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13. TROUBLESHOOTING
1. ALARM DOES NOT WORK WITH THE TEST BUTTON:
(1) Check that the green mains power light is on. If it is off check the wiring, fuse,
circuit breakers etc.
(2) Hold the test 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. Press the test/hush button to reset the unit. If the beeping and
the amber light flashing re-occurs replace the unit.
3. AMBER LIGHT FLASHES EVERY 40 SECONDS
The unit has been operating for up to 6 years and must be replaced.
4. ALARM SOUNDS FOR NO APPARENT REASON:
Follow the detailed instructions on page 4. entitled “What to do when the alarm
sounds”. If there are still problems:
(1) Ensure there are no fuel-burning appliances in the vicinity which could be leaking
CO gas (e.g. even from next door).
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