Efka AB620A, AB611A, AB600A Instructions For Use Manual

- Variocontrol V860

AB600A

AB611A
AB620A

Instructions for changing

the circuit boards

Nr.402453 english

(for german language and colored illustration use downloadlink)

www.efka.net/Downloads/Andere/Changing circuit boards AB6xxx

FRANKL & KIRCHNER EFKA OF AMERICA INC. EFKA ELECTRONIC MOTORS

GMBH & CO KG SINGAPORE PTE. LTD.

Contents

1 Important instructions ............................................................................................................. 4

2 Scope of Supply ....................................................................................................................... 5

3 Changing the circuit boards AB600A .................................................................................. 5

3.1 Required tools .................................................................................................................. 5

3.2 Removing the control housing .......................................................................................... 5

3.3 Removing the circuit board ............................................................................................... 7

3.4 Installation oft he circuit board ....................................................................................... 10

3.5 Installing the housing ..................................................................................................... 15

4 Changing the Circuit boards AB611A & AB620A ........................................................ 16

4.1 Required tools ................................................................................................................ 16

4.2 Removing the Control housing ........................................................................................ 16

4.3 Removing the line filter cicruit board .............................................................................. 19

4.4 Removing the main cicruit board .................................................................................... 23

4.5 Installation oft he main cicruit board .............................................................................. 25

4.6 Installation of the line filter board .................................................................................. 30

4.7 Installing the housing ..................................................................................................... 33

- AB600A /AB611A /AB620A

ATTENTION!

The controls must be completely disconnected

from power during the entire work!

ATTENTION!

ALL work on the controls must be performed in powerless condition!

Safety instructions warn of dangers and help prevent injuries!

Important Notes

For current versions of the Instructions for Use and Lists of Parameters, necessary for operating
EFKA drives in accordance with regulations, please refer to the EFKA web site www.efka.net,
page ”Downloads“.

On our web site you will also find the following supplementary instructions for this control:

General instructions for use and programming

Use with USB Memory Stick

Adapter cords

1 Important instructions

Warranty and liability

Warranty and liability claims for personal and property damage are excluded if they result due to one
or more of the following causes:

o Improper use of the controls
o Improper assembly and commissioning
o Not following instructions in the assembly instructions
o Independent constructional changes of the controls
o Insufficient maintenance and repair measures

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- AB600A /AB611A /AB620A

2 Scope of Supply

 Repair set for circuit board -AB600A -Order- Nr. 311 4051
 Thermal Compound Keratherm KP97 1ml - Order- Nr. 150 5077

 Repair set for main circuit board -AB611A - Order- Nr. 311 4013

 Repair set for main circuit board -AB620A - Order- Nr. 311 4123

 Netfiltert circuit board -AB611A & AB620A - Order- Nr. 311 3832

 Instructions for changing the circuit boards - Order- Nr. 020 7288

3 Changing the circuit boards AB600A

3.1 Required tools

 1x Torx screwdriver T 20
 1x Torx screwdriver T 10

3.2 Removing the control housing

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- AB600A /AB611A /AB620A

 Remove the 4 screws of thefront housing (Torx T 20).

 Remove front housing.

Note: First tip the cover slightly to the top, then push it away to the left.

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- AB600A /AB611A /AB620A

3.3 Removing the circuit board

 Pull off the "Fast on" plug connector of the brake resistor.

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- AB600A /AB611A /AB620A

 Pull off the "Fast on" plug connector of the board ground.

 Press the lock of the "Fast on" plug with your fingernail and pull it carefully from the circuit

board.

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- AB600A /AB611A /AB620A

 Remove the 8 marked screws (Torx T20 & T10)

 Carefully lift the circuit board.

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- AB600A /AB611A /AB620A

( -Nr. 1114051)

3.4 Installation oft he circuit board

Remove the residues of the thermal compound from the housing and ensure that the contact
surfaces are dust-free.

Note: Ware gloves to protect your skin!

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- AB600A /AB611A /AB620A

( -Nr. 150 5077)

 Apply the thermal compound from repair set

on powermodul and rectifier on the cicruit board. Follow the illustration!

Note: Ware gloves to protect your skin!

Note: Apply the thermal compound ca. Ø 3mm thick!

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- AB600A /AB611A /AB620A

 Carefully insert the board.
 Insert the marked screws and tighten them with specified torque.

Note: make sure that the drillings are concentric over each other!

2x M3x16 (Torx T10) Torque: 0,8 +/-0,2 Nm
IMPORTANT! Fix the screws reciprocally! Fix the screws again after 10 minutes with 0,8 +/-0,2 Nm
torque!

1x M4x16 (Torx T20) Torque: 2 +/-0,2 Nm
IMPORTANT! Fix the screws again after 10 minutes with 2 +/-0,2 Nm torque!

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