7
After alarming for 3s
～
7s, the detector will
output a forward pulse current to close solenoid.
When the gas density goes below the preset
value, the detector will automatically stop audio
and visual signal and K1, K2 will be self-opened.
If, at this time, the solenoid has been closed, it
will be kept closed, and you will have to pull it
open manually.
3. Fire
Alarm
Treatment
When the detector alarms, please immediately
open the windows for ventilation Put out any fire;
do not make new fires; Avoid switching on or off
any electric appliance, find out the reason of
leaking and call professional engineers.
VI Troubleshooting
No. Fault Reason Solution
1.
Alarms
after
power-up
Hasn't been
powered for
a long time
or first time
powered up.
It will
resume
normal
after a
period.
2.
Solenoid
cannot be
switched
off
Polarity of
the solenoid
is reversed.
Wire
correctly.
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