PC Monitor May Display "Comms Error" during field calibration of a Type II Longitudinal Stability Indicator using 145-5809 Indicator Cable Assembly Caterpillar


PC Monitor May Display "Comms Error" during field calibration of a Type II Longitudinal Stability Indicator using 145-5809 Indicator Cable Assembly

Usage:

TELEHANDLERTH62 (3LN750-UP, 4TM1235-UP),
TH63 (3NN874-UP, 5WM1588-UP),
TH82 (3KN439-UP, 3JN579-UP),
TH83 (3RN1072-UP),
TH103 (3PN530-UP)

Problem:

Some dealers have reported a 'Comms Error' message (No communication between the PC and the Electronic Indicator Control of the LSI) on the monitor screen during the calibration procedure. Investigation has identified a problem with the wiring of 145-5809 Indicator Cable Assembly. The problem is restricted to the 'D' type connector plug that connects 145-5809 Indicator Cable Assembly to the PC.

Solution:

Open the plastic cover of the 'D' type connector plug by releasing the tab on the side. Check that the pin location numbers on the front face of the plug correspond with the following wire color codes:

* Pin 2 - Green wire
* Pin 3 - Red wire
* Pin 5 - Blue and Yellow wires

Also, check the wiring of the 'Deutsch' type connector plug that connects the opposite end of 145-5809 Indicator Cable Assembly to the Electronic Indicator Control. The plug pin location numbers should correspond with the following wire color codes:

* Pin 2 - Green wire
* Pin 3 - Yellow wire
* Pin 4 - Red wire
* Pin 5 - Blue wire

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