Limit Switches & Force Adjustment; Setting & Testing Open/Close Limits - Overhead door 1026 User Manual

6
DOOR LIMITS
WARNING
• Severe injury or death can result if the door
closing force is set too high.
• Never increase the door closing force above the
minimum required to move the door.
• Never adjust force to compensate for a sticking
or binding door.
• Once per month perform CONTACT REVERSE
TEST as described on page 21 and in
Section 10.
SETTING & TESTING OPEN/CLOSE LIMITS
The OPEN (UP) and CLOSE (DOWN) door positions
are controlled by making the adjustments on the
panel located on the bottom of the power head. The
adjustments that can be made are:
• Close Travel Limit,
• Open Travel Limit,
Adjust Closing Force
Adjust Opening Force
Transmitter Programming
A) ENGAGE CHAIN/BELT CONNECTOR
TO CARRIAGE
1. Press and hold the "Close Travel Limit"
until the chain or belt advances and engages to
the Carriage Assembly (FIG 6-2).
B) CLOSE TRAVEL LIMIT
1. Press and hold the "Close Travel Limit"
until the door is fully closed.
2. You can quickly press and release the "Close
Travel Limit" button to move the door in small
increments. You can also use the "Open Travel
Limit" button to move the door slightly in the
UP direction.
3. Door is fully closed when the bottom edge of door
presses firmly onto the ground.
4. Once the door is in the desired position, press and
release the "Close SET Limit"
seconds. The LED indicator light will blink green
once. This stores the closed position in memory.
C) OPEN TRAVEL LIMIT
1. Press and hold the "Open Travel Limit"
to move the door to its fully opened position. This
starts the opener moving in the UP direction.
2. Hold the "Open Travel Limit"
door is in the fully opened position that you desire,
then release this button.
3. You can quickly press and release the "Open
Travel Limit" button to move the door in small
increments. You can also use the "Close Travel
Limit" button to move the door slightly in the
DOWN direction.
4. Once the door is in the desired position, press
and release the "Open SET Limit"
seconds. The LED indicator light will blink green
twice. This stores the opened position in memory.
NOTE: Set Close Travel
Limit before setting Open
Travel Limit for unit to
operate normally. Unless
limits are being reset do not
press set limit buttons.
Garage Door
button
FIG. 6-1
Failure to verify the engagement of the belt/chain
button
connector will result in damage to rail components.
button for 5
SET
button
button until the
FIG. 6-2
button for 5
SET
Operation of the opener without the Chain or Belt
Connector engaged to the Carriage Assembly will
result in damage to rail components including the
rail pulley.
PN# 3642136212, 02/26/2010
FOR HELP-1.800.929.3667 OR WWW.OVERHEADDOOR.COM
LED
Open
Indicator Light
Travel Limit
To
LEARN MANUAL
Learn
Code
CODE
Close
Button
Travel Limit
Limit controls.
CAUTION
Chain Connector
Belt Connector
Engage Chain/Belt Connector to Carriage.
CAUTION
REV. 1
Limit Controls location
on power head.
Open
Set Limit
Up Force
Button
Control
OPEN
Adjustment
SET
LIMIT FORCE
SET
CLOSE
Close
Down Force
Set Limit
Control
Button
Adjustment
Latch
Movement
Carriage Assembly
Latch
Movement
Latch
Movement
Carriage Assembly
Latch
Movement
19