Operation
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9
3.4 Troubleshooting
Refer to the following table to check and correct any failure before contacting service personnel.
Symptom
Possible Cause
Corrective Action
Scale does not turn on
Dead batteries
Replace batteries or connect to AC power
Faulty electrical outlet
Use a different electrical outlet
Bad power supply
Replace adapter
Questionable weight or the scale does not
zero
External object is interfering with the scale Remove the interfering object from the scale
Display did not show 0.0 before weighing Help the patient off the scale, zero the scale and begin the
weighing process again
Scale is not placed on a level floor
Ensure scale is level and begin the weighing process again
Scale is out of calibration
Check the weight with a certified calibration weight
The display shows a
STOP
message
The load on the scale exceeds the
capacity of the scale
Remove the excess weight and use the scale according to
manufacture specifications
The display shows
LO Bat
message
The battery is low
Replace batteries
The display shows E and Err messages as detailed below
E06
Identifier - ADC
AD too high
E07
AD too low
E10
Overload
Scale has been overloaded. Remove load from scale
E4L
BAT
Battery low, but still usable- one bar left on indicator display
E4U
Battery low and unstable - no bars left on indicator display
E11
CAL
Calibration Error - recalibrate scale
Err 1
Load cell cable may be plugged into wrong
connection port
Ensure cable is connected to the load cell connection port.
Note:
Load cell connection point is located underneath the
curved plastic cover of the indicator. Remove four back
retaining screws, remove curved back cover to access load
cell connection point.
Err 2
Low saturation state (low A/D)
The load cell is not connected properly; Check the cables
and mechanical connections; if the problem persists, replace
the set of load cells
Err 3
High saturation state (high A/D)
See Err 2
Err 6
Unstable weight; Cannot calibrate
Check the load cell mechanical surroundings and ensure
nothing is contacting the load cell and that the cables are
properly welded
Err 7
Scale isn’t moving
Make sure feet are installed on the scale. Turn the feet all
the way in and then back them out three full turns, then level
the scale
SAT
Damaged load cell cable
Replace load cell cable
Load cell cable may be plugged into wrong
connection port
Ensure cable is connected to the load cell connection port.
Note:
Load cell connection point is located underneath the
curved plastic cover of the indicator. Remove four back
retaining screws, remove curved back cover to access load
cell connection point.
Table 3-2. Troubleshooting
