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

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Raynor 1245rgd navigator learn button blinks

Blinks 5 times, then 5 more. After a short pause it starts again. When the burtton is pushed the door moves about a foot. If it is pressed a second time, it returns that foot. Just replaced the worm gear and sprocket. Did I do something else?

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5 flashes on operator and the short movement on the door indicates a bad RPM sensor. try to unplug the unit for 30 seconds, if this does not reset the motor, replace the RPM sensor

Posted on Jun 09, 2010

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Posted on Jan 02, 2017

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Sony Triniton TV KV 32FS120 will not turn on


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I have a Chamberlane Lift Master Professional I went to open it yesterday and it would not open. When the button is pushed the unit just clicks and the controller light is blinking 5 times then pauses and...


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Sony Trinitron Wega Standby blinks & the TV won't turn on


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Blinking on learning indicator...push the remote or wall button nothing works...what happen?


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Jun 22, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

When I push open or close the unit starts but stops the yellow light on rear of unit blinks 4 times then a short pause and blinks 4 times again and continues to do this



# of flashes

1

2

3

4

5

6

Rapid Flashing





Problem

The Protector System wire open or totally misaligned

The Protector System wire shorted or black/white wire reversal

Door Control or Multi-Function control Panel wire shorted

IR sensor slightly misaligned (dim or flashing sensor LED)

Motor overheated/Possible RPM sensor failure -- unplug to reset

Motor circuit failure -- replace RX/LX board

Liftmaster transmitter with the correct format code being received
(opener not necessarily programmed to respond)

Mar 28, 2009 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Sony Wega KV-32FS120 wont turn on (5 blinks)


Hi Simonbra,
According to the service manual. the 5 blinks is due to a defective IC on the M board, The defective part is IC001
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