6. Operation Check
6-1 Power-On
When the detector is powered on, the Power Indicator LED and the 7-segment LED light up. (Refer to Drawing 12.)
In the case that the LED does not light up, the detector may be out of order. Power off the detector promptly and contact
the manufacturer.
Drawing 12 Power-On Operation
6-2 Check for Break Detection Function
1)
After powering off the detector
, remove the water leakage sensor from the trunk terminal block and then
power on the detector.
2) The buzzer sounds, the Alarm Indicator LED flashes and the contacts (for break detection) function.
3) The 3-digit, 7-segment LED indicates “---“.(Refer to Drawing 13.)
4) After the operation check,
power off the detector
and then connect the sensor to the terminal block again.
Drawing 13 Indication in the Case of Break Detection
6-3 Check for Water Leakage Detection Function
1) Drop tap water into the water leakage sensor.
2) The buzzer sounds, the Alarm Indicator LED lights up and the contacts (for water leakage detection) function.
3) The 7-segment LED indicates as shown in Drawing 14.
Example: in the case in which a sensor with a length of 250 meters connected and a point at 120 meters wetted.
4) Wipe the tap water dropped on the sensor with dry rags, etc. and check that the water leakage status returns to
normal.
Drawing 14 Indication in the Case of Water Leakage Detection
-7-
Lighting up
Lighting up
Flashing: The water leakage location is indicated.
Lighting out: The sensor length isindicated.
Sensor length
Lighting
Lighting
Lighting
Lighting
Flashing
Lighting up
Indication of the
out
Water leakage
location indication
Lighting
out
Alarm LED status
out
out
out
