm should be installed in eachsleeping area and on every level of a home. Hearing impaired occu-piers should consider fitting additional strobe accessories to give avisual alarm.• CO Alarms are not a substitute for annual routine servicing of appli-ances by a qualified installer.Symptom1. Green L.E.D. not lit.2. Unit flashing “Lb” atpower up.3. Alarm Beeping every 30seconds.4. Alarm does not soundwhen test buttonpressed.5. Interconnected alarmsdo not sound when testbutton is pressed andheld.Possible cause/solutionsa. Loss of mains power – check at Consumer Unit forBlown Fuse or tripped Circuit Breaker.b.Check that cables at back of alarm are correctlyseated/wired in and the alarm is pushed fullyhome.See section 5. Also reference enclosed “Operator’sManual”.See Paragraph 5 for Battery GuidanceSee parts 1a and 1b above.Check integrity of interconnect wiring connections. Donot use 2 core and earth for this function, only 3 coreand earth14. Troubleshooting• Always turn off the mains supply to AC alarms before checking con-nections etc..2512-7205-01.qxd:_ 2008.4.1 2:05 PM Page 8

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