Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

2 Answers

After power failure makes noise but will not open or close

We operated it manually during power failure but now that we have power it makes a noise but doesn't move. Lights are on but no movement.
Any help would be appreciated!

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  • drsmcbride Jan 02, 2009

    chamberlain liftmaster. We have 2 of them and one of them worked well after the power was restored but the other won't do anything but make a motor noise.

  • Anonymous May 16, 2009

    I HAVE A GARAGE OPENER WHICH THE MOTOR MAKES NOISES, BUT NOT THING WORKS. WHAT MAY BE WRONG WITH THIS? PLEASE HELP ME. :)

  • Joseph Chapman
    Joseph Chapman May 11, 2010

    On the one that is not working does thhe traveler move? If it does not where on the rail is it stopped?


  • Joseph Chapman
    Joseph Chapman May 11, 2010

    It sounds like the manual release is not reengaged. What kind of operator do you have? 


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Remove the cover and look at the drive gear which is just in front of the motor. Chances are it is stripped. It is available at any door opener service company and comes with instructions.

Posted on May 16, 2009

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Make sure that the troley is engaged with the garage door first

Posted on Mar 10, 2009

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How do I reset lift gate on 2004 lincoln navigator. It doesn't open or close anymore with the remote


Maybe your key fob needs a new battery !
Power Liftgate Initialization

NOTE:If the power liftgate system is turned OFF in the message center, the system cannot be activated with any switches or with the liftgate handle. The system will need to be turned ON for any power operation to occur.

NOTE:The power liftgate may not operate under the following conditions:

  • a low voltage or dead battery.
  • a disconnected battery
  • a power liftgate that has been left open for more than six hours.
  • a power liftgate that has been manually closed and left ajar.
If any of these conditions has occurred, the power liftgate must be reset.
  1. Manually close and fully latch the power liftgate.
  1. NOTE:If the power liftgate does not open during this step, refer to the symptom chart to diagnose the power liftgate for no operation.
    Power open the power liftgate by using the keyfob or overhead console switch.
  1. Once the power liftgate is fully open, close the power liftgate by using the keyfob or overhead console switch.
    This system can also set DTC'S
  2. POWER LIFTGATE MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX (BODY CLOSURES) 501-03 Body Closures 2004 Expedition/Navigator DIAGNOSIS AND TESTING Procedure revision date: 08/23/2004

