REV 0, June 2005 Page 203
Operation Manual SUPREMA
7. Maintenance and Service
Table 7-3: System Failure Message
7.8 System Failure Messages
F. Failure Appears in Disappears in Error Fail Info 1 Info 2 Mo- Remarks/Remedial action
No Message case of case of LED LED (BYTE) (DWORD) dule
Text
1 Dynamic Stack overlow or Restart X X Task IDD Memory all Generally software
memory stack underflow address problems (e.g. wrong
overfloy detected stack dimensions)
at Perhaps sequence error
to No. 2,3 or 6
2 Error in RAM failure Whole RAM X X Bit pattern Memory all Hardware defect:
work memory detected (Self-test) tested: failure- fault bits address exchange module
at free (after
approx. 24 h)
3 Error in ROM failure Whole ROM X X 1 = test Checksum all Hardware defect:
program detected (Self-test) tested: failure- 0 at sys- is = loWord exchange module
memory at free (after tem start, should be =
approx. 24 h) elso 0 HiWord
4 Internal Internal time control All tasks have X X* Nominal Taskflags all Perhaps sequence error
timeout at detects failure been value of is = loWord of CAN bus failure. Check
reported in Taskflags should be = Bus (*System fail only if
time (8 lowest HiWord failure is standing in line
Bit) more than 1 sec.)
5 Data lost on CAN controller CAN Controller X X Always 0 Always 0 MDA Green LED goes out if
Bus at detects overflow in normal mode MGO CAN overflow is detected.
MAO Perhaps Bus not terminate
correctly or modules with
wrong bitrate at the bus.
May also be hardware
defect.
6 Fatal internal Exception Interrupt Restart X X Exepton Memory all Hardware defect: exchange
error at (e.g. write access to no. address module
ROM, invalid memory Perhaps sequence error
address...) to No. 1, 2 or 3
7 Buffer Overflow of the Restart X X Queue no. Status MDA Perhaps in combination
overflow at internal processing MCP with No. 4 at system
queues. MDO overload or sequence
error to CAN bus
failures
8 Communi- Error at SDO transfer SDO transfer X X CAN-I/O CANopen MCP Perhaps CAN-bus failure:
cation (transfer of successfully error index/sub MDO check Bus. Check MCP,
error on bus configuration and ended code index MDO, MDA for incompa-
at parameter data) tible software status. May
occur when pulling cards o
9 System error Error on accessing flash Restart X X Flash Sector/block MCP Hardware defect. Exchange
of memory which contains error or cell no. MDO module. Perhaps in combi-
configuration parameter and confi- code nation with No. 10 or 15.
memory at guration data files