22
Summit SB-1000 Bariatric Wheelchair Scale Installation Manual
8.0
Service Information
The following sections describe basic service and maintenance procedures.
8.1
Troubleshooting Guide
The following table lists some of the common problems and their suggested solutions.
Problem
Symptom Description
Solution
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.
Improper tare
Place the tare item on the scale. Press
REWEIGH
. Once the weight of the item is
displayed, press
TARE
. Place the patient
back on the scale. Press the
REWEIGH
button again.
Consistently high or
low weights
Indicator not properly adjusted to zero
Zero the indicator according to the indicator
manual
Platform is binding
Obtain adequate clearance for free platform
movement
Indicator is not calibrated
Calibrate accordingv to the indicator manual
Load cells faulty
Test and replace load cells if necessary
Feet touching deck underside
Adjust feet downward to provide clearance
Weighing is
performed but the
display shows
WEIGH
and
REWEIGH
every few
seconds; the
weighing process
takes too long and no
weight is displayed
The patient is not sitting still
Ask the patient to be still
Erratic weight
readings
Vibration near the scale
Remove source of the vibration or move
scale
Platform not level to within 1/4 inch
Level the scale by adjusting the feet or
shimming if necessary
Load cell or cable water damage
Replace
Debris under load cells or platform
Clean
indicator faulty
Use simulator or test indicator for stability.
Service indicator
Display stays at zero
Indicator faulty
Service indicator
Load cell connections are faulty
Check the cable connections in junction box
and at the indicator
Table 8-1. Troubleshooting Table