Omron HEM FL31 Manual

The Omron HEM FL31 is a fully automatic upper arm blood pressure monitor with IntelliSense technology, irregular heartbeat detection, hypertension indicator, body movement detection, and a large LCD display with backlight. It features one-touch operation, memory storage for up to 60 readings with date and time, and an adjustable wide-range D-ring cuff (22-42 cm). Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Main unit, Wide-range D-ring cuff, AC adapter, Instruction manual, Storage case.

Feature	Description
IntelliSense Technology	Automatically inflates to optimal pressure for comfortable measurement
Irregular Heartbeat Detection	Detects and displays irregular heartbeat during measurement
Hypertension Indicator	Displays warning symbol if systolic/diastolic readings are high
Body Movement Detection	Alerts if excessive movement is detected during measurement
Memory Function	Stores up to 60 readings with date and time stamp
Large LCD with Backlight	Easy-to-read display for day or night use
One-Touch Operation	Simple START/STOP button for easy use
Adjustable Cuff	Wide-range D-ring cuff fits arms 22-42 cm in circumference
AC Adapter Operation	Can be powered by AC adapter (included) or 4 AA batteries
Automatic Power Off	Conserves battery life by turning off after 1 minute of inactivity

Package Contents

Unpack and verify all components are present.

1. HEM FL31 Blood Pressure Monitor (main unit)
2. Wide-range D-ring cuff (22-42 cm)
3. AC adapter (model EA-AC10)
4. Instruction manual (this document)
5. Storage case
6. Quick start guide

WARNING! Do not use if any components are damaged or missing. Contact customer service for replacement parts.

Device Overview

Familiarize yourself with the device controls and display.

1. Front Panel: START/STOP button, MEMORY button, POWER button.
2. Display: Shows systolic/diastolic pressure, pulse rate, date/time, memory index, and icons for irregular heartbeat, hypertension, and body movement.
3. Cuff Connector: Air plug connection point on left side of unit.
4. AC Adapter Jack: Located on right side of unit.
5. Battery Compartment: Holds 4 AA batteries on back of unit.

CAUTION! Keep device away from water and extreme temperatures. Store in provided case when not in use.

Specifications

• Measurement Method: Oscillometric method
• Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-180 beats/minute
• Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
• Memory: 60 sets of measurements with date and time
• Cuff Pressure: Max. 299 mmHg
• Power Source: AC adapter (DC 6V) or 4 AA batteries
• Operating Conditions: Temperature: 10°C to 40°C, Humidity: 30% to 85% RH
• Storage Conditions: Temperature: -20°C to 60°C, Humidity: 10% to 95% RH
• Dimensions: Main unit: 132mm (W) × 119mm (H) × 49mm (D)
• Weight: Approximately 350g (without batteries)

Initial Setup

Prepare device for first use.

1. Insert batteries: Open battery compartment on back, insert 4 AA batteries observing polarity.
2. Connect AC adapter: Plug into AC jack on right side (optional, for home use).
3. Set date and time: Press and hold MEMORY button for 3 seconds, use START/STOP to adjust.
4. Attach cuff: Connect air plug to cuff connector until it clicks.

Tip: For most accurate readings, use AC adapter when available. Replace batteries when low battery icon appears.

Taking a Measurement

Follow these steps for accurate blood pressure measurement.

1. Sit comfortably with back straight and feet flat on floor.
2. Rest for 5 minutes before measuring.
3. Wrap cuff on bare upper arm 1-2 cm above elbow.
4. Position cuff at heart level.
5. Press START/STOP button to begin measurement.
6. Remain still and quiet during inflation and measurement.
7. Readings display automatically when complete.
8. Press START/STOP again to turn off, or unit auto-powers off after 1 minute.

WARNING! Do not take measurements immediately after eating, bathing, exercising, or consuming caffeine/alcohol. Wait at least 30 minutes.

Memory Function

Device stores up to 60 readings with date and time.

1. View memory: Press MEMORY button to cycle through stored readings.
2. Memory index: Shows which reading is displayed (1-60).
3. Average reading: Displays average of last 3 readings taken in last 10 minutes.
4. Clear memory: Press and hold MEMORY button while in memory mode for 5 seconds.

Note: When memory is full, oldest reading is automatically deleted to store new reading.

Understanding the Display

Icons and symbols on the LCD screen.

Symbol	Meaning
Heart with !	Irregular heartbeat detected during measurement
Upward arrow	Hypertension indicator (reading above normal range)
Person moving	Body movement detected during measurement
Battery icon	Low battery warning (replace batteries)
Memory number	Indicates which stored reading is displayed (1-60)
Clock symbol	Date and time display
Average symbol	Average of last 3 readings

Care & Maintenance

Proper care ensures accurate measurements and long device life.

1. Clean cuff with mild soap and damp cloth; air dry completely.
2. Wipe main unit with dry, soft cloth.
3. Do not immerse in water or use harsh chemicals.
4. Store in provided case in cool, dry place.
5. Remove batteries if not using for extended period.
6. Avoid dropping or subjecting to strong impacts.

CAUTION! Do not wash cuff in washing machine or use bleach. Do not expose to direct sunlight for prolonged periods.

Error Messages

Display	Meaning	Action
E1	Cuff not properly attached or air leak	Check cuff connection; ensure tight fit
E2	Measurement error (excessive movement)	Remain still and retry measurement
E3	Pulse rate outside measurable range	Rest and retry; consult physician if persistent
E4	Pressure exceeds 299 mmHg	Relax and retry; consult physician
E5	Device malfunction	Contact customer service

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead batteries	Replace all 4 AA batteries; check polarity
Inaccurate readings	Wrong cuff position	Ensure cuff at heart level; proper tightness
Cuff doesn't inflate	Air leak or blockage	Check tubing connections; ensure no kinks
Memory not working	Battery removal	Memory clears when batteries removed; use AC adapter
Error messages frequent	User movement	Sit still during measurement; avoid talking
Display dim	Low battery	Replace batteries or use AC adapter

Reset: Remove batteries for 5 minutes, then reinsert to reset device.

Service: For technical support, contact Omron Healthcare at 1-800-634-4350 or visit www.omronhealthcare.com