Spectrum Controls 1756-CTR8, User Manual

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Owner’s Guide 0300199-01 Rev. D
Chapter 7
Troubleshooting
The count module has indicators which provide indication of module status.
ControlLogix modules use the following:
LED This display: Means Take this action:
OK Steady Green Light The inputs are being
multicast
None
OK Flashing Green Light The module has passed
internal diagnostics but
is not currently
performing connected
communication
None
OK Flashing Green Light The module has passed
internal diagnostics but
is not currently
performing connected
communication
None
OK Flashing Red Light
Previously established
communication has
timed out.
Check controller
OK Steady Red Light It is likely the module
should be replaced
See below
Under fault conditions the CTR8 will communicate a particular error via a LED
blink code. A description of the fault conditions and LED blink codes is listed
below:
OK LED SYS LED Fault Status
RED 1 Blink EEPROM seed completed.
RED 2 Blinks EEPROM seed failed.
RED 3 Blinks EEPROM CRC failed.
RED 4 Blinks Invalid serial number.
RED 5 Blinks Boot code CRC failed.
RED 6 Blinks App CRC failed.
RED 7 Blinks FPGA configuration fail.