AB Quality PowerFlex 400 Frames D-H Servicebulletin

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Contents

What This Kit Contains

Safety Precautions

PowerFlex 400 Frames D-H

Replacement Procedure for Main Control Board

This publication provides instructions for replacing the main control board

for PowerFlex 400 Frames D through H drives. For additional drive

information, refer to the PowerFlex 400 User Manual, publication

22C-UM001....

• Main control board assembly consisting of a main control board, an LCD

Human Interface Module (HIM), and a plastic tray

• Four spare tapping φ4*8 mm screws (for Frame D) and

four spare M4*8 mm screws (for Frames E-H)

to be used for the plastic tray

• This publication

The following general precautions apply to the PowerFlex 400 drive.

ATTENTION: To avoid an electric shock hazard, verify that the

voltage on the bus capacitors has discharged before performing

any work on the drive. Wait five minutes for the capacitors to

discharge. Then, measure the DC bus voltage at the DC- and

DC+ terminals or at the DC- and P2 terminals on the power

terminal block. The voltage must be zero.

A darkened LCD display and LEDs are not an indication that

capacitors have discharged to safe voltage levels.

Only qualified electrical personnel familiar with the construction

and operation of this equipment and hazards involved should

install, start and/or adjust this equipment. Read and understand

these instructions in their entirety before proceeding. Failure to

observe this precaution could result in severe bodily injury or

loss of life.

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.

Service Bulletin

5011679300-T3M0