Genie Chainlift 2020 Manual De Operación Y Mantenimiento página 10

Setting Force Controls and Final Adjustment of
Limit Switches (continued)
• The garage door opens rapidly, and can cause serious
injury or death.
• Keep the path clear.
• Position the ladder to the side of the Power Head so it is
clear of all moving parts of the Opener and the door.
• Set the door Opener to use the minimum force needed
to open the door.
B 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 15 & 16.
C Run Door Opener
• Cycle opener a few times to double check settings.
Repeat adjustment steps as necessary.
C
H 2:
A
DJUSTMENT
Limit Switch and Force Adjustments must be completed
before checking the contact reverse function (Figure 10).
A Open garage door using Wall Console.
B Lay a 2" x 4" board flat in center of doorway.
C Close door using Wall Console.
D Check that door stops and reverses within 2 seconds after it
contacts board:
• If door does not reverse, decrease Close Force until
door reverses.
• If door still does not reverse, move Limit Switch
toward door.
E Check Safe-T-Beam® System operation:
• If beam is blocked, door will not close.
10
WARNING
S C
ETTING ONTACT
R F
EVERSE UNCTION
NOTE
6
LIMIT
SET
OPEN
FORCE
MORE
CLOSE
FORCE
FORCE
RADIO
SIGNAL
LEARN
CODE
Figure 9 Locate controls
The door must contact the 2" x 4" board before the
Carriage activates the Close Limit Switch. If not,
readjust the Close Limit Switch.
Figure 10 Checking Contact Reverse
For Help, call 1-800-35-GENIE or visit www.geniecompany.com
NOTE
2" x 4" board
laid flat
NEC
CLASS 2
PUSH
1
BUTTON
2
COM
SAFETY 3
BEAM
4
DO NOT
PUSH
5
LIMIT SET
UNLESS
DOOR IS
ATTACHED
6
LIMIT
SET
OPEN
FORCE
MORE
CLOSE
FORCE
FORCE
RADIO
SIGNAL
LEARN
CODE