Abnormal Conditions During Start-Up - Liebert 300 series Installation, Operaton & Maintenance Manual

10-1250kva, 60 hz, three phase
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3.6.2 Abnormal Conditions During
start-up
If the system detects an abnormal condition
during start-up:
1. An Advisory Display LED may illuminate,
prompting movement of the Rotary Switch.
Read the screen message before turning the
Rotary Switch.
The screen displays an abnormal condition
2 .
message. See below for an explanation of
displayed messages and implement the
corresponding corrective action.
3.
Repeat start-up sequence if abnormal
condition can be cleared. Call Liebert
Service and Support if you require
assistance.
A l a r m
Message
START-UP SEQUENCE
ABORTED
Rotary switch is in the wrong
position
Rotary switch improperly
Failed Test
Battery
Static Switch Failure
During start-up, system components are tested
and any abnormal conditions are displayed in an
occurs during start-up, the critical load
continues to receive power through the
Maintenance Bypass Line. If the default screen
instructs you to Check Messages, press the
Down pad to see the active Alarm Messages.
The list below shows Alarm Messages you may
see during start-up, along with operator
corrective action. Alarm Messages you may see
during normal operation are in Section 3.11
Service and Support if you require assistance.
Check Messages.
The power conductors are not wired to the UPS input in the
desired sequence.
Disconnect power from the UPS input and
correct the wiring. A Liebert Customer Service and Support
representative must bepresent during initial start-up ofyour
The frequency of the input power is outside the specified
acceptable range.
Check your utility source.
Power has been applied to the UPS with the Rotary Switch in
the wrong position. This message is displayed when the input
power is removed, the battery is discharged, and the UPS
system has completely shut down. This message indicates the
Rotary Switch is still in Position 4 when input power is restored.
up procedure.
the
has been operated either too fast or in the wrong
switch
direction. Turn the Rotary Switch to Position 1 and perform a
UPS start-up procedure.
The Start-up test routine has detected a failure in the battery.
Contact Liebert
Customer Service and Support.
The Start-up test routine has detected a failure in the Static
Transfer
Switch. Contact Liebert
Meaning and
Corrective
Action
Customer Service and Support.

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