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ACCESSORIES

1. Model 128EV 2 Channel wireless wall button

2. Model TX4EVS 4 Channel mini transmitter

3. Model 747EV Keyless entry system

4. Model 1702EV Outside quick release

5. Model 771EVK The Protector System

TM

(IR Beams)

6. Model 770E Infrared safety sensor

7. Model 829EV Door monitor

8. Model 828EV Internet gateway

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Battery of the remote control:

The batteries in the remote have a long life.

If the transmission range decreases, the batteries should be replaced. Batteries are not covered by the warranty.

Replacing battery (CR2032 or equivalent):

To replace the battery, turn the remote control around and open the case with a

screwdriver. Lift the cover and lift the control board. Slide the battery to one side and

remove the old battery. Be sure to observe the polarity of the battery.

Assemble the transmitter again following the steps in reverse.

REPLACE BATTERIES IN REMOTES

To prevent SERIOUS INJURY OR DEATH: observe the following instructions for the battery

- NEVER allow small children near batteries.

- If battery is swallowed, immediately notify a Doctor.

- Danger of explosion if battery is replaced improperly.

- Replacement only by identical or equivalent type.

- Dispose of old battery properly. Batteries should not be treated as household waste. All consumers

are required by law to dispose of batteries properly at the designated collection points.

- Never recharge batteries that are not meant to be recharged.

- Do not short-circuit batteries or take them apart.

- If necessary, clean contacts on batteries and contacts before loading.

- Never expose batteries to excessive heat such as sunshine, fire or the like!

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Summary of Contents for LM750EVGB

Page 1: ...ing Garage Door Opener Installation and Operating Instructions Keep these instructions for future reference LM750EVGB Chamberlain GmbH Alfred Nobel Strasse 4 66793 Saarwellingen Germany www liftmaster...

Page 2: ...rier on the ground the garage door MUST return Failure to properly adjust the door opener can result in serious personal injury from a closing garage door Repeat test once a month and make any needed...

Page 3: ...14 OPERATING YOUR OPENER 15 CARE OF YOUR OPENER 15 MAINTAINING YOUR OPENER 15 SPECIFICATIONS 15 ACCESSORIES 16 TROUBLESHOOTING 17 DIAGNOSTIC CHART 18 DECLARATION OF CONFORMITY 18 These instructions a...

Page 4: ...rtain to the edge of the bracket If the roller door drum wheel is on the edge of the curtain or is a smaller diameter additional clearance may be required Assemble the opener to the door axle and the...

Page 5: ...d Diagnostic code indicator Number 1 2 Program UP indicator 3 Diagnostic code indicator Number 2 7 Control Button Used to activate the door when remote controls are not available Open Stop Close 8 Cou...

Page 6: ...ected to the garage door Lift the door to about halfway and then release it The door should remain spring balanced Raise and lower the door to determine if there are any sticking or binding points 20...

Page 7: ...r is installed the handle should be no higher then 1 8 metres from the floor The cord may need to be extended for high door installations Do not disengage the opener to manual operation with children...

Page 8: ...les into the drive legs Align the holes on the extension poles with the holes on the drive legs Using the screws provided secure the extension poles Align the holes of the reinforcing brace with the t...

Page 9: ...le U Bolt and door mounting bracket from the wall Install the opener Slide the opener over the door axle and engage the drive legs into the door drum wheel either side of a spoke Refit the door mounti...

Page 10: ...il LED 3 will flash as well as LED 2 or LED 1 will flash For Right Hand setting LED 2 will flash and for Left Hand setting LED 1 will flash 2 To change to the opposite setting simply press the S butto...

Page 11: ...ting refer to section 14 Repeat the safety reverse system test 15 40 mm Test obstacle 40 mm 16 TESTING THE SAFETY REVERSE SYSTEM After installing the operator on the door the force measurement of the...

Page 12: ...h press DN button will reduce the count if needed Press and release the P button to accept this setting To deactivate the Timer to Close Start with the door fully CLOSED Press and Hold both P and DN b...

Page 13: ...ntilation mode 1 Start with the door fully CLOSED figure 1 Drive the opener UP and stop at the position required for you wish to set the door at 2 Enter ventilation activation mode by pressing the P a...

Page 14: ...re now erased 1 2 Flash x 2 BEEP DN DN UP UP P P S S 1 1 2 2 3 3 or Activate the opener only when door is in full view free of obstruction and properly adjusted No one should enter or leave the garage...

Page 15: ...the S button on the garage door opener 1 Connect the ethernet cable to the Liftmaster Internet Gateway and the router 2 Connect power to the Liftmater Internet Gateway 3 Create an online account on t...

Page 16: ...dby mode will need to be activated eg for using an external receiver To Activate NORMAL STANDBY mode Turn the mains power OFF Press and Hold both UP and DN buttons Turn ON mains power while both butto...

Page 17: ...ding call for professional garage door service Check to be sure that the door opens and closes fully Set the limits and or force if necessary SPECIAL NOTE Liftmaster strongly recommends that obstructi...

Page 18: ...side and remove the old battery Be sure to observe the polarity of the battery Assemble the transmitter again following the steps in reverse REPLACE BATTERIES IN REMOTES To prevent SERIOUS INJURY OR D...

Page 19: ...ener lights flash 10 times Check the obstruction detection beams if you have installed this accessory If the red light on the beam is flashing the alignment is incorrect The red light on the beams may...

Page 20: ...ure nothing is hanging or mounted on the door that would interrupt the sensors path while closing No RPM pulses have been detected Check the door manually for balance binding or obstructions Internall...

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