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TROUBLESHOOTING
Troubleshooting
Before contacting service personnel, refer to the following instructions to check and to correct
any failures. If display shows other error messages than displayed below, contact
®
Health o meter
Professional Scales Technical Support at 1-800-638-3722.
Symptom
Scale does not turn on
Questionable weight or
the scale does not zero
Weighing is performed but
the weighing process takes
too long and the weight
does not lock on the display
The display shows
"UNDeR"
The display shows dashes
and the "OVERLOAD" icon
is displayed
The display shows
"LoBat" and scale powers
off
The display continually
shows dashes and will not
settle on "0.0"
Inspecting the Load Cell Cable
1. Using a Phillips screwdriver, remove
the door at the back of the platform
base.
P/N UM500KL 500KG Rev 20191120
Possible Cause
1. Dead battery
2. Faulty electrical outlet
3. Bad power supply
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 floor
4. Scale is out of calibration
The patient is not standing
still
A negative weight is present
The weight on the scale
exceeds the capacity
The batteries are depleted
Load cell connector cable is
not plugged in or load cell is
damaged
Load Cell Cable
Connected
2. Inspect the load cell connector cable to ensure it
is completely plugged into the RJ jack. If cable was
plugged in, unplug and plug in again until it clicks
into place. After checking connection, replace door
at the back of the platform base.
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Corrective Action
1. Replace batteries
2. Use a different outlet
3. Replace AC adapter
1. Remove interfering object
from the scale
2. Ask the patient to get off the
scale, zero the scale and begin
weighing process again
3. Place the scale on a level
floor and begin weighing
process again
4. Check weight with known
weight value
Ask the patient to stand still
Press the ZERO/TARE button
to zero the scale.
Remove the excess weight and
use the scale according to its
limits
Replace batteries according to
instructions
Refer to the instructions below
to inspect the load cell cable.
Load Cell Cable
Not Connected
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