Fatal Errors (Ff) - Siemens 6SE7087-8KN50 Instructions De Service

Faults and Alarms
12.3

Fatal errors (FF)

Number / Fault Cause
FF01 A time slot overflow which cannot be remedied
has been detected in the high-priority time
Time slot overflow slots.
At least 40 failures of time slots T2, T3, T4 or
T5 (see also parameter r829.2 to r829.5)
FF03 Serious faults have occurred while accessing
external option boards (CB, TB, SCB, TSY ..).
Access fault
Optional board
FF04 A fault has occurred during the test of the
RAM.
RAM
FF05 A fault has occurred during the test of the
EPROM.
EPROM fault
FF06 Stack has overflowed
Stack overflow
FF07 Stack underflow
Stack Underflow
FF08 Invalid processor command should be
processed
Undefined Opcode
FF09 Invalid format in a protected processor
command
Protection Fault
FF10 Word access to uneven address
Illegal Word Operand
Address
FF11 Jump command to uneven address
Illegal Instruction
Access
FF13 A version conflict between the firmware and
the hardware has occurred.
Wrong firmware
version
FF14 Unexpected fatal error
(During processing of the fatal errors, a fault
FF processing
number has occurred which is unknown to
date).
FF15 Stack overflow (C-Compiler Stack)
CSTACK_OVERFLOW
FF16 NMI
NMI error
not Compact PLUS
12-36
Fatal errors are serious hardware or software errors which no longer
permit normal operation of the unit. They only appear on the PMU in
the form "FF<No>". The software is re-booted by actuating any key on
the PMU.
Table 12-3 Fatal errors
Counter-measure
- Reduce pulse frequency (P340)
- Replace CU
- Replace CU, or replace the unit (Compact
PLUS type)
- Replace the LBA
- Replace the option board
- Replace CU, or replace the unit
(Compact PLUS type)
- Replace CU, or replace the unit
(Compact PLUS type)
For VC: Increase sampling time (P357)
For MC: Reduce pulse frequency (P340)
- Replace CU, or replace the unit (Compact
PLUS type)
- Replace CU, or replace the unit
(Compact PLUS type)
- Replace firmware
- Replace CU, or replace the unit
(Compact PLUS type)
- Replace firmware
- Replace CU, or replace the unit
(Compact PLUS type)
- Replace firmware
- Replace CU, or replace the unit
(Compact PLUS type)
- Replace firmware
- Replace CU, or replace the unit
(Compact PLUS type)
- Replace firmware
- Replace firmware
- Replace CU, or replace the unit
(Compact PLUS type)
Replace the board
Replace the board
- Replace firmware
- Replace CU, or replace the unit
(Compact PLUS type)
6SE7087-7KN50
Operating Instructions SIMOVERT MASTERDRIVES
10.2006
Siemens AG