I have two door openers. One is giving 1 flash and the other 5 flashes. Neither one works now??. Created by ken-hall. Building Materials - Sears - LiftMaster - Craftsman LiftMaster Chamberlain Garage Door Opener Wireless...

I have two door openers. One is giving 1 flash and the other 5 flashes. Neither one works now??

Ken Hall @ken-hall

January 2021 1 13 Report

I have two door openers. One is giving 1 flash and the other 5 flashes. Neither one works now??

Building Materials - Sears - LiftMaster - Craftsman LiftMaster Chamberlain Garage Door Opener Wireless...

Answers & Comments

Don Maggard

1 flash - Safety reversing sensors wire open (broken or disconnected).

5 flashes - Motor overheated or possible RPM sensor failure. Unplug for about 15 minutes to see if it will reset. If not the trolley may be jammed against the bolt just in front of the motor unit.

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