RKI Instruments 65-2640RK-03 - Manual (Page 13)

65-2640RK-03 M2A Transmitter Operator’s Manual 8
Status LEDs
The M2A includes five status LEDs that are located above the display (see Figure 2).
• Fail LED
The fail LED turns on when the M2A is experiencing a fail condition. A fail condition
can be caused by a detector failure or low detector signal.
• Alarm 1 LED
The alarm 1 LED is on when the M2A is experiencing an alarm 1 condition.
• Alarm 2 LED
The alarm 2 LED is on when the M2A is experiencing an alarm 2 condition.
• RX & TX LED’s
These LED’s indicate data being received (RX) and transmitted (TX) when the M2A’s
Modbus output is operating.