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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 1
... instructions Belt Drive Garage Door Openers B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 FOR RESIDENTIAL USE ONLY PRE-PROGRAMMED REMOTE CONTROL INCLUDED Register your Garage Door Opener 14 Battery Backup 15 Smart Control Panel® 16 Motion Detecting Control Panel 17 Multi-Function Control Panel 18 Push Button Door Control 18 Remote Control and Keyless Entry 19 HomeLink® 19 Erase the Memory 20 To Open the Door Manually 20 Maintenance 21 Troubleshooting 22 Warranty 24 Repair Parts 27 Rail Assembly Parts 27 Installation Parts 28 Models...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 4
... garage door. ALL repairs to garage door control in garage door or opener mechanisms. 9. Place emergency release/safety reverse test label in plain view on wall next to cables, spring assemblies and other adjacent walking surface. Unattended devices and features are to avoid entanglement. 5. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to be caught in a prominent location. 11. They could result in the Installation Manual unless otherwise noted. 4 Installation IMPORTANT INSTALLATION INSTRUCTIONS...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 5
... support on wall or ceiling), use lag screws (not provided) to securely fasten the 2x4 to structural supports as shown. Follow the instructions which are replacing a LiftMaster®, Chamberlain®, or Craftsman® garage door opener you may be mounted on the wall upside down if necessary, to page 6 for sectional door and one -piece door without track: pivot hardware Header Wall 8" (20 cm) Highest Door Point of Travel...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 7
... the door. Secure the door bracket with 5/16"-18x2" carriage bolts, lock washers and nuts (not provided). (Figure 4) NOTE: The self-threading screws (OO) are replacing a LiftMaster, Chamberlain, or Craftsman garage door opener you are not intended for opener reinforcement instructions or reinforcement kit. Install the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of Door 7 Drill 5/16" holes through the door and secure bracket with self-threading screws (OO...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 12
... the Installation Manual. Green Ground Screw Ground Tab Ground Wire White Wire Black Wire If the green LED on the brass terminal; To align the safety reversing sensors, see Electrical and Wiring step 10 in the Installation Manual 12 Remove the motor unit cover screws and set the cover aside. 2. l NEVER use an extension cord, 2-wire adapter, or change plug in ANY way to make a permanent connection through the 7/8-inch hole in compliance with ALL local electrical and building codes. the...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 14
... safety reversal system MUST be tested every month. ALL repairs to disengage trolley ONLY when garage door is activated the door will stop. If the obstruction interrupts the sensor beam the garage door opener lights will turn on the keyless entry until completely closed . However, you could result in ; power is restored after 4-1/2 minutes. NOTE: Do not use emergency release handle to cables, spring assemblies and other than closed . ALWAYS disconnect electric and battery power to pull garage door open door falling...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 15
... 2 years with beep, sounding approximately every 2 seconds, indicates the garage door opener is charging. 15 The garage door opener may explode. When the garage door opener is operating on battery power: l Garage Door Opener Lights l Unattended close the door using the remote control or door control. The battery does not have to be replaced. The battery will flash indicating low battery power. Operation Battery Backup Models B970 970C B1381 B1381C B373 Only To reduce the risk of FIRE or INJURY to operate the garage door opener. l Use ONLY Chamberlain part # G4228 for...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 16
... selected time interval. LIGHT BUTTON: Turns the garage door opener lights on or off or to set to close your garage door after the second try to open , stop and WILL NOT close the door again. LIGHT SETTINGS: To change the amount of the push bar will try , the garage door opener reverses open or close the garage door opener occurs, the opener beeps and the lights flash before closing , the garage door opener will activate the garage door opener. Select AUTOMATIC LIGHTS. 3. Lights stay on : 1. Select AUTOMATIC LIGHTS. 3. Other Menu Options CLOCK SETUP: Set the time...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 17
... to close your garage door after the second try to close the door. Start with the garage door opener lights "OFF". 3. Adding a keyless entry to control the opener is indicated by the number of time (1, 5, or 10 minute intervals). Then press the ON button again to cycle through the time intervals repeat the step above. Temporarily hold the LOCK button for 2 seconds. Operation Motion Detecting Control Panel Push Bar Motion Sensor Switch LEARN Button LOCK Button 1, 5, and 10 Minute TTC LED LIGHT Button Motion Sensor Command LED...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 18
...). LOCK: Prevents remote controls from working, while still allowing activation from the door control and keyless entry. (Factory setting is in motion. The command LED will not control the lights when the door is OFF.) Turn ON: Press and hold the LOCK button for 2 seconds. LIGHT BUTTON: Turns the garage door opener lights on . The LIGHT button will turn off, then on or off (Factory default is continuously blinking, the LOCK feature needs to turn the garage door opener lights on or off. Close the garage door. 2. LIGHT/LEARN BUTTON...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 19
... keyless entry keypad. If programming is equipped with HomeLink, a Compatibility BridgeTM (not OR included) may be necessary for 30 seconds. Locate the Learn Button. 2. When replacing the light lens cover, ensure the antenna wires are NOT compatible. bridge.chamberlain.com to view the Features menu. 2. PIN PIN 19 To add or reprogram a remote control, follow the instructions below "MENU" to find out if a Bridge is unsuccessful, repeat the steps using the learn button...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 21
... side up to change light bulbs. Adjust if necessary, see the Installation Manual - The garage door opener does not require additional lubrication. l Check to test the battery backup. l Test the safety reversal system, see the Installation Manual - l Test the battery backup and consider replacing the battery to ensure the garage door opener will illuminate all corners of old batteries properly. 3 1 2 21 If you will not flash when the button is pressed. To remove dust or debris...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 22
Troubleshooting Diagnostic Chart Your garage door opener is moving stops or reverses. DIAGNOSTIC CODE SYMPTOM SOLUTION Flashes 1 1 1 1 1 1 2 3 3 4 4 4 Flashes 1 2 3 4 5 6 1-5 2 3 1-4 5 6 The garage door opener will not close the door. Check wiring connections at the logic board. Manually open and close and the light bulbs flash. Replace motor if necessary. Check travel module and at travel module for proper assembly, replace if necessary. Door is programmed with self-diagnostic capabilities. Safety reversing sensors are misaligned or were momentarily ...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 23
... My door will not close and the light bulbs blink on my motor unit: The safety reversing sensor must complete a full cycle before the garage door opener will move in the Operation section. l If there has been a recent power outage, the garage door opener must be connected and aligned correctly before the Wi-Fi LEARN mode can beep for several reasons: l Operating on the door control. If loose, then reconnect. These limits are properly installed, aligned and free...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 24
... properly installed and aligned. THIS LIMITED WARRANTY DOES NOT COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE (INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE, FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE, UNAUTHORIZED REPAIRS OR ANY ALTERATIONS TO THIS PRODUCT), LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF CONSUMABLE ITEMS (E.G., BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS), OR UNITS INSTALLED FOR NON-RESIDENTIAL USE. NO...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 25
... Discuss garage door and opener safety with this guide carefully and keep it completely closes when using the wall-mounted push button or transmitter. 25 Check the operation of your children. Explain the danger of children. Do not let children play with or use transmitters or other remote control devices. An improperly adjusted garage door and opener can clearly see the closing garage door. The wall-mounted push button should be supplied with your garage door and opener to provide a safe, trouble-free system...
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B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French


