928: Replacing a Logic Board

This video demonstrates the procedure to replace a logic board onĀ the Guardian model 928 residential jackshaft garage door opener.

2 Comments
  1. Brian's picture
    Oct 29, 2023

    The model 628 would be a good replacement for the 600SL

  1. Michael's picture
    Aug 25, 2023

    Replacement for model 600sl 3)4 H.P

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