Troubleshooting GuideSymptom Problem Action1 chirp every 30 sec-onds with a red LEDflash, digital unitsdisplayBatteries are lowand need replacing.See pages 16-17.Battery Installation/Replacement.1 chirp every 30 sec-onds with a red LEDflash, digital unitsdisplaySensor or unitmalfunction. Replace unit,if necessaryThe problems listed above are under normal operation conditions. Othererror (Err) conditions could exist if, for instance, ambient conditions areoutside normal operating range (see page 26), battery condition is lessthan optimal, etc. If you still have any additional questions regarding Errconditions, please call our Consumer Hotline at 1-800-654-9677.Caring for your Kidde Battery PoweredCO Alarm (cont.)Move the CO alarm and place in another location prior to per-forming any of the following:• Staining or stripping wood floors or furniture• Painting• Wall papering• Using adhesivesStoring the unit in a plastic bag during the above projects willprotect the sensor from permanent damage.WARNING: As soon as possible, place the CO alarm back in itsproper location to assure continuous protection from CarbonMonoxide poisoning.Accommodation spaces should be well ventilated when householdcleaning supplies or similar contaminants are used.The following substances can affect the sensor and may causefalse readings:Methane, propane, iso-butane, iso-propanol, ethylene, benzene,toluene, ethyl acetate, hydrogen sulfide, sulfur dioxides, alcoholbased products, paints, thinners, solvents, adhesives, hairsprays, after shaves, perfumes, and some cleaning agents.22 23