Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener "whisper drive plus replacing" Questions

Chamberlain Whisper garage door closes 3/4 then pops open sensors not blocked, but one has green or yellow light at alternating times. does sensor need to be replaced? check the wiring if its ok you ...

Whisper Belt Drive The belt drive on my garage door opener keeps slipping off the pulley. The garage door will not open with the opener. I have put the belt back on the pulley and attempted to tighten

...Whisper Drive Model 248754 is less than two years old. The red LED stays on and a beep sounds every 30 seconds or so. The manual only says "contact for service". Any suggestions/advice so that we can ...

Chamberlain Whisper garage door system that only closes 3/4... then pops back open. Nothing blocking sensors, though one sensor has either a green or yellow light at various times. Does this mean ...

...the logic board. There is an inherent design flaw in the sockets with some of the openers. The Whisper Drives have this problem. The bulb does not make a good contact with the bottom tab. ...

Whisper Drive guess what I also have the same problem with it as the cold has set it. Disconnect the door from the drive and see if it works without a load. Check the sensor performance. This can rule