Ryobi GDM920 Operator's Manual page 12

 To test the CO Alarm monthly:
• Lights: LED ALARM light flashes red four times.
The sequence will repeat once, then both FAULT
yellow and OPERATE green flash once, followed by
OPERATE light continuous green.
• Alarm: The alarm will sound four times, repeat and
then silent.
 CO alarm:
• Lights: The LED ALARM light will flash red four
times every five seconds for four minutes and then
four times per minute repeating.
• Alarm: The alarm will sound four times every five
seconds for four minutes and then four times per
minute repeating.
NOTE: Alarm response time: 400 ppm within 4-15 minutes.
 Low backup battery:
• Lights: LED FAULT light will flash yellow twice every
40 seconds.
• Alarm: The alarm beep twice every 40 seconds.
 Fault:
• Lights: LED FAULT light will remain steady yellow
• Alarm: The alarm will beep once every 40 seconds.
 Reset CO alarm:
• Lights: Both LED FAULT yellow and OPERATE
green flash once, followed by OPERATE light con-
tinuous green.
• Alarm: The alarm is silenced.
NOTE: Unit will alarm again if the CO concentration is still
greater than 50 ppm within 6 minutes.
 End of life:
The end of life for this alarm is three (3) years after the date
of manufacture.
• Lights: The LED ALARM light will flash red once
every 40 seconds.
• Alarm: The alarm will sound once every 40 seconds.
OPERATION
LED AND ALERT FUNCTIONS
See Figure 4, page 17.
Mode
Power On Flash GREEN and
CO
Detected
Test
Reset
Normal
Operation
Low
battery
Fault
End of
Life
RYOBI GARAGE DOOR OPENER
ACCESSORY SYSTEM APP
NOTE: A Wi-Fi router connected to the internet is required
to use the smart phone app.
WARNING:
You will not be able to open your garage door or receive
other information from the accessories, including your
Carbon Monoxide Alarm, if your home's Wi-Fi connection
with your accessories is not connected or functioning
properly.
 Download the Ryobi Garage Door Opener Accessory
System App.
 Create an account.
 Sync the account to your garage door opener and home
Wi-Fi network as described in the garage door opener
manual.
 In the event of either high levels of carbon monoxide or
high temperature, you should receive a notification or
warning on your smartphone.
12 — English
Indicator Operation
LED Alarm
Beep 1 time.
YELLOW every 2s,
then steady green.
Flash RED 4 times ev- Beep 4 times every
ery 5s for 4 min, then 5s for 4 min, then
Flash RED 4 times per Beep 4 times per
min while CO levels min while CO levels
are dangerous. are dangerous.
Flash RED 4 times, Beep 4 times, 5s si-
5s silence, repeats lence, repeats once.
once. YELLOW and
GREEN remain on.
Flash YELLOW once, Silence any beeping.
then flash GREEN
once.
Steady GREEN, No audible alert.
Flash GREEN every
30s if running on bat-
tery power.
Flash YELLOW 2 Beep 2 times every
times every 40s. 40s.
Steady YELLOW. Beep 1 time every
40s.
Flash RED 1 time Beep 1 time every 40
every 40 seconds. seconds.