17. Control Will Not Allow PDA to Download a Machine Cycle if it is Currently
C
Control will not allow the PDA to download a
machine cycle it is currently running
Possible
comm port
chosen on the
PDA?
Search the ports on the PDA to find correct port for IR.
Yes
Is the AP1 Output
Board or AP2 Control
Logic Board properly
grounded?
No
Check for ground to the AP2 chassis. Check for ground
from AP1 chassis to the pad on AP1 Output Board.
Refer to Figure 1.
No
Attempt to
communicate with a
different control to verify
the PDA is working. If the PDA works
on another control, AP2 Control
Logic Board may
need to be
replaced.
Yes
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