Delta AP300 Specifications download pdf (Page 57)

Operation 51

3.6.2 Abnormal Conditions During Start-Up

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Table 7 Alarm Messages During Start-Up

Alarm

Message

Meaning and

Corrective Action in Brackets [ ]

START-UP SEQUENCE ABORTED Check Messages.

Input phase rotation incorrect 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 be present during

initial start-up of your UPS system.]

Incorrect input frequency The frequency of the input power is outside the specified acceptable

range.

[Check your utility source.]

Rotary switch is in the wrong position 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.

[Turn the Rotary Switch to Position 1 and perform a UPS start-up

procedure.]

Rotary switch improperly operated The Rotary Switch has been operated improperly. This means the switch

has been operated either too fast or in the wrong direction.

[Turn the Rotary Switch to Position 1 and perform a UPS start-up

procedure.]

Battery Failed Test The Start-up test routine has detected a failure in the battery.

[Contact Liebert Customer Service and Support at 1-800-543-2378.]

Static Switch Failure The Start-up test routine has detected a failure in the Static Transfer

Switch.

[Contact Liebert Customer Service and Support at 1-800-543-2378.]

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