Siemens SIMATIC FM 453 Manual page 326

Troubleshooting
Table 11-4 Diagnostic Interrupt, continued
Byte.
Bit
0.1 Internal errors
2.4 Internal module power supply failure
(8034) (8034)
Cause Drastic voltage dip.
FM 453 power supply faulty.
Effect Deactivation of entire FM 453.
Elimina- Check FM 453 power connection.
tion
If FM 453 power supply defective, replace FM 453.
3.2 FEPROM error
(8042) (8042)
Cause Memory for firmware code faulty.
Effect
Elimina- Replace the FM 453.
tion
3.3 RAM error
(8043) (8043)
Cause Faulty RAM data memory.
Faulty flash-EPROM data memory.
Effect
Elimina- Replace the FM 453.
tion
3.6 Process interrupt lost
(8046) (8046)
Cause A process interrupt event was detected by the FM 453 and cannot be
reported, because the same event has not yet been acknowledged by the
user program/CPU.
Faults on backplane bus.
Effect
Elimina- Incorporate OB40 into user program.
tion
Check bus connection of the module.
Deactivate using MD5 process interrupt.
Switch module on/off.
0.2 External errors
0.5 Fronts connector missing
(8005) (8005)
Cause Front connector X1 is not plugged into the FM 453.
Effect
Elimina- Plug in front connector X1.
tion
Note: (xxxx) value = Hexadecimal notation in diagnostic buffer.
11-10
Error Message,
Error Analysis and Elimination
Error response: "Everything OFF", as in Table 11-2
Error response: "Everything OFF", as in Table 11-2
FM 453 Servo Drive / Step Drive Positioning Module
Message/
Display
INTF
EXTF
EXTF
STAT
INTF INTF
EXTF
STAT STAT
C79000-G7076-C453-01