    Power Liftgate Module Diagnostic Trouble Code (DTC) Index

    Power Liftgate Module Diagnostic Trouble Code (DTC) Index

    DTC Description Source Action B1342 ECU Is Defective Power Liftgate Module INSTALL a new power liftgate module. REFER to Power Liftgate Modulein this section. B2477 Module Configuration Failure Power Liftgate Module REFER to Section 418-01. B2522 Vbatt1 Circuit Failure Power Liftgate Module GO to Pinpoint Test B. B2552 Vbatt2 Circuit Open Power Liftgate Module GO to Pinpoint Test B. B2698 Vbatt2 Circuit Failure Power Liftgate Module GO to Pinpoint Test B. B2699 Left Pinch Strip Open Or Short To Battery Power Liftgate Module GO to Pinpoint Test B. B2700 Right Pinch Strip Open Or Short To Battery Power Liftgate Module GO to Pinpoint Test B. B2701 Left Pinch Strip Stuck Active Power Liftgate Module GO to Pinpoint Test B. B2702 Right Pinch Strip Stuck Active Power Liftgate Module GO to Pinpoint Test B. B2703 Open/Close Switch Stuck Active Power Liftgate Module GO to Pinpoint Test B. B2704 Optical Sensor Power Short To Ground Power Liftgate Module GO to Pinpoint Test B. B2705 Optical Sensor 1 Input Not Active During Powered Gate Movement Power Liftgate Module GO to Pinpoint Test B. B2706 Optical Sensor 2 Input Not Active During Powered Gate Movement Power Liftgate Module GO to Pinpoint Test B. B2709 Gate Open Output Short To Battery Power Liftgate Module GO to Pinpoint Test B. B2710 Gate Close Output Short To Battery Power Liftgate Module GO to Pinpoint Test B. B2711 Gate Open Output Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2712 Gate Close Output Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2713 Unlatch Output Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2714 Uncinch Output Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2715 Cinch Output Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2718 Gate Ajar Output Short To Battery Power Liftgate Module GO to Pinpoint Test B. B2721 Gate Ajar Output Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2722 Open/Close Switch Active During Self-Test Power Liftgate Module GO to Pinpoint Test B. B2723 Glass Position Switch Active During Self-Test Power Liftgate Module GO to Pinpoint Test B. B2724 Forkbolt Switch Invalid During Self-Test Power Liftgate Module GO to Pinpoint Test B. B2725 Detent Switch Invalid During Self-Test Power Liftgate Module GO to Pinpoint Test B. B2726 Home Switch Invalid During Self-Test Power Liftgate Module GO to Pinpoint Test B. B2819 Gate Motor Circuit Short To Battery Power Liftgate Module GO to Pinpoint Test B. B2820 Gate Motor Circuit Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2821 Cincher Motor/Unlatch Actuator Short To Ground Or Open Power Liftgate Module GO to Pinpoint Test B. B2822 Cincher Motor/Unlatch Actuator Short To Battery Power Liftgate Module GO to Pinpoint Test B. B2825 Movement Ceased Due To Excess Speed Deviation Power Liftgate Module GO to Pinpoint Test B. B2903 Chime Output Circuit Short To Battery Power Liftgate Module/ Liftgate Chime Module GO to Pinpoint Test C. C1935 Chime Circuit Failure Power Liftgate Module/ Liftgate Chime Module GO to Pinpoint Test C. U1950 UBP Communication BUS Fault UBP Communi cation REFER to Section 418-00. U2338 Invalid ACM Message Data Power Liftgate Module

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1 Answer

What are the common problems when a 2001 Lincoln navigator lifegate won't open


Do you have power lift gate ?
The power liftgate may not operate under the following conditions:
  • a low voltage or dead battery.
  • a disconnected battery.
  • a power liftgate that has been left open for more than six hours.
  • a power liftgate that has been manually closed and left ajar.
If any of these conditions has occurred, the power liftgate must be reset before performing any pinpoint tests. For additional information, refer to
Power Liftgate Initialization NOTE: If the power liftgate system is turned OFF in the message center, the system cannot be activated with any switches or with the liftgate handle. The system will need to be turned ON for any power operation to occur.
NOTE: The power liftgate may not operate under the following conditions:
  • a low voltage or dead battery.
  • a disconnected battery
  • a power liftgate that has been left open for more than six hours.
  • a power liftgate that has been manually closed and left ajar.
If any of these conditions has occurred, the power liftgate must be reset.
  1. Manually close and fully latch the power liftgate.
  1. NOTE: If the power liftgate does not open during this step, refer to the symptom chart to diagnose the power liftgate for no operation.
    Power open the power liftgate by using the keyfob or overhead console switch.
  1. Once the power liftgate is fully open, close the power liftgate by using the keyfob or overhead console switch

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Serial Numbers affected: TZ, VZ, ZZ, AA, DA

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Both issues are caused by interference of the inner vent trim slot with the latch arm as it travels to the closed position.

Correction:
Replace both the lock motor (WB14T10008) and inner vent trim (WB07T10179).
Failure to replace the inner vent trim will not correct the problem long term, and subsequent lock motor failures will occur.

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"Fault Code: F9

Likely Failure Condition/Cause:
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motor switch failure.
2. Control software failure, or component
failure (relay stuck).
3. Wiring Problem.

Suggested Corrective Action:
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Cause: This issue could be caused by any of the below possibilities:
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Noise when monitor goes into standby mode When the monitor enters a "standby mode" or "power savings mode" this is similar to the monitor being turned off. It is completely normal for the monitor to make a noise when the monitor enters this mode.
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