LEDs CPU
1
,
2
,
3
Status
LED
RN
green
ER
red
IO ER
red
PN-C ER
red
PN-D ER
red
IO DIAG
red
Description
Boot-up after PowerON
- as soon as the CPU is supplied with DC 24V, the green PW-LED of the power supply is on.
red
Error while copying the kernel.
red
X
Runtime system was stopped. Perform a power cycle.
red 2Hz
Yaskawa SD card was not recognized.
red 2Hz
1Hz
Yaskawa SD card certificate is faulty or was unauthor-
ized removed during operation. Perform a power
cycle.
yellow
1Hz
Runtime system is loaded.
red 2Hz
Runtime system could not be loaded. Perform a
power cycle.
Operation
yellow
0.5Hz X
X
X
X
X
CPU is in STOP state.
red
2Hz
2Hz
X
X
X
X
System watchdog was triggered and the CPU
restarted. Execute a reboot via iCube Engineer or set
your CPU to RUN state.
green
X
X
X
X
CPU is in RUN state without error.
red
0.5Hz
X
X
X
X
Error in user program. CPU is in the READY/STOP/
HALT state with an error.
red 2Hz
1Hz
Yaskawa SD card certificate is faulty or was unauthor-
ized removed during operation. Perform a power
cycle.
red 2Hz
2Hz
The overlaying file system in the parametrization
memory reports a memory overflow.
yellow
2Hz
1Hz
1Hz
1Hz
1Hz
1Hz
1Hz
The CPU requests a power cycle, e.g. after resetting
to
factory settings type 1
using a DIP switch.
SliceBus
X
X
X
X
X
X
There are no errors on the
SliceBus
.
red
1
X
X
X
X
X
Configuration error on the
SliceBus
.
X
X
X
X
X
SliceBus
not relevant: X
1) The status depends on the operating mode of the CPU.
iC9200 Series
Hardware description
Structure > LEDs
HB700 | CPU | PMC921xEx | en | 23-06
50