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Section 5
Troubleshooting
Overview
MN1230
The Baldor Series 29M Control requires very little maintenance and should provide years
of trouble free operation when installed and applied correctly. Occasional visual
inspection should be considered to insure tight wiring connections and to avoid the build
up of any dust, dirt, or foreign debris which can reduce heat dissipation.
Before attempting to service this equipment, all input power should be removed from the
control to avoid the possibility of electrical shock. The servicing of this equipment should
be handled by a qualified electrical service technician experienced in the area of high
power electronics.
It is important to familiarize yourself with the following information before attempting any
troubleshooting or service of the control. Most troubleshooting can be performed using
only a digital voltmeter having an input impedance exceeding 1 megohm. In some cases,
an oscilloscope with 5 MHZ minimum bandwidth may be useful. Before consulting the
factory, check that all power and control wiring is correct and installed per the
recommendations given in this manual.
The control has a "Ready" LED on the panel (see Figure 3-3) and this LED is normally
GREEN. If a fault occurs, the Ready LED will be RED and the control is disabled.
Additional troubleshooting procedures are described on the following pages "Control
Troubleshooting Procedure".
The DB LED is on whenever Dynamic Brake power is dissipated into the DB (Dynamic
Brake) resistor. DB resistor is also called a Regen resistor.
Troubleshooting 5-1
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Table of Contents
Troubleshooting
