Advant
®
Controller 450 User’s Guide
Section H.2 List of Halt Codes and Corrective Actions
3BSE 002 415R701 Rev A H-3
09 Overload, STALL ALARM Note the error code and the red LED indicators which
have illuminated. LSYSHI gives the level of the
overload and indicates the type of overload which
has occurred.
S§LOSTAL = 0:
Hardware fault but not memory board fault. Replace
the faulty hardware.
S§LOSTAL = -1:
Overload on PC level.
Extend cycle times on PC.
Hardware fault is possible; I/O board or
communication board.
Replace the faulty hardware.
0A Memory error. The address to the incorrect
position is in the address register A0. The error
code appears during the test of the RAM which
is only performed on initialization of the system.
Replace the processor module.
0b System program check sum test error. RAM test. Replace the processor module.
0C Autotest error. Instruction test failed. Replace the processor module.
0d Autotest error. Interval timer test failed. Replace the processor module.
0E Autotest error. Interrupt controller test failed. Replace the processor module.
0F Autotest error. Bus error test failed. Replace the processor module.
10 Level 7 interrupt. Power failure.
Power up after power fail in a system that has no
power fail handling, neither warm start up nor
power fail restart.
Follow instructions in Section 5.5.9.5, Check of
Power Supply.
16 Serious program error. Follow instructions in Section 5.5.16, System
Restart, INIT.
17 Wrong processor module type in the system. Replace the processor module.
24 System with redundant processor modules only.
Indication on the backup module.
Error at changeover. Probably the system was
not fully synchronized when an attempt to
changeover was made.
Restart the backup module which was stopped.
Table H-1. List of Halt Codes (Continued)
Halt
Code
Significance Corrective Actions