Toshiba 1400 Series - UPS Troubleshooting Guide; AC Line Indicator LED Not Lighting

TOSHIBA
Is the input
power plug securely Tighten the input plug.
connected?
6.0 Troubleshooting Procedures
6.1 AC Line Indicator LED Not Lighting
Is the
AC Line
LED lit?
6 - 1
Contact your Toshiba
service representative. Continue normal operations.
YES
NO
6.1
Caution:
All UPS units contain hazardous voltages that have the potential to burn
and shock. These voltages exist even if main power is disconnected.
Only qualified personnel should perform troubleshooting or repair work
on UPS units.
NO
YES
YES
NO
Is the input voltage Connect to input voltage
above or below specified source within correct tolerance.
limits?
NO
YES
Is the AC input Reset input circuit breaker
circuit breaker or fuse or
open ? Replace the AC input fuse.