Product Manual

6
8.
CALIBRATION 553KL
This scale has been factory calibrated and does not require calibration prior to use.
For maintenance, the calibration procedure may be performed using a known weight in kilograms.
Note: Calibration weight must be no less than 11 lb (5 kg) and no more than 44 lb (20 kg).
TROUBLESHOOTING
9.
Refer to the following instructions to check and correct any failure before contacting authorized service personnel.
SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION
Scale does not turn on 1. Battery problem
2. Bad Power Supply or Not Plugged In
3. Electrical Outlet not functioning
1. Check / Replace the batteries
2. Check / Replace Power Supply Adapter
3. Use a different outlet
“LobAt”
shows in display
The batteries are low Replace batteries according to instructions
Questionable weight or
the scale does not zero
1. External object interfering with the scale
2. The display did not show “0.0” before
weighing
3. Scale is not placed on a level surface
4. Scale is out of calibration
1. Remove interfering object from the scale—be
sure the scale is not touching the wall
2. Ask the patient to step off the scale. Zero the
scale and begin weighing process again
3. Place scale on level surface
4. Check weight with known weight value (see the
calibration procedure above)
“OVER”
shows in display
Overload. The load on the scale exceeds scale
maximum capacity (44 lbs / 20 kg)
Remove weight, turn scale off, turn scale on again
and try again
“UNDER”
shows in display
Negative weight, indicating a tare was present.
Load on the scale is below initial zero point
Clear scale of any weight and re-zero scale by
pressing ZERO/CLEAR button
ACTION
DISPLAY
SHOWS
Press and hold the Kg/LB and ZERO/CLEAR buttons at the same time, then momentarily
press the ON/OFF button to start the scale. When “CAL” appears in the display, release the
Kg/LB and ZERO/CLEAR buttons.
“CAL”
then
“XXXXX”
Press the ZERO/CLEAR button. “C-5” will flash on the display and then the display will return
to “0”.
“C-5” then “0”
Place 5 kg on the scale and when calibration number displayed stabilizes, press the
ZERO/CLEAR button. “C-10” will flash on the display and then the display will return to “0”.
“C-10” then “0”
Place 10 kg on the scale and when calibration number displayed stabilizes, press the
ZERO/CLEAR button. “C-15” will flash on the display and then the display will return to “0”.
“C-15” then “0”
Place 15 kg on the scale and when calibration number displayed stabilizes, press the
ZERO/CLEAR button. “C-20” will flash on the display and then the display will return to “0”.
“C-20” then “0”
Place 20 kg on the scale and when calibration number displayed stabilizes, press the
ZERO/CLEAR button. “END” will appear on the display and the scale will automatically turn off.
“END”