Operation
Operating Manual PNOZ m EF 4DI4DOR
1002702-EN-08
| 17
7
Operation
The PNOZmulti system is ready for operation when the "POWER" and "RUN" LEDs on the
base unit are lit continuously.
7.1
LED indicators
Legend
LED on
LED flashes
LED off
LED
Error
POWER Ru
n
Diag
Fault IFaul
t
OFault
No supply voltage
Expansion module PNOZ m EF 4DI4DOR running without er-
ror.
Expansion module PNOZ m EF 4DI4DOR is in a STOP condi-
tion.
Internal error on the expansion module PNOZ m EF
4DI4DOR or on the overall system. Expansion module is in a
safe condition.
External error on the expansion module PNOZ m EF
4DI4DOR or on the overall system. Expansion module is in a
safe condition.
Internal error on the inputs of the expansion module PNOZ m
EF 4DI4DOR. Expansion module is in a safe condition, e.g.
pulse error.
Internal error on the outputs of the expansion module PNOZ
m EF 4DI4DOR. Expansion module is in a safe condition.
External error on the inputs of the expansion module PNOZ m
EF 4DI4DOR. Expansion module is in a safe condition.
External error on the outputs of the expansion module PNOZ
m EF 4DI4DOR. Expansion module is in a safe condition, e.g.
defective feedback loop.
