mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 7281 > < Initial Inspection and Diagnostic Overview|Page 7279
Page 1
background image

Garage Door Opener Transmitter: Pinpoint Tests

PINPOINT TEST A: THE UNIVERSAL TRANSMITTER IS INOPERATIVE

A1-A2

A3-A4

Normal Operation

The universal transmitter receives voltage on circuit CLN09 (YE/GN) and is grounded through circuit GD139 (BK/YE).

Possible Causes

-

Fuse

Initial Inspection and Diagnostic Overview|Page 7281 > < Initial Inspection and Diagnostic Overview|Page 7279