GE Industrial Solutions ASTAT-CD Plus Solid-State Starters - Manual

NOTE: POWER MUST BE REMOVED
BEFORE SERVICING.
Size F, G, H or I
Cover removal
Terminal connector
Cover
Figure 1. Terminal removal
Step 1. Remove the two 12- point plug-in terminal
connectors by inserting a flat-head screwdriver
between the terminal connector and the
ASTAT-CD Plus cover.
Do not remove wiring from terminal
connectors.
Carefully release the terminal connector from
pins (Figure 1). Carefully pull the terminal
connectors (with wiring) straight off the
ASTAT-CD Plus starter.
Step 2. Remove the plastic cover by using a flat-head
screwdriver to depress and release the plastic
tab on each side of the cover (Figure 2).
Figure 2. Cover removal
1
ASTAT ® -CD Plus Solid-State Starters
DEH-40418 Service Instructions
Contents
Size F, G, H or I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
To replace Logic Board . . . . . . . . . . . . . . . . . . . . 2
To replace Power Supply Board . . . . . . . . . . . . . 2
To replace Protection Board . . . . . . . . . . . . . . . . 4
To replace SCR modules . . . . . . . . . . . . . . . . . . . 5
Size J, K, L or M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
To replace Logic Board . . . . . . . . . . . . . . . . . . . . 7
To replace Power Supply Board . . . . . . . . . . . . . 8
To replace Protection Board . . . . . . . . . . . . . . . . 9
To replace SCR modules . . . . . . . . . . . . . . . . . . 10
Size N, Q, R or S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
To replace Logic Board . . . . . . . . . . . . . . . . . . . 13
To replace Power Supply Board . . . . . . . . . . . . 14
To replace Protection Board . . . . . . . . . . . . . . . 15
To replace SCRs . . . . . . . . . . . . . . . . . . . . . . . . . 16
Size T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
To replace Logic Board . . . . . . . . . . . . . . . . . . . 18
To replace Power Supply Board . . . . . . . . . . . . 19
To replace Protection Board . . . . . . . . . . . . . . . 20
To replace SCRs . . . . . . . . . . . . . . . . . . . . . . . . . 21
Size U or V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
To replace Logic Board . . . . . . . . . . . . . . . . . . . 24
To replace Power Supply Board . . . . . . . . . . . . 25
To replace Protection Board . . . . . . . . . . . . . . . 26
To replace SCR modules . . . . . . . . . . . . . . . . . . 27
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . 30
Renewal Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Instructions For Changing Circuit
Boards and SCRs
On Sizes F, G, H, I, J, K, L, M, N, Q, R, S, T, U, V
Logic Board, QCX000143
Power Supply Board, QCX000144
Protection Board, See Renewal Parts List, p. 32
SCRs - See Renewal Parts List, p. 32