Troubleshooting - LifeSource UB-351 Instruction Manual

Problem
Nothing appears in the
display, even when the
power is turned on.
The cuff does not
inflate.
The unit does not
measure. Readings are
too high or too low.
NOTE: If the actions described above do not solve the problem, call
1-888-726-9966. Do not attempt to repair the device yourself.
In Canada - Auto Control Medical (Toll-Free): 1-800-461-0991

TROUBLESHOOTING

Probable Cause
Batteries are drained.
Battery terminals are not
in the correct position.
Battery voltage is too low.
Low battery symbol
blinks. [If the batteries are
drained completely, the
mark does not appear.]
The cuff is not fastened
properly.
You moved your arm or
body during the
measurement.
The cuff position is not
correct.
Corrective
Action
Replace all batteries
with new ones. Alkaline
batteries recommended.
Reinstall the batteries
with negative and posi-
tive terminals matching
those indicated in the
battery compartment.
Replace all batteries
with new ones. Alkaline
batteries recommended.
Fasten the cuff correctly.
Make sure you remain
very still and quiet dur-
ing the measurement.
Sit comfortably and
still. Make sure the cuff
is at the same level as
your heart.
E-13