CHAPTER 3: MAINTENANCE AND TROUBLESHOOTING
SNAP PAC S-Series User’s Guide
49
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If the STAT LED blinks green when the controller starts up,
it indicates the following:
If the STAT LED is blinking orange,
it indicates the following:
If the STAT LED blinks red and green alternately,
it indicates the following:
If the STAT LED is blinking red,
it indicates the following:
Number of
Blinks
Speed of
Blinks
Means
2
fast
Loading firmware (kernel) from Flash memory to SDRAM.
5
fast
Default settings have been successfully restored.
7
fast
(Loader versions 5.1n and older) Entering failsafe boot-
loader mode (see
“Resetting the Controller” on page 40
).
Number of
Blinks
Speed of
Blinks
Means
(continuous)
slow
There is a problem with the bootloader. Contact Product
Support.
(continuous)
fast
No IP address is assigned to the controller. This may also
indicate the controller is in hardware test mode.
Number of
Blinks
Speed of
Blinks
Means
(continuous)
fast
(Loader versions 5.1c and newer) Entering fail-safe boot-
loader mode. (See
“Resetting the Controller” on page 40
.)
Number of
Blinks
Speed of
Blinks
Means
Problem and Workaround
2
slow
Flash programming failure
Flash chips failed to erase properly or program prop-
erly. Contact Product Support.
3
slow
Firmware CRC check failed.
The firmware in the device is damaged. See Replac-
ing Damaged Firmware in chapter 6 of the
PAC Man-
ager User’s Guide
, form 1704.
4
slow
Invalid MAC address or
hardware revision.
Contact Product Support.
5
slow
Fatal error
Firmware or hardware problem. Check the power
supply and connections before restarting. Call Prod-
uct Support if the error is repeated.
6
slow
RAM error
Contact Product Support.
7
slow
Loader problem
Firmware or hardware problem. Confirm Ethernet
cables are connected. Try turning off power to the
controller and turning it back on again. Call Product
Support if the error is repeated.
11
slow
Firmware failed to initialize
communications on
ENET 1.
Contact Product Support.