ii. Slide screwdriver blade in recess to unlock from base, as indicated by arrow to
release locking tab
iii. With screwdriver still inserted push alarm hard with palm of hand in direction of arrow,
to slide off it's base.
iv. Note correct position of battery and install replacement type as listed below. The alarm
cannot be replaced without a
battery installed.
v Reverse procedure to re-install alarm.
We recommend the use of alkaline for a longer service life.
Battery type/code nos.
Alkaline type:
Duracell MN1604; Duracell Ultra MX1604; Energizer 6LR61;
NOTE: TEST ALARM USING TEST BUTTON AFTER BATTERIES ARE REPLACED.
*On rechargeable models there are no user serviceable
batteries to be changed. (See Section 6.)
vi. When you have fitted a fresh battery, check test button; if horn sounds then reverse
the process above, reconnect to the mains and switch circuit back on at Consumer
Unit.
If in any doubt, consult a qualified electrician as mains electricity can
be hazardous.