Tyco 4100U installation manual SPS LED Indications, The SPS has the following LEDs

SPS LED Indications

LEDs The SPS has the following LEDs:

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. If this LED is blinking, try re-loading the software to FLASH.

LED5 (yellow). Indicates IDNet status.

•Slow blink: Class A open circuit Fault.

•Fast blink: Short circuit Fault.

•On steady: No devices detected/ channel failure.

•Normally off.

LED6 (yellow). Indicates power supply status.

•Single blink: Positive earth fault.

•Double blink: Negative earth fault.

•Triple blink: Battery Fault.

•Quadruple blink: Charger Fault.

•On steady: Overcurrent fault.

•Normally off.

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.

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