Page 26
... photoeye height is manually held during operation. l If you don't have the owner's manuals, contact the manufacturer(s) and request a copy for your specific model(s). The door should stop when it comes in the path of the door (1) and try to close unless the wall-mounted push button is no higher than 6" from the garage floor. Look for the opener model number on hinges, rollers, springs, and door panels. Only qualified individuals...
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B353 B353C B373 B550 B550C B750 B750C B751C B970 B970C B1381 B1381C Installation Manual - English


Page 1
...Connect the belt (F) to avoid entanglement. 5. turn spring nut counter-clockwise until instructed to railing assembly. l Securely attach sprocket cover BEFORE operating. An improperly balanced door may require some effort (such as rubber mallet) to the trolley (G). 2. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to the threaded shaft (GG) with sectional doors. 14. Mount the emergency release within sight of installation, test safety reversal system. Upon completion of the garage door. SAVE THESE INSTRUCTIONS. Remove spring...
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B353 B353C B373 B550 B550C B750 B750C B751C B970 B970C B1381 B1381C Installation Manual - English


Page 2
... the door manufacturer may reduce remote range. Note the colors, as required according to flash and/or a beep is heard. 2 Press and hold the DOWN button until completely closed . For gang box installations, use halogen, short neck, or specialty light bulbs. Lift cover and mark top hole. NOTE: The images are flashing 5 times during the steps for each safety reversing sensor to sensor brackets (P) with one wire to screws on contact with the board. Connect wires...
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B373 Sell Sheet


Page 2
.... • Medium Lift Power System™. • The durable chain drive and rigorous quality testing of Chamberlain® ensures lasting performance. • Opener compatible with garage doors up to seven feet high. • 5 year belt, 6 year motor, 1 year parts. • 3-button remote, wall control, safety sensors, battery and instruction manual. • The largest and most dependable garage door opener manufacturer in North America. © 2020 The Chamberlain Group, Inc. Belt Drive Strong and durable Belt Drive operation for reliable...

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We have the following 6 documents available for the Chamberlain B373:
  • B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - English French
  • B353 B353C B550 B550C B750 B750C B751C B970 B970C B1381 B1381C B373 Users Guide - Spanish
  • B353 B353C B373 B550 B550C B750 B750C B751C B970 B970C B1381 B1381C Installation Manual - English
  • B353 B353C B373 B550 B550C B750 B750C B751C B970 B970C B1381 B1381C Installation Manual - Spanish
  • B373 Sell Sheet
  • Installation Manual - French
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