Status LED Description
Flashes SOS, the Morse code
distress code (three short pulses,
three long pulses, three short
pulses).
After flashing SOS, the Status LED
flashes a Morse code letter which
identifies the error.
Status: Error mode
If the module encounters an unrecoverable error, it
enters Error mode. In Error mode, the module does
not respond to commands and does not write data
to the bus.
For internal security modules running firmware
2.6.1.2 and above, the error code is also reported by
the enquiry utility in the hardware status field of the
Module and under hardware errors in the hardserver
log.
If a command does not complete successfully, the
module normally writes an error message to the log
file and continues to accept further commands. It
does not enter Error mode.
For information about error codes, see the User
Guide.
10.1.3. Audible warning
An audible warning sounds for some critical errors relating to the PSUs on the module.
The orange warning LED (see Orange warning LED) accompanies the audible warning.
The warning sounds when only one of the two PSUs is powered and turned on. Check
that:
•
The rocker switch on both PSUs is in the on position
•
Both PSUs are connected to the mains supply
If the audible warning continues, there might be a fault with one or both PSUs. Before
investigating further, switch off the audible alarm by navigating to the 1‑2‑5‑3 Critical
Errors screen. The orange warning LED remains on until you resolve the issue.
For more information about identifying and replacing a failed PSU, see the nShield
Connect Power Supply Unit Installation Sheet.
10.1.4. Orange warning LED
If the orange warning LED is on, the module has encountered a critical error (for
nShield® Connect Installation Guide 57 of 73
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