Spectrum Controls 140 ACI 052 00sc - Manual (Page 56)

STEP 3: Check the module’s fault LED.
VERIFY: The module’s red FAULT LED is off. This LED indicates a
module hardware error.
CORRECTIVE ACTION:
• The module has a fatal hardware error. Contact your local distributor or
Spectrum Controls Customer Satisfaction Group listed at the back of this
manual.
The module has a front LED panel that includes 35 LEDs:
Ready LED -
1 Green LED indicates module’s self test has passed and is ready to
communicate.
Active LED -
1 Green LED indicates BUS communication is established between the
module the rack.
Fault LED -
1 Red LED indicates a module self test error, or fatal H/W error. A blink
code will be defined that will indicate the type of self test error. Count the
number of blinks before a pause to determine the error code in the table
below.
Fault LED Blink Code
Blink # Fault
3 DPM Test Error
4 CPU Error
5 Watchdog Timer Error
6 RAM Error
7 Flash EPROM CRC Error
8 Calibration EEPROM Error
Channel LED -
32 Green LEDs indicates the channel is enabled and a valid input signal level
is present. The LED is off if the channel is disabled. A blinking LED indicates
that the channel has exceeded a range limit.
50
Installation Instructions
32-Channel Analog Input Module
Quantum 140 ACI 052 00sc