Digital Handrail Scale Operation Manual - Troubleshooting and Testing
11
6.0
Troubleshooting and Testing
Refer to the following to check and correct any failure before contacting service personnel.
Table 6-1. Troubleshooting Table for the Rice Lake Scale Line
Symptom
Possible Cause
Corrective Action
Scale does not turn on
Dead battery
Connect the scale to a power source.
Faulty electrical outlet
Use a different electrical outlet.
Bad power supply
Replace adaptor.
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 the scale is level and begin the weighing
process again.
Scale is out of calibration.
Check the weight with a known weight value.
The display shows E 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 useable
—
One bar left on the
indicator display.
E4U
Battery low and unstable
—
no bars left on the
indicator display.
E11
CAL
Calibration Error
—
recalibrate the scale again.
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 cells’ mechanical surroundings and see
that nothing touches them and that the cables are
properly welded.
SAT
Damaged load cell cable
Replace load cell cable.
