Omron Blood Pressure Monitor Manual HEM-FL31

The Omron HEM-FL31 is an automatic upper arm blood pressure monitor designed for home use. It features IntelliSense technology for accurate readings, a large LCD display, memory storage for multiple users, hypertension detection, body movement detection, irregular heartbeat detection, and a comfortable D-Ring cuff. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Precautions 3. Parts Identification 4. Setting Up the Monitor 5. Taking a Measurement 6. Memory Function 7. Understanding the Display 8. Error Messages & Troubleshooting 9. Care & Maintenance 10. Specifications 11. Warranty & Support

Features at a Glance

Key components: Main unit with LCD display, D-Ring Cuff, AC Adapter, Storage Case, Instruction Manual.

Feature	Description
IntelliSense Technology	Automatically inflates to the optimal pressure for accurate readings
D-Ring Cuff	Easy-to-wrap cuff for proper fit on upper arm (22-32 cm)
Memory Storage	Stores up to 14 readings for one user
Hypertension Indicator	Displays symbol if systolic/diastolic readings are high
Irregular Heartbeat Detection	Detects and displays symbol for irregular heartbeats during measurement
Body Movement Detection	Alerts if excessive movement is detected during measurement
Large LCD Display	Easy-to-read backlit display with clear icons
One-Touch Operation	Simple START/STOP button for easy use
AC Adapter Operation	Can be powered by AC adapter (included) or 4 AA batteries
Date & Time Stamp	Records date and time with each measurement

Safety Precautions

Before using the monitor, read all safety instructions carefully.

Do not use the monitor on infants, young children, or persons who cannot express themselves.
Do not use the monitor on an arm with an intravenous drip or shunt.
Do not use the monitor during dialysis.
Consult your physician before use if you have arrhythmia, arterial sclerosis, or poor circulation.
Do not modify the monitor or cuff.
Keep the monitor away from children and pets.

WARNING! This device is not a substitute for professional medical diagnosis. Consult your physician for interpretation of readings.

Parts Identification

Familiarize yourself with the main components of the monitor.

Main Unit: Contains LCD display, START/STOP button, MEMORY button, power port.
D-Ring Cuff: Wraps around upper arm with metal D-ring and cloth fastener.
Air Tube: Connects the cuff to the main unit.
AC Adapter Jack: For connecting the AC adapter (DC 6V).
Battery Compartment: Holds 4 AA batteries (not included).
Storage Case: For storing the monitor and accessories.

CAUTION! Do not bend or kink the air tube excessively.

Setting Up the Monitor

Prepare the monitor for first use.

Insert batteries: Open battery compartment, insert 4 AA batteries observing polarity, close cover.
Connect AC adapter: Plug adapter into DC 6V jack on monitor, then plug into wall outlet (optional).
Set date and time: Press and hold MEMORY button for 3 seconds, use START/STOP to adjust values.
Attach cuff: Connect cuff air plug to the air jack on the left side of the monitor until it clicks.

Tip: For most accurate readings, use AC adapter power or fresh alkaline batteries.

Taking a Measurement

Follow these steps for accurate blood pressure measurement.

Sit comfortably: Rest for 5 minutes before measuring. Sit with back straight, feet flat on floor.
Wrap the cuff: Place cuff on bare upper arm 1-2 cm above elbow. Tube should be centered over artery.
Position arm: Rest arm on table so cuff is at heart level. Palm should be facing up.
Start measurement: Press START/STOP button. Cuff will inflate automatically.
Remain still: Do not move or talk during measurement.
Read results: Systolic, diastolic, and pulse rate will display. Monitor will automatically deflate.
Power off: Unit turns off automatically 1 minute after last button press.

WARNING! Do not inflate cuff when not wrapped around arm. Do not take measurements more than 3 times in succession.

Memory Function

The monitor stores up to 14 readings with date and time.

View memory: Press MEMORY button to cycle through stored readings. Display shows reading number, systolic/diastolic values, pulse, date, and time.
Clear memory: To clear all memory, remove batteries or unplug AC adapter for 1 minute. All stored data will be erased.
Memory full: When 14 readings are stored, the oldest reading is automatically overwritten by the newest.

Note: Memory cannot be transferred to another device. For long-term tracking, record readings in a log.

Understanding the Display

The LCD display shows various icons and values.

Symbol	Meaning
SYS / DIA	Systolic / Diastolic pressure (mmHg)
Pulse Icon	Pulse rate (beats per minute)
Heart with !	Irregular heartbeat detected
Movement Icon	Excessive body movement detected
High Pressure Icon	Hypertension indicator (reading exceeds 135/85 mmHg)
Memory Icon	Memory recall mode active
Battery Icon	Battery level indicator (replace when empty)
Date & Time	Current date and time (if set)

Error Messages & Troubleshooting

Symptom / Error	Possible Cause	Corrective Action
Err C	Cuff not attached properly	Check cuff connection to monitor. Reattach firmly.
Err E	Measurement error	Ensure cuff is at heart level. Remain still and retry.
No display	Dead batteries / no power	Replace batteries or connect AC adapter.
Inaccurate reading	Improper cuff position	Wrap cuff correctly on bare arm at heart level.
Cuff won't inflate	Air leak / tube blockage	Check tube for kinks. Ensure cuff connection is secure.
Irregular heartbeat symbol	Possible arrhythmia	Consult your physician if symbol appears frequently.
Memory not working	Batteries removed	Memory clears when power is lost. Keep batteries installed.

Reset: Remove batteries for 1 minute to reset the device to factory settings.

Care & Maintenance

Proper care ensures long life and accurate readings.

Clean with soft, dry cloth only. Do not use alcohol, benzene, or abrasive cleaners.
Store in provided case in a cool, dry place away from direct sunlight and extreme temperatures.
Remove batteries if monitor will not be used for 3 months or longer.
Do not immerse monitor or cuff in water. Do not autoclave.
Inspect cuff periodically for cracks or tears. Replace if damaged.

CAUTION! Do not disassemble or attempt to repair the monitor. Contact authorized service.

Specifications

Model: HEM-FL31
Measurement Method: Oscillometric
Pressure Range: 0-299 mmHg
Pulse Range: 40-180 beats/minute
Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
Cuff Size: 22-32 cm (upper arm circumference)
Memory: 14 readings
Power Source: 4 x AA batteries (1.5V) or AC adapter (DC 6V, 600mA)
Battery Life: Approx. 300 measurements (alkaline batteries)
Dimensions: Main Unit: 123mm (W) x 85mm (H) x 141mm (D)
Weight: Approx. 350g (without batteries)
Operating Conditions: 10°C to 40°C, 30% to 85% RH

Warranty & Support

Omron Healthcare, Inc. warrants this device to be free from defects in materials and workmanship for a period of Five (5) Years from date of purchase when used according to instructions.

For Service or Support:

Omron Healthcare, Inc.
Customer Service: 1-800-634-4350
Website: www.omronhealthcare.com
Before requesting service, check troubleshooting guide and ensure proper usage.
Have model number (HEM-FL31) and date of purchase ready when contacting support.

Note: This warranty does not cover damage from misuse, accident, unauthorized repair, or normal wear of the cuff.