Purpose:

It lists FWA-6170 PSU LED Behavior for customer reference,

Target Audience:

For Advantech TSE, RBU AE, outsourcing service engineer(s) and End customer with the following knowledges :

The following table provides detailed information about the status LED behaviors of the FWA-6170 PSU (e.g., DPS-850AB-4 H) for user reference

Power Supply Condition	LED State
+12V output ON and OK	GREEN
No AC power to all power supplies	OFF
AC presents / Only +12VSB on (PS off) or PSU in Smart standby mode	1Hz Blink GREEN
AC cord unplugged or AC power lost; with a second power supply in parallel still with AC input power.	AMBER
Power supply warning events where the power supply continues to operate;(ex: high temp, high power, high current, slow fan)	1Hz Blink AMBER
Power supply critical event causing a shutdown; *ex:OTP, OCP, UVP, OVP, Fan Fail)	AMBER
Power supply FW updating	2Hz Blink GREEN