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CO Alarm Memory: : A unit will indicate if it has been in alarm previously by flashing the red light
for 2 seconds every 40 seconds (2 flashes for 50 ppm CO, 4 flashes for 100
ppm CO and 8 flashes, for 300 ppm CO). When the Test/Hush button is
pressed, the red light flashes (as per Table B on page 8) to indicate the
previous CO alarm level detected. The memory is cleared by holding down
the Test/Hush button until the red light stops flashing.
Digital Display : Range 50 - 300ppm CO
(Ei261DENRC only) Resolution 5 ppm CO
With low rechargeable cells - CP
With sensor faulty - SF
With Test/Hush button pressed - previous peak CO level
Dimensions : 126 x 150 x 42 mm.
Weight : 330g.
13. TROUBLESHOOTING
1. ALARM DOES NOT WORK WHEN THE TEST BUTTON IS PRESSED:
- Check that the green mains power light is on. If it is off check the wiring, fuse, circuit breakers etc.
- Hold the Test/Hush button down for at least 5 seconds.
2. ALARM BEEPS AND AMBER LIGHT FLASHES EVERY 40 SECONDS:
- If the alarm beeps and the amber fault light flashes every 40 seconds, the CO sensor is probably
defective.
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B16132-R0-261ENRC-UC-ENG 7/11/07 11:52 AM Page 30