GE Industrial Solutions ASTAT-CD Plus Solid-State Starters - Manual (Page 7)

ASTAT-CD Plus Service Instructions
7
Sizes J, K, L or M
Cover Removal
NOTE: POWER MUST BE REMOVED
BEFORE SERVICING.
Steel cover
Terminal connector
Figure 1. Remove terminal connectors
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 connectors
from pins (Figure 1). Carefully pull the
terminal connectors (with wiring) straight off
the ASTAT-CD Plus starter.
Step 2. Remove the front steel cover by removing the
4 Phillips screws. Set steel cover aside.
Screwdriver
through slot in
side of steel
housing
Figure 2. Cover removal
Step 3. 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).
To replace the Logic Board (top board)
Important: Always handle boards by
edges and do not distort parts on board.
Step 4. To remove Logic Board, unplug the two
ribbon cables from the Logic Board.
Screws
Logic Board
Figure 3. Board location
Step 5. Remove the 4 corner screws holding the
Logic Board to the standoffs below the Logic
Board. Remove the Logic Board.
Step 6. Reassemble Logic Board to the starter. With
the display on the Logic Board at the upper
left corner, place the board on the standoffs
and attach the Logic Board in the reverse
order as listed in Steps 5 and 4 above. Make
sure the ribbon cable at the bottom of the
ASTAT is fully seated on both circuit boards
and that the ribbon cable will not interfere
with or touch the cover.
Step 7. Reassemble the plastic cover and the terminal
connectors by lowering the cover over the
boards. Carefully push down the cover until
the two tabs snap into place. It may be
necessary to push in slightly on the outside of
the lower plastic housing.
Replace the front steel cover using the 4
Phillips screws.