Model SR725
i
Wheelchair Scale
Operating and Service Manual
Part No. MAN725
i
_MICROBAN_200603
Page 21 of 24
S
Instruments, Inc.
,
600 Young Street, Tonawanda, NY 14150
Tel: 716-693-5977 Fax: 716-693-5854 URL:
email:
Copyright 2020
S
Instruments, Inc.
TROUBLESHOOTING
SYMPTOM
REASON/CORRECTIVE ACTION
The characters only appear on half of the
display.
Press the
“WEIGH”
button or remove one battery.
Wait five seconds, then re-install the
battery and try
the
“WEIGH”
button again.
The display lights appear to work, but do
not respond to button activation.
Check to ensure the membrane switch label is correctly
plugged into display board.
Check to ensure the calibration switch is not in the
Calibration Mode (Figure 12).
The display shows no reading at all.
Check to ensure batteries are installed correctly
(see
directions
for
BATTERY REPLACEMENT
).
Check display cable to make sure it is connected
securely.
The display feels loose when raising or
lowering.
Remove the black plastic plug located below the
display rotation assembly. Insert a 5/32” Allen Key and
slightly tighten the tensioning screw until the mast feels
“tight” again.
For additional information or assistance, telephone our Service Hotline: 1-800-654-6360