3 Nomenclature and Functions
CPSN-MCB271-S1-041 Reference Manual (Hardware)
31
LED
This product is equipped with LEDs (PWR [power], RUN, STS [status], and ERR [error]) that indicate
the status.
Table 3.2. LED
LED
Operation
Meaning
PWR(Green)
ON
Initialization is complete.
OFF
No power supplied.
Flashing
Initialization is in progress.
Continuous
flashing
(twice)
An initialization error occurred.
Continuous
flashing
(three times)
A firmware writing error occurred.
RUN(Green)
ON
The firmware is operating.
OFF
The product is operating in recovery mode.
Flashing
The recording media (USB, SD) is being accessed.
STS(Green)
ON
An I/O module is connected.
OFF
No I/O modules are connected.
Flashing
An I/O module is being accessed correctly.
ERR(Red)
ON
This lights when a system error occurs.
- An I/O module cannot be recognized correctly.
- An error occurred while accessing an I/O module.
OFF
This is off when there are no system errors.
PWR(Green)
RUN(Green)
STS(Green)
All flashing
at the same time
Data is being written to the firmware or the setup file.
