Simplex 4100ES-S1 Specifications download pdf (Page 66)

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SPS LED Indications

The SPS has the following LEDs:

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LED1 (yellow). Illuminates when NAC 1 is ON or in Fault.

LED2 (yellow). Illuminates when NAC 2 is ON or in Fault.

LED3 (yellow). Illuminates when NAC 3 is ON or in Fault.

LED4 (yellow). Illuminates to indicate a communications loss with the system CPU;

normally off.

LED5 (yellow). Indicates IDNet status. Normally off.

 Slow blink: Class A open circuit Fault.

 Fast blink: Short circuit Fault.

 On steady: No devices detected/ channel failure.

LED6 (yellow). Indicates power supply status. Normally off.

 Single blink: Positive earth fault.

 Double blink: Negative earth fault.

 Triple blink: Battery Fault.

 Quadruple blink: Charger Fault.

 On steady: Overcurrent fault.

LED7 (green). Illuminates when the power supply is powered from the AC line. Off

when the power supply is de-energized, or when it is using battery backup power.

Status LEDs

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Simplex 4100ES-S1 Specifications Page 66