Section 4 Auto-Zone Plus
4-12 Start-Up and Troubleshooting
1.3.4
(continued)
Action
Condition Action
Readings near Zero Volts Check for shorted wiring.
If voltages are too high or too low on either
side
1. One or more devices connected to this
loop may have damaged comm driver
chips.
2. Wiring errors. Check for multiple loops
inadvertently “cross connected”, short
circuits, etc.
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