Maintenance
22
Care@Home™ Smoke Detector User Guide
If the SK2 is working properly, the three LEDs flash rapidly and continuously and the sound pattern is:
For UL
: A single pattern of three consecutive pulses of ½ second (ON)
separated by
½ second
breaks (OFF)
For cUL:
A steady continuous tone (ON) of up to five seconds.
If the SK2 beeps and the
LED flashes once, the SK2 is not working properly and needs to be
repaired or serviced immediately.
5.3.
Cleaning the SK2
To keep the SK2 in good working condition, test the SK2 once a month and clean it once a year.
To clean the SK2, perform the following procedure.
To remove the SK2 from the mounting-base, as illustrated in Figure 12 on page 20, turn the SK2
1.
counter-clockwise until you hear a click. The SK2 is freed from the bracket.
Remove the batteries.
2.
Remove dust from SK2 as follows:
3.
Vacuum the dust from the detection chamber, located as shown in Figure 11 on page 16.
a.
Use the soft brush attachment of the vacuum cleaner to remove dust and dirt from the
b.
detection chamber.
Caution:
Never use water or cleaners to clean the SK2.
Remove any dust on the SK2 components, especially in the battery compartments.
c.