5 Using Instructions:
5.1 GD401 /GD601
5.1.1. Plug in, (If ventilate fan, electro valve or other equipment is need to be connected,
please connect corresponding circuit firstly.), then the green POWER light and yellow
W-UP light will be on. The appliance assumes non-operating status for three minutes while
the sensor warms up. After warm up, the yellow W-UP light will be off automatically and the
appliance enters detecting status.
5.1.2. If the gas in the environment rises above the preset alarm level, the appliance will
enter alarm status, the red ALARM light will shine and the buzzer will give sound alarming.
Meanwhile, the alarm will activate the relay or the valve output; at the same time, please
cut off gas supply promptly and open the window. Don’t try to switch on or off any electric
appliance, including mobile phone and such communications tools. Ask professional
person to eliminate the gas leaking malfunction quickly (the alarm with function of gas shut
off valve shall output one close pulse signal each 10 seconds)
5.1.3. Once the gas concentration around drop under the preset alarming level, the
detector will stop alarming automatically and the ventilating fan will also stop automatically.
The detector gets into detecting state again.
5.1.4. If the yellow fault alarm light is on, it shows there is something wrong with the
detector and the detector can’t detect gas. Then please contact the distributor.
5.1.2 Button operation:
W-UP: press this button to stop the warm up and the detector get into detecting state
immediately.
Test button: The appliance will simulate alarming by pressing test button under
detecting status.
Once the gas concentration around drop under the preset alarming level, the detector will
stop alarming automatically and the ventilating fan will also stop automatically. The
detector gets into detecting state again.
6 Troubleshooting Guide
