Operation - Ryobi GDM920 Operator's Manual

USING THE CARBON MONOXIDE ALARM
ACCESSORY
See Figure 3, page 17.
 After the Carbon Monoxide Alarm is installed, the alarm
can be tested or reset by pressing the number on the
keypad that cooresponds to the accessory port location.
NOTE: To test or reset your Carbon Monoxide Alarm,
press the keypad number for the corresponding acces-
sory port once.
 After the accessory is installed, the unit will beep once
and flash green and yellow every two seconds for thirty
seconds, then steady green light to indicate normal op-
eration.
 Unit will flash green once every 30 seconds if running
only on batteries.
NOTE: You can install the Carbon Monoxide Alarm symbol
label ( ) on the corresponding numbered location on your
indoor keypad.
USING RESET FEATURE
WARNING:
NEVER remove the Carbon Monoxide Alarm from the
garage door opener or the backup batteries to quiet an
unwanted alarm. Removing the alarm from the garage
door opener or removing the backup batteries disables
the alarm and removes your protection.The Reset Fea-
ture is intended to temporarily silence the alarm while
you identify and correct the problem. Always check your
home for a potential CO problem after any alarm. The
Reset Feature is for your convenience only and will not
correct a potential CO problem.
WARNING:
DO NOT use Reset Feature during emergency situations.
Identify the source of the CO and be certain a safe condi-
tion exists.
 Press the Reset/Test button on the bottom of the Carbon
Monoxide Alarm or on the indoor keypad button corre-
sponding to the Carbon Monoxide Alarm port location
for several seconds. After the Reset/Test button or the
indoor keypad button is released, both FAULT yellow and
OPERATE green flash once, followed by OPERATE light
continuous green and the alarm will be silent.
NOTE: Unit will alarm again if the CO concentration is
still greater than 50 ppm within six minutes.

OPERATION

TESTING YOUR CARBON MONOXIDE ALARM
WARNING:
NEVER use vehicle, generator or small engine exhaust or
an open flame of any kind to test this alarm. You might
accidentally damage or set fire to the alarm or to your
home. The built-in test switch accurately tests the unit's
operation as required by Underwriters Laboratories, Inc.
(UL).
WARNING:
DO NOT stand close to the alarm when the horn is sound-
ing. Exposure at close range may be harmful to your hear-
ing. When testing, step away when horn starts sounding.
Test monthly:
It is important to test this unit every month to make sure it is
working properly. Using the test button is the recommended
way to test this CO Alarm. You can test this CO Alarm by
pressing and holding the Reset/Test button on the bottom
of the alarm or the indoor keypad button corresponding
to the Carbon Monoxide Alarm location until the until the
alarm sounds and the alarm light flashes red. The alarm
will sound 4 beeps, pause, 4 beeps and the alarm light will
flash red in sync with the alarm. If the unit does not alarm,
make sure the power is ON and the backup batteries are
correctly installed, and test again. If the unit still does not
alarm, replace it immediately.
NOTE: The yellow FAULT and green OPERATE LED lights
will remain on during the test.
VISUAL AND AUDIBLE ALERT SIGNALS
WARNING:
The unit will beep and the LED will flash red once every
40 seconds to indicate the unit is at end of life. End of
life is based on 3 years from date of manufacture, the
REPLACE BY date is indicated on the back of the unit.
REPLACE IMMEDIATELY! THE ALARM WILL NOT
DETECT CO GAS.
 Normal operation:
• Lights: LED OPERATE light is a continuous green
• Alarm: The alarm is silent.
 If operating using backup batteries for power:
• Lights: LED OPERATE light flashes green every 30
seconds
• Alarm: The alarm is silent.
11 — English