Troubleshooting guide

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