Adjustments - Genie 2020L Series Operation And Maintenance Manual

_DJUSTMENTS
SET LIMIT SWITCHES AND
FORCE CONTROLS
Coarse Setting of Limit Switches
A Setting Close Limit Switch
. Check that Carriage Assembly is disengaged.
. With garage door fully closed, slide Close Limit Switch
until it is aligned with the center of the
Carriage Assembly.
. Tighten Set Screw. Do Not over-tighten.
B Setting Open Limit Switch
. Manually open garage door to full open position.
. Slide Open Limit Switch until it is aligned with the center
of the Carriage Assembly.
. Tighten Set Screw. Do not over-tighten.
. Re-engage Carriage Assembly.
Setting Force Controls and Final Adjustment of
Limit Switches
i, The garage door opens rapidlyi and Cancause serious
: injury or deathl
; Keep the path Clear:
' Position the ladde[ to the Side of the Power Head Soit iS
Clear ofall moving parts ofthe Opener and the door,
Set the dooi Opener to use the minimum force needed
to open the door.
CLOSE ADJUSTMENT
On front panel of Power Head find adjusting screw
marked "CLOSE" (Figure 9).
• Gently turn screw counterclockwise until it stops.
- Very little force is required to turn adjusting screw.
• Press Wall Console to close garage door.
- Observe if door stops at "CLOSE" limit switch.
If door is fully closed--adjustment is finished.
Go to "OPEN" Adjustment.
- If door stops but is not fully closed,
a. Measure distance between bottom of door
and floor.
b. Move "CLOSE" Limit Switch that same distance
toward door.
- If door stops and/or reverses before reaching the
"CLOSE" Limit Switch
a. Slightly increase CLOSE Force setting (clockwise).
- If door reverses after contacting floor, move Limit
Switch toward Power Head.
- If door fails to move, check Safe-T-Beam ® System. See
Troubleshooting Section, pages 10 and 11.
A
o
NOTE
• Little effort isrequiredto turn the ForceAdjusting Knobs.
• If the door stops moving while opening or closing, adjust the
Open Force or Close Force Controls slightly clockwise (to
slightly increasethe force) and retry the step.
• The Open Force and Close Force Controls are to be set to the
minimum force necessaryto ensure the door smoothly opens
and closescompletely.
• Ensurethe CarriageAssembly is engaged and is between the
two Limit Switches before operating the Opener.
The garage d0oi Opensrapidly; and can cause Sei Ous
injury Ordeath:
Keepthe path clear:
Position the ladder to the side Ofthe Power Head so it
is € earof al! mo_ing parts of the Opener and the door
i; Set the door opener to usethe minimum force needed
to open the door:
IB OPEN ADJUSTMENT
• On front panel of Power Head find adjusting
screw marked "OPEN" (Figure 9).
• Gently turn screw counterclockwise until it stops.
- Very little force is required to turn
adjusting screw.
• Press Wall Console to open garage door.
- Observe if door stops at "OPEN" limit switch.
If door is fully open--adjustment is finished.
- If door stops but is not fully open,
a. Measure distance between bottom of
door and top of door opening.
b. Move"OPEN" Limit Switch that same
distance toward Power Head.
- If door stops before reaching the "OPEN"
Limit Switch
a. Slightly increase OPEN Force
setting (clockwise).
- If door fails to move, see Troubleshooting
Section, pages 10 & 11.
C Run Door Opener
• Cycle opener a few times to double check
settings. Repeat adjustment steps as necessary.
OPEN
FORCE ...
LOCATED
UNDER
LIGHT
COVER
CLOSE /
FORCE
CLASS 2 SUPPLY
18-30 VOLTS
Figure 9 Making Force Adjustments
(Located Lower Right Corner).
For Help, call 1-800-35=GENIE or visit www.geniecompany.com
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