Alarm Display When You Use External 24 V Power Supply

When you use an external 24 V power supply, the drive detects an alarm as shown in Table 1 if you set o2-23 [External 24V Powerloss Detection] and o2-26 [Alarm Display at Ext. 24V Power] for the main circuit power supply. Set the alarm display as necessary.

Table 1. Power Supply and Alarm Display
Main Circuit Power Supply	External 24 V Power Supply	o2-23 [External 24V Powerloss Detection]	o2-26 [Alarm Display at Ext. 24V Power]	Alarm Display
ON	ON	-	-	-
ON	OFF	0 [Disabled]	-	-
ON	OFF	1 [Enabled]	-	L24v [Loss of External Power 24 Supply]
OFF	ON	-	0 [Disabled]	“Ready” LED light flashes quickly
OFF	ON	-	1 [Enabled]	EP24v [External Power 24V Supply]