TROUBLESHOOTING

 

 

 

 

 

 

 

 

 

Problem

Probable cause

Corrective action

 

 

 

Nothing appears

Batteries are drained.

Replace all batteries with

in the display,

 

new ones. Alkaline batteries

even when the

 

recommended.

power is turned

Battery terminals

Reinstall the batteries with

on.

are not in the correct

negative and positive terminals

 

 

position.

matching those indicated in the

 

 

battery compartment.

The cuff does not

Battery voltage is

Replace all batteries with

inflate.

too low. Low battery

new ones. Alkaline batteries

 

symbol blinks. [If the

recommended.

 

batteries are drained

 

 

completely, the mark

 

 

does not appear.]

 

The unit does

The cuff is not fastened

Fasten the cuff correctly.

not measure.

properly.

 

Readings are too

 

 

high or too low.

You moved your arm

Make sure you remain very

 

or body during the

still and quiet during the

 

measurement.

measurement.

 

 

 

 

The cuff position is not

Sit comfortably and still. Make

 

correct.

sure the cuff is at the same level

 

 

as your heart.

The value is

The healthcare profes-

See Pg. E-13 "Answers to Why

different from

sional may be using a

Your Readings are Different

that measured

different sized cuff.

Between Home and at the

at a clinic or

 

Doctor's Office."

doctor’s office.

 

 

Your measurements

See Pg. E-12 "Why Measure Blood

 

 

may be elevated

Pressure at Home?"

 

by white coat

 

 

hypertension.

 

 

 

 

NOTE: If the actions described above do not solve the problem, call 1-888-726-9966. Do not attempt to repair the device yourself.

E-15

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LifeSource UB-521 manual Troubleshooting