3.3. Troubleshooting
Problem
You should . . .
Red light is not flashing
1. Check that power switch is on.
2. Check boot cable connections.
3. Check battery connections.
4. Battery may need replace-
ment.
Warning tone beeps on
and off repeatedly when
no weight is applied
1. Check battery and replace if
necessary.
2. See Sections 2.3 – 2.4.
Warning tone is on
continuously
1. Turn knob clockwise until
beeping stops.
2. Replace the battery.
Weight is applied and the
warning tone does not
sound
1. Check the volume control
knob; turn up if necessary.
2. Check weight threshold level
setting; test at lower threshold
setting.
For Model 120 Only
Check the front/back position
switch for proper location; test in
“both” setting.
Doesn’t maintain the set
weight threshold
1. Check weight threshold setting
procedure. See Section 2.4 and
Helpful Note on page 6.
2. Sensor may be defective or
worn-out. See next page.