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29
READINGS YOU MAY SEE WHEN UNIT IS AC POWERED
Unit malfunc-
tion when AC
powered
Steady Err
and flashing
dot
“chirp”
every 30
seconds
Call Kidde
Customer
Service at
1-800-880-6788
Flashing
dot
None
Normal battery only
operation. Unit will
show reading only
if it senses CO
None
Flashing
dot and
“Err”
None
Normal AC oper-
ation (sensing no
CO) and with
good battery
None
Flashing
dot
None
Normal AC oper-
ation (sensing no
CO) and with
good battery
None
No display
Constant
alarm
Near dead bat-
tery or unit
malfunction
Replace battery. If
this does not fix, Call
Kidde Customer
Service at
1-800-880-6788
READINGS YOU MAY SEE WHEN UNIT IS ON TEMPORARY BATTERY BACKUP
IIff a
att a
an
ny
y ttiim
me
e y
yo
ou
u tte
esstt tth
he
e a
alla
arrm
m a
an
nd
d iitt d
do
oe
ess n
no
ott p
pe
errffo
orrm
m a
ass
d
de
essccrriib
be
ed
d,, h
ha
av
ve
e iitt rre
ep
plla
acce
ed
d iim
mm
me
ed
diia
atte
elly
y..
Display Readings and What They Mean