User Manual

NOTCHCELL 20W OPERATING MANUAL
R-tron America, Inc. Page: 34 / 57
2. Open PSU box door and AC input switch as “ON” status.
Figure 5.4 AC Power ON
3. Check whether AC and DC fail LED color which is located in power supply unit
will be green or not.
Figure 5.5 Power Alarm LED
► Note : “BATT. FAIL” color will be green when battery properly connected with “DC
IN(24V)” and power supply unit “EXT. BATT. Input” switch should be “ON” status.