A&D UB-512 manual Troubleshooting, Problem Probable cause Corrective action

TROUBLESHOOTING

Problem	Probable cause	Corrective action
Nothing appears in	Batteries are drained.	Replace all batteries with new ones.
the display, even		Alkaline batteries recommended.
when the power is
	Battery terminals are not in	Reinstall the batteries with negative
turned on.
	the correct position.	and positive terminals matching those
		indicated in the battery compartment.
The cuff does not	Battery voltage is too low.	Replace all batteries with new ones.
inflate.	Low battery symbol blinks.	Alkaline batteries recommended.
	[If the batteries are drained
	completely, the mark does
	not appear.]
The unit does not	The cuff is not fastened	Fasten the cuff correctly.
	properly.
measure. Readings
are too high or too	You moved your arm	Make sure you remain very still and
low.	or body during the	quiet during the measurement.
	measurement.
	The cuff position is not	Sit comfortably and still. Make sure
	correct.	the cuff is at the same level as your
		heart.
	Taking too many readings	Relax five minutes before each
	on the same arm in a short	measurement.
	period of time.
The value is	The healthcare professional	See Pg. E-14 "Answers to Why Your
	may be using a different	Readings Are Different Between Home
different from that
	sized cuff.	and the Doctor’s Office."
measured at a clinic
	Your measurements may	See Pg. E-13 "Why Measure Blood
or doctor’s office.
	be elevated by white coat	Pressure at Home."
	hypertension.

	NOTE: If the actions described above do not solve the problem, call
	1-888-726-9966 (In Canada - 1-800-461-0991). Do not attempt to
	repair the device yourself.
E-16	LifeSource Health Line (Toll-Free): 1-888-726-9966