Emerson ControlWave EFM 3808 Instruction Manual page 69

LED Color
PG RED
WD RED
IDLE RED
STAn RED
TX1 RED
RX1 RED
TX2 RED
RX2 RED
TX3 RED
RX3 RED
Receive GREEN
Transmit YELLOW
Revised Mar-2011
ControlWave Express Instruction Manual (CI-ControlWave Express)
Figure 5-6. CPU/System Controller LEDs
Table 5-1. LEDs on Piggy-back LED board
Description
ON = Power good
ON = Watchdog condition – program crash; OFF = Normal operation
ON = CPU has free time at end of execution cycle. Should be on
frequently.
OFF = CPU overloaded
See Figure 5-7 and Table 5-1 for LED patterns and explanations
Transmit activity on COM1
Receive activity on COM1
Transmit activity on COM2
Receive activity on COM2
Transmit activity on COM3
Receive activity on COM3
Receive activity on Ethernet port
Transmit activity on Ethernet port
Service & Troubleshooting 5-9