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distinguish between them in an emergency. Note: When the Test Button is pressed on the CO Alarm the
red alarm light does not flash unless the CO memory was activated.
If CO Alarms and Smoke/Heat Alarms are interconnected (and are all sounding), press the LOCATE switch
on the Ei411H Remote Control Switch to leave just the alarm that has triggered the system sounding.
Clean the outside case by occasionally wiping with a clean damp cloth (disconnect the mains supply
at the distribution/fuse board first). Do not use any cleaning agents, bleaches, detergents or polishes,
including those in aerosol cans. Avoid spraying air fresheners, hair spray, paint or other aerosols near
the CO Alarm. Do not place air fresheners near the unit.
Use the narrow nozzle of a vacuum cleaner to remove dust and other contamination from the gas entry
holes in the cover of the Alarm to ensure CO gas can reach the sensor.
Do not paint the Alarm.
Remove the Alarm when decorating. Do not allow water or dust to contaminate the Alarm.
Do not open or tamper with the Alarm. This can damage the unit and may expose the user to shock
or fire hazards. There are no user serviceable parts inside apart from the sensor module - see below.
HOW TO DISCONNECT AND REMOVE THE ALARM:
(1) Disconnect the mains supply to the Alarm circuit at the distribution/fuse board.
(2) Remove tamperproofing screw if fitted (see Figure 4).
(3) Release catch (as shown in Figure 4) and slide the Alarm off the mounting plate.
SENSOR MODULE REPLACEMENT
Replace the sensor module (by the date on the 'REPLACE SENSOR BY' label on the side of the
Alarm). The amber light will flash once every 40 seconds (without a beep) to indicate the sensor should
be replaced.
7. MAINTENANCE
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