Orno OR-DC-619 Quick Start Manual

1

Remove the three enclosed AA batteries
and install them into the battery box.
Observe the battery polarity markings at
the bottom of the battery box.

When the batteries are first installed, the unit will beep one time and
the red , green and yellow LEDs will flash one by one. “888 ppm” will
be displayed with blue backlight. After approximately 1 minute -2
minutes, the display and backlight will be off and the green light will
flash every 4 seconds indicating that the unit is operational. Fit on
battery cover. Your CO detector is now operational.

Carbon Monoxide Detector (Digital Display)

Model Number: OR-DC-619

Specifications:

Alarm Condition: EN50291 -1:2010 +A1:2012
Sensor: “ECO-cell” Electrochemical carbon monoxide sensor with more than 7

years lifetime

Power: 3 x1.5V AA alkaline batteries
Temperature: Operating range -20°C to 50°C
Humidity: Operating range 5%-100% relative humidity.
Mounting: Accessories supplied for wall mounting
Alarm: 85+ dB on 1m @ 3.4 ± 0.5 KHz pulsing alarm
Test/Reset Button: Test button verifies proper unit operation.
Accuracy of Digital Display: 25-999 ppm (±15%) when measured in condition

of 20˚C (±5˚C). Atmosphere pressure ±10% and 40% (±5%) relative humidity.

Size & Weight: 122mm×77mm×35mm /120g without battery
Sensor Life Time: six years from first powered on but no longer then seven

years from production date printed on back side of unit.
Warranty: Six-year limited warranty from date of purchase against defects in
material and workmanship on CO detector unit.

Quick Set Up

Caution: Please do not press the test/reset button when you
install the batteries!!!

2

LCD Display

LCD Display
Shows

Alarm Sound

Units Status

Recommendation

“for example”

A display of CO
concentration
from 30-999 ppm.
Blue backlight is
lighted. Red LED
flashes.

4 quick beeps,
Repeated every
5 seconds.

Concentration
of CO
detected.
Alarm
condition.

Refer to “What to

do When the
Alarm

Sounds”.

“ttt” displayed on

the LCD. Red
LED, Green LED,
Yellow LED will
flash one by one.

One short beep
on the beginning
of self-test.

“ttt” means the
detector is on
self-testing.

If the status of the
detector is normal,
the LCD will
display “PAS”.
If the status is
unnormal, “Err” will
be displayed with
two short beeps
every 60 seconds.

Brief “888 ppm”
for
approximately
1minute~2minute
s. Blue backlight
led is lighted at
the same time.

None.
(beep one time
when install
batteries is
normal )

Self test when
first powered
up.

CO has not been
detected.
Numbers shown
for test purpose
only.

Display is blank.
Green LED
flashes every 4
seconds.

None.

Normal DC
operation with
good batteries.
(now detecting
CO)

None.

“Lb” displayed.
Yellow LED
flashes every 60
seconds.

One quick beep
every 60
seconds

Batteries need
to be replaced.

Replace all three
AA batteries
immediately.

“Err” displayed
Yellow LED
flashes every 60
seconds.

Two quick beeps
every 60
seconds.

Unit is Error
condition.

Unit has
malfunctioned.
Replace
immediately.

“HHH” displayed
Blue backlight is
lighted. Red LED
flashes.

4 quick beeps,
Repeated every
5 seconds.

Concentration
s of CO is
more than 999
ppm.

MOVE TO

FRESH AIR
IMMEDIATELLY!!!

“End” displayed.
Red LED flashes
every 20 seconds.

Two quick beeps
every 20
seconds.

End of unit life.
About 72
months
from first
powered
on.

Replace unit
immediately.

Operating and Alarm Characteristics