IAI America DS-S-C1 - Manual (Page 105)

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(5) E0 - E3 programming errors Group 4/Command error - 3
These errors, like those in sections 3 and 4 above, primarily arise from the way the commands are used.
(6) EG error - Emergency Stop
If an EG alarm occurs, consider the following.
 Emergency stop signal asserted
Determine what triggered the emergency stop and then release the emergency stop (press the button). During an
emergency stop, the ready signal or output 301 is OFF and the alarm or output 300 is ON. However, if the emergency stop
is asserted when the power is turned ON, alarm output 300 will not go ON. The 300 output functions after the ready signal
is given.
E0 Undefined command error Attempted to execute an undefined command. If you
use the PC interface software, the check function will
prevent this.
E1 Subroutine overnesting error There are more than 15 subroutines nested. This
alarm occurs after trying to run the program. Write the
program so that the number of nested subroutines is
less than 15. Also note that when there is complex
use of the IF command, this is likely to cause a [BA]
error.
E2 Subroutine under nesting error BGSR is not paired with EDSR. Another BGSR is
found before the EDSR. Correct the syntax.
E3 Controlling column error The expansion condition is used incorrectly. If you are
using the PC software, it will sometimes indicate a
syntax error at the time of input.
Power ON
Emergency stop
Ready signal (301)
Alarm output (300)
13. Error Codes