LEGRAND Raritan PX3TS, User Manual

Page: 138 / 911

Chapter 6: Using the PX3TS
118
Alarm Indicator Lamps
The PX3TS provides five Alarm indicator lamps, which are lit to alert you when
the PX3TS detects unusual or abnormal transfer switch conditions.
Indicator lamps Meaning when the lamp is on
Manual Disabled The front panel Manual Transfer button is disabled. See
Transfer Switch (on page 193) or Configuring Power
Transfer Features (on page 566) for how to disable this
button.
Phase Sync Inlets are out of phase. This alarm is turned on when inlets'
phase angle difference exceeds 15 degrees.
When this lamp is on, the manual transfer is prevented. See
Manual Transfer (on page 112).
Fuse Blown fuse.
The replacement fuse must be either the same as the
Raritan-provided fuse or equivalent.
To order fuses from Raritan, see Technical Specifications
(on page 721) in the User Guide for appropriate fuse types
and Raritan part numbers.
See Fuses for the Inlet Transfer Switch (on page 164) for
replacement procedures.
Internal Failure Internal hardware failure.
The internal failure can be any of the following, which is
indicated on the web interface's Transfer Switch
Management.
•
Inlet transfer switch open/short fault
•
MOV surge protector failure
•
12V Switch Mode Power Supply (SMPS) power failure
Contact Raritan technical support. The web interface
contains additional indicators for specific internal failures.
See
Transfer Switch and Inlet Status (on page 200).