Indicator Leds; Power, Watchdog, Comms Rxd And Txd Leds - Compac CNG Service Manual

Indicator LEDs

Indicator LEDs

Power, Watchdog, Comms RXD and TXD LEDs

LED Indicators
Compac Industries Ltd.
The power, watchdog, comms RXD and TXD LEDs indicate the
operational state of the dispenser.
LED Reference
Power D1
Watchdog D5
RXD D6
TXD D7
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Power, Watchdog, Comms RXD and TXD LEDs
Lit When
The processor board has power.(on)
The watchdog circuit has been triggered. This
indicates that there is a fault on the processor
board.(on)
Polling information has been received. (flashes
on/off)
The C4000 processor responds to polls for its
respective hose number(s).(flashes on/off)
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