Genie GPOWER 900 Garage Door Opener User Manual


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Maintenance and Adjustments
6
If you have any questions, please do not hesitate to contact customer
service at: 1-800-35-GENIE or visit www.geniecompany.com
IMPORTANT SAFETY INSTRUCTIONS
REGULAR MAINTENANCE
Basic monthly maintenance tasks include:
•ContactReverse
•Safe-T-Beam®SystemCheck
•Doorbalance
•Lubricatedoorhardware
A. Contact Reverse Test
See page 9.
B. Safe-T-Beam
®
(STB) System Check
Check that both the RED and GREEN LEDs are ON steady. This
indicates the system is working properly. If both LEDs are not ON
steady, check the appropriate items below:
•STBredLEDashes.
– Check for obstruction.
– Check alignment.
– Verify wire routing from STBs to STB connection in powerhead
– Check for signal interference from another Safe-T-Beam
®
unit
(for multiple door installations).
•NoSTBredorgreenLEDdisplayed.
– Check wiring and wire connections.
If the system appears to be working properly, perform the check as
follows:
1. Start the door closing.
2. Pass an object through the beam. The door should stop and
reverse to the fully open position.
C. Door Balance (Spring Tension)
Perform the check as follows:
•Withthedoorclosed,pullmanualemergencyreleasehandle
DOWN and let go to release door carriage assembly from drive
system.
•Raiseandlowerthedoormanually—itshouldmovefreelyand
smoothly.
•Raisedoormanuallyabout3'to4'feetandletgo.
– Door should remain stationary or move very slowly.
– If door moves quickly, CONTACT A TRAINED DOOR SYSTEM
TECHNICIAN to have your door springs serviced.
•Closethedoor.
(continued next page)
WARNING
TO REDUCE THE RISK OF SEVERE INJURY OR DEATH, READ
AND FOLLOW ALL INSTRUCTIONS.
1. NEVER let children operate or play with the door controls.
2. Keep remote away from children.
3. ALWAYS keep the moving door in sight and away from people
and objects until door is completely closed. NO ONE SHOULD
CROSS THE PATH OF THE MOVING DOOR.
4. NEVER GO UNDER A STOPPED, PARTIALLY OPEN DOOR.
5. Test opener monthly. The door MUST reverse on contact with a
1-1/2" high object (or a 2" x 4" board laid flat) at the center of
doorway on the floor. After adjusting either the force or limit of
travel, retest door opener. Failure to adjust the opener properly
may cause severe injury or death.
6. When possible, use emergency release only when door is
closed. Use caution when using this release with the door open.
Weak or broken springs are capable of increasing the rate of
door closure and increasing the risk of severe injury or death.
7. KEEP DOORS PROPERLY BALANCED. See your garage door
Owner’s Manual. An improperly balanced door increases the
risk of severe injury or death. Have a trained door system
technician make repairs to cables, spring assemblies, and
other hardware.
SAVE THESE INSTRUCTIONS
WARNING
• Garagedoorhardware(springs,cables,brackets,pulleys,etc.)
are under extreme pressure and tension.
• DO NOT attempt to repair or adjust door springs or any hardware,
and DO NOT OPERATE garage door automatically or manually if
door is improperly balance or springs are broken.
• CONTACT A TRAINED DOOR SYSTEM TECHNICIAN.
WARNING
Use of any other wall control can cause unexpected operation of
the door and loss of lighting feature. Locate wall console within
sight of door and far enough from door to prevent contacting it
while operating the console. Control must be at least 5 feet above
floor to prevent small children from operating it.
3' - 4'
Sectional Door
3' - 4'
One-Piece Door
16
G999-393 Manual-ScrewBeltChain-EN indd 16 7/13/12 10 17 AM
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