XI. Simple Failure Recovery
Fault symptom
Failure reason
Failure recovery
No cue tone and
clock display
when power on
Is the power socket bad
connection or does it
have no power supply?
Or, is the fuse burnt out?
Check the plug and socket,
check the fuse and
replace it
The backup batteries
don't work normally
during power failure
Is the battery polarity
correct? Is the backup
battery fuse burnt out?
Check whether the
battery polarity is correct?
Check the fuse and
replace it.
There is low-voltage
warning tone when
the backup batteries
of the alarm host
Is the backup battery
voltage too low? Is the
backup battery failed?
Charge it when AC power
supply is on Replace
backup battery.
The receiving
distance of the alarm
host becomes
shorter
Is the antenna damaged?
Does it share the same
socket with a TV, micro
oven and etc? Is it too
close to a TV, micro oven
and etc.
Replace the antenna, it is
recommended to use a
independent power
socket, avoid too close to
devices with high
electromagnetic radiation.
There is no alarm in
certain defense area.
Is the defense area code
deleted? Is the defense
area deactivated by the
alarm host
Recover it under the
direction of the
distributor. Activate the
defense area by referring
to user manual.
Error alarm of a
detector
Does the installation of
the detector comply with
the requirement? Is the
backup battery voltage
too low or ineffective?
Adjust the installation
position according to the
installation requirement.
Check the backup
batteries.
The detection
distance of a
detector is too short
Is the installation angle
of the detector suitable?
Is the environment
temperature higher than
that of human body?
Adjust installation angle.
Recovery the detection
jumper of the detector
change the detection
jumper of the detector
and change the infrared
sensitivity
The distance of
remote controller is
not enough
Is the emission indicator
flashing during emission?
Low battery voltage,
replace the battery
Forwarding is
abnormal
Is the forwarding address
jumper changed? Is the
forward detector code
Recover the jumper setup:
Recovery the code under
the directions of the
distributor.
