Toshiba 4400 Series - Operator Controls - Light Emitting Diodes (LED)

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4400 Series Installation and Operation Manual – 64527-008
12.2 Operator Controls – Light Emitting Diodes (LED)
The following table describes the front panel LED behaviors and the associated meaning.
TABLE 12.1: LED BEHAVIOR KEY
LED Behavior 
On-Line/
Fault
Green – ON UPS is in On-Line, Backup, or Battery Test mode.
Green – OFF UPS in Bypass or Shutdown mode.
Red – ON One or more faults occurred. See Records: Faults for details.
Red – OFF No fault occurred.
Warning Amber – ON Service Call needed.
Amber – Flashing One or more Warnings occurred.
Amber – OFF No Warning occurred.
A/C Input Green – ON Input or Bypass voltage is within specied range.
Green – Flashing Input or Bypass voltage is over specied range.
Green – OFF Input or Bypass voltage is under specied range.
NOTE: On-Line/Fault LEDs – Appear Amber if Green and Red ash concurrently.