15
The LEDs for amplifiers not compatible with the CSNAC option are summarized in Table 4.
Table 4. LED Indications for Flex Amplifiers Not Compatible with CSNAC
LED # LED name Meaning
LED1 Comm Loss
Steadily on when the amplifier is not communicating with the
system CPU
LED2 IN_TBL
Single blink: input channel 1 failure
Double blink: input channel 2 failure
Steadily on: failure on input channels 1 and 2
Applies to analog or digital audio riser.
LED3 OUT_TBL2
Steadily on during Power Stage 2 Overcurrent
Failure/Output Supervision Trouble
LED4 OUT_TBL1
Steadily on during Power Stage 1 Overcurrent
Failure/Output Supervision Trouble
LED5 NAC 3 Status Steadily on when NAC 3 is on or in Trouble condition
LED6 NAC 2 Status Steadily on when NAC 2 is on or in Trouble condition
LED7 NAC 1 Status Steadily on when NAC 1 is on or in Trouble condition
LED8 NAC3_PS2 NAC 3 routed to Power Stage 2
LED9 NAC2_PS2 NAC 2 routed to Power Stage 2
LED10 NAC1_PS2 NAC 1 routed to Power Stage 2
The LEDs for amplifiers compatible with the CSNAC option are summarized in Table 5.
Table 5. LED Indications for Flex Amplifiers Compatible with CSNAC
LED # LED name Meaning
LED1 IN_TBL
Single blink: input channel 1 failure
Double blink: input channel 2 failure
Steadily on: failure on input channels 1 and 2
Applies to analog or digital audio riser.
LED2 Comm Loss
Steadily on when the amplifier is not communicating with the
system CPU
LED3 OUT_TBL1
Steadily on during Power Stage 1 Overcurrent
Failure/Output Supervision Trouble
LED4 OUT_TBL2
Steadily on during Power Stage 2 Overcurrent
Failure/Output Supervision Trouble
LED5 NAC 3 Status Steadily on when NAC 3 is on or in Trouble condition
LED6 NAC 2 Status Steadily on when NAC 2 is on or in Trouble condition
LED7 NAC 1 Status Steadily on when NAC 1 is on or in Trouble condition
LED8 NAC3_PS2 NAC 3 routed to Power Stage 2
LED9 NAC2_PS2 NAC 2 routed to Power Stage 2
LED10 NAC1_PS2 NAC 1 routed to Power Stage 2
LED Indications
Flex Amplifiers Not
Compatible with
CSNAC Option
Flex Amplifiers
Compatible with
CSNAC Option
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