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ERROR INDICATORS
Error Symbol Cause Correction
If you continue to have difficulty obtaining a reading, call OMRON HEALTHCARE
CUSTOMER SERVICE TOLL FREE 1-800-634-4350. Please tell the representative
you have a Omron Model HEM-412C Manual Inflation Blood Pressure Monitor.
Cuff under-inflated.
Wait 10 minutes before
taking another measurement.
Repeat steps listed under
“How To Tke a Reading”,
but manually inflate the
cuff 40 mmHg higher
than the previous
inflation value.
Replace all 4 four
“AAA” batteries.
Batteries have run down.
Cuff over-inflated
(more than 300 mmHg.)
Residual air pressure
in cuff.
Movement
during measurement.
No pulse or blood
pressure reading due
to very weak artery pulse.
Carefully read and repeat
steps linsted under “How
to Take a Reading.”