Chapter 2
Component Test Procedures
Viewing the 700H Diagnostic
LED
The Control Assembly on 700H drives contains a diagnostic LED which is
visible through the cover of the Control Assembly. the Control Assembly is
located in the upper, left-hand drive enclosure.
!
ATTENTION: To avoid an electric shock hazard, ensure that all
power to the drive has been removed before performing the
following.
!
ATTENTION: To avoid an electric shock hazard, verify that the
voltage on the bus capacitors has discharged before performing
any work on the drive. Measure the DC bus voltage at the DC+ &
DC- terminals. The voltage must be zero.
!
ATTENTION: HOT surfaces can cause severe burns. Do not
touch the heatsink surface during operation of the drive. After
disconnecting power allow time for cooling.
!
ATTENTION: This drive contains ESD (Electrostatic
Discharge) sensitive parts and assemblies. Static control
precautions are required when installing, testing, servicing or
repairing this assembly. Component damage may result if ESD
control procedures are not followed. If you are not familiar with
static control procedures, reference A-B publication 8000-4.5.2,
“Guarding Against Electrostatic Damage” or any other
applicable ESD protection handbook.
!
ATTENTION: The Control Assembly LED is only operational
when the drive is energized, and only visible with the door of the
drive enclosure is open. Servicing energized equipment can be
hazardous. Severe injury or death can result from electrical
shock, burn or unintended actuation of controlled equipment.
Follow Safety related practices of NFPA 70E, ELECTRICAL
SAFETY FOR EMPLOYEE WORKPLACES. DO NOT work
alone on energized equipment!
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