MDE-4133B Power Supply Kit M00016K003 Installation Manual • November 2003
Page 23
Troubleshooting the M02774 Power Supply Board
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Table 2: Node Resistance Measurement Preparation
Node
What to Do Before Measuring Resistance Between Pins 1 and 5
Pump
Temporarily disconnect the LON cables to Pump Node.
CRIND device
Temporarily disconnect monochrome interface board.
Last Node in Chain
Temporarily disconnect its LON cable and temporarily move the LON terminator to the
node immediately upstream.
Others
Temporarily bypass them with a LON jumper cable.