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ASTAT 

®

-IBP Plus Service Instructions

2

Prices and data subject to change without notice.

Logic Board Replacement

CAUTION:

 

Always handle circuit boards by their edges

and do not distort the parts on the circuit boards.

ATTENTION: 

Il faut toujours manipuler les plaques de

circuits par leurs côtés et ne pas déformer les pièces sur

les plaques de circuits.

1.

Remove the ASTAT-IBP cover as described in steps

1–2 of 

Cover Removal and Replacement

.

2.

Unplug the two ribbon cables from the Logic Board,

as shown in Figure 3.

3.

Remove the four corner screws holding the Logic

Board to the stand-offs below the Logic Board. Lift

the Logic Board straight up to remove it, as

illustrated in Figure 4.

4.

Reassemble the Logic Board to the starter. With the

display on the Logic Board at the upper left corner,

place the board on the stand-offs. Reattach the four

screws holding the Logic Board to the stand-offs.

5.

Reattach the two ribbon cables. Ensure that the

ribbon cable at the bottom of the ASTAT-IBP is fully

seated on both circuit boards and that the ribbon

cable does not interfere with or touch the cover.

6.

Reinstall the plastic cover and the terminal

connectors as described in steps 3–4 of 

Cover Removal

and Replacement

.

Figure 3. Logic board and part locations.

Figure 4. Removing the Logic Board.

Screws

Logic Board

Power Supply

Board

Unplug Cable

Ribbon

Logic Board

Cable Ribbon

Summary of Contents for DEH-40417

Page 1: ...g ASTAT IBP Plus Solid State Starters DEH 40417 Service Instructions ...

Page 2: ......

Page 3: ... time of its publication While efforts have been made to ensure accuracy the information contained herein does not cover all details or variations in hardware and software nor does it provide for every possible contingency in connection with installation operation and maintenance Features may be described herein that are not present in all hardware and software systems GE Electrical Distribution C...

Page 4: ...moval and Replacement 1 Logic Board Replacement 2 Power Supply Board Replacement 3 Protection Board Replacement 5 SCR Module Replacement Sizes K L and Y 6 SCR Module Replacement Sizes M Z and N 7 SCR Module Replacement Sizes P Q and R 8 SCR Module Replacement Size S 9 Trouble Shooting Guide 11 Renewal Parts List 12 ...

Page 5: ... release the terminal connector from the pins Carefully pull the terminal connectors with the wiring straight off the ASTAT IBP starter 2 Remove the plastic cover by pressing and releasing the plastic tab on each side of the cover with a flat head screwdriver as illustrated in Figure 2 3 To reattach the cover lower it over the circuit boards Carefully push down on the cover until the two tabs snap...

Page 6: ...offs below the Logic Board Lift the Logic Board straight up to remove it as illustrated in Figure 4 4 Reassemble the Logic Board to the starter With the display on the Logic Board at the upper left corner place the board on the stand offs Reattach the four screws holding the Logic Board to the stand offs 5 Reattach the two ribbon cables Ensure that the ribbon cable at the bottom of the ASTAT IBP i...

Page 7: ...rd to facilitate reassembly NOTE Vérifier les chiffres sur les fils de porte avant d enlever ceux ci Chaque fil de porte doit avoir un chiffre correspondant aux chiffres de la borne 1 12 sur la plaque de la boîte d alimentation pour faciliter le réassemblage 4 With a small screwdriver remove the red and white gate wires from the small four point gate Terminal Boards one on the component side and t...

Page 8: ... as illustrated in Figures 8 9 and 10 8 Secure the Power Supply Board with the four screws removed earlier 9 Reinstall the following components a The Logic Board as described in steps 4 5 of Logic Board Replacement d The cover as described in steps 3 4 of Cover Removal and Replacement Figure 8 Gate lead connections for sizes K L and Y Figure 9 Gate lead connections for sizes M Z and N Figure 10 Ga...

Page 9: ...Label these leads to ensure that they are connected to the same terminals on the new Protection Board 4 Loosen the four screws holding the Protection Board to the housing Remove the Protection Board from the ASTAT IBP 5 Place the new Protection Board in position in the ASTAT IBP and secure it with the four mounting screws to the housing 6 Attach the four current transformer leads and the two therm...

Page 10: ...the SCR Module for reassembly with the replacement Module 3 Clean the heat sink surface of the replacement Module with a fine abrasive such as Scotchbrite Remove all particles from the heat sink surface and wipe the SCR mounting surface with a mild solvent Apply a light coat of thermal grease such as Electrolube 2GX to both the SCR and heat sink surfaces 4 Place the contact face of the SCR Module ...

Page 11: ...ed from the SCR Module for reassembly with the replacement Module 3 Clean the heat sink surface of the replacement Module with a fine abrasive such as Scotchbrite Remove all particles from the heat sink surface and wipe the SCR mounting surface with a mild solvent Apply a light coat of thermal grease such as Electrolube 2GX to both the SCR and heat sink surfaces 4 Place the contact face of the SCR...

Page 12: ...ve the MOV by disconnecting it at the spade connectors Attach the MOV to the replacement SCR Module in the same manner 7 Clean the heat sink surface of the replacement Module with a fine abrasive such as Scotchbrite Remove all particles from the heat sink surface and wipe the SCR mounting surface with a mild solvent Apply a light coat of thermal grease such as Electrolube 2GX to both the SCR and h...

Page 13: ...sconnect the wiring harness of the CTs 2 Remove the bolt holding the busbars connected to the blocks on the load and line sides of the SCR Module as shown in Figure 18 3 Remove the bolt holding the CT the threaded stud and the load side busbar from the Module 4 Remove the bolts holding the load side lug in place Remove the lug 5 Remove the L shaped busbar and CT if applicable from the assembly as ...

Page 14: ...f thermal grease such as Electrolube 2GX to both the SCR and heat sink surfaces 10 Place the new SCR Module in the proper position on the mounting surface Move the Module back and forth several times to evenly distribute the grease on the plate 11 Secure the SCR Module to the mounting plate with the screws removed earlier Tighten the screws to 44 in lb torque 12 Reattach the load side lug L shaped...

Page 15: ... 1L1 phase Short circuited thyristor Check thyristor module Check ground connections and voltage to ground Poor ribbon cable connection Phase A B C thyristor Ex14 Ex15 Ex16 No output phases Check 2T1 4T2 2T1 4T2 and 6T3 6T3 phases Heatsink thermostat Ex17 Heatsink thermostat tripped by overheating or defective Check for adequate ventilation Check thermostat and wiring Motor thermistor Ex18 Motor t...

Page 16: ...X000135 1 295 00À QI3 Y M DP QIX000136 1 475 00À QI3 Z N DP QIX000137 1 945 00À QI3 P Q R DP QIX000138 1 1800 00À Bypass Contactor QI3SDP QIX000139 1 2700 00 QI3KDP QIX000140 1 140 00 QI3LDP QIX000141 1 140 00 QI3YDP QIX000142 1 140 00 QI3MDP QIX000143 1 140 00 QI3ZDP QIX000144 1 140 00 QI3NDP QIX000145 1 140 00 QI3PDP QIX000146 1 140 00 QI3QDP QIX000147 1 140 00 QI3RDP QIX000148 1 140 00 Protecti...

Page 17: ......

Page 18: ...th installation operation or maintenance Should further information be desired or should particular problems arise that are not covered sufficiently for the purchaser s purposes the matter should be referred to the GE Company g GE Industrial Systems General Electric Company 41 Woodford Ave Plainville CT 06062 DEH 40417 0901 2001 General Electric Company ...

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