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Garage Door Opener Transmitter|Service and Repair > < Diagram 543 (Track 1-14)|Page 13539
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Garage Door Opener Transmitter: Diagnostic Aids

Explanation Of Troubleshooting Procedures

Starting with the reported problem, troubleshooting procedures show step-by-step what is checked and how it is checked in order to find the problem in
the quickest and most reliable way. If several causes (of a problem) are possible in one system, a test procedure is used for diagnosis.

Structure of a Test step:

Example of a troubleshooting procedure:

Garage Door Opener Transmitter|Service and Repair > < Diagram 543 (Track 1-14)|Page 13539