10
TROUBLESHOOTING
Troubleshooting
Before contacting service personnel, refer to the following instructions to check and to
correct any failures.
Symptom
Possible Cause
Corrective Action
Scale does not turn on
1. Dead battery
2. Faulty electrical outlet
3. Bad power supply
1. Replace batteries
2. Use a different outlet
3. Replace AC adapter
Questionable weight or
the scale does not zero
1. External object
interfering with the scale
1. Remove interfering object
from the scale
2. The display did not
show
“0.0” before weighing
2. Remove the patient from
the weighing tray, zero the
scale and begin weighing
process again
3. Scale is not placed on a
level surface
3. Place the scale on a level
surface and begin weighing
process again
4. Scale is out of
calibration
4. Check weight with known
weight value
The display shows
“OVER”
The load on the scale
exceeds the capacity
553KL:44 lb / 20 kg;
553KG: 20 kg
Remove the excess weight
and use the scale according
to its limits
The display shows
“UNDER”
Negative weight, indicating
a tare was present. Load
on the scale is below initial
zero point.
Clear scale of any weight
and re-zero the scale by
pressing
ZERO/CLEAR
button.
The display shows
“Lo”
The batteries are depleted
Replace batteries according
to instructions
