niu N-GT, Service Manual

Page: 82 / 144

V1.0.0 82
How to check Alarm
（
Ref: 017)
Step 1: Press buttons of the remote, the remoter indicator should light up, if not, use the backup
remoter or Check the remoter battery
Step 2: if the siren doesn’t work after pressing the remote buttons, then replace the alarm
Step 3: if both siren and lights work after pressing remote buttons, then check alarm voltage input/
output
Step 4
：
Use a multimeter and set to DC
，
measure alarm voltage input(Negative to Black wire,
Positive to Red wire), should get result equal to battery voltage.
Step 5
：
measure voltage output to DC-DC(Negative to Black wire, Positive to Red/Green wire),
should get result equal to battery voltage, if not, replace the alarm
How to adjust Alarm sensitivity (Ref: 018)
Press LOCATING button and hold until start beeping(once is least sensitive and 5times is most
sensitive),
release your finger to select sensitivity setting