Code

Alarm

Meaning

4520

NO INVERTER

The load supplied by utility is over 100%.

The load remains blocked

on utility as long as alarm

POWER

 

overload is active.

 

 

 

 

 

 

 

 

 

 

LOAD LOCKED

Load is locked on mains because 3 transfers on mains have

4530

been detected in a short time (default 30 seconds).

ON MAINS

Transfer will be free again after a time defined by respective

 

 

 

parameter (default 30 seconds).

 

 

 

4531

LOAD ON MAINS

Load is transferred to mains because the error detector

BY ERROR DETECTOR

detected a disturbance on the output voltage.

 

 

 

 

 

 

Alarm after detection of an Emergency Off from an external

4563

EMERGENCY OFF

safety device connected on Customer Interface.

ACTIVATED

Consequently K4, K6 and K7 open and shut down inverter,

 

 

 

booster and rectifier.

 

 

 

 

 

 

 

The UPS-System is in an overload condition >125% on

4570

OVERLOAD

inverter, or >150% on mains.

 

A sequence of “stop operation” starts.

 

 

 

 

Time out depending on load quantity.

 

 

 

 

OVERLOAD:

With mains bypass supply available and load >115%, the

4571

load is transferred on mains.

 

LOAD ON MAINS

Load will be transferred again automatically on inverter

 

 

 

when load will be <100%.

 

 

 

 

 

4581

INVERTER AND

The voltages of mains and inverter are not synchronized,

MAINS NOT SYNCH.

which causes the opening of K6.

 

 

BATTERY

The battery temperature exceeds the value inserted in

4697

parameter.

 

 

 

OVERTEMPERATURE

 

 

 

 

Disabled with parameter (service only).

 

 

 

 

 

4698

BATTERY POWER

In case of utility failure, with the actual load, the autonomy

time would result below

“stop operation” time (default 3

INSUFFICIENT

 

minutes).

 

 

 

 

 

 

 

 

 

 

Battery voltage is at the lowest limit.

4700

DC LOW

Shutdown of inverter until the battery voltage reaches the

 

 

value in respective parameter.

 

 

 

 

LOAD LOCKED

The load is locked on Inverter following 3 load transfers

4900

within 30 seconds.

 

 

ON INVERTER

After time out of the value in respective parameter (default

 

 

 

30 seconds), bypass will be free.

 

 

 

 

 

An overtemperature condition has been detected on

4955

OVERTEMPERATURE

inverter.

 

 

 

Elapsed “stop operation” time, inverter shutdown.

 

 

 

 

With mains available, load is transferred on mains.

 

 

 

4998

LOAD OFF DUE TO

Load Off after time-out of “stop operation” for overload on

EXTENDED OVERLOAD

inverter or bypass (time depending on the % of overload).

 

 

 

 

 

 

 

 

 

LOAD OFF DUE TO

Load

Off after

time-out

of

“stop operation” with missing

4999

mains

due to

battery

low

voltage or overtemperature

UBATT OR TEMP.

 

condition.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Modifications reserved

Page 25/57

OPM_LPS_3UO_30K_40K_0US_V010.doc

Operating Manual LP 33 Series 30 & 40 kVA

Page 25
Image 25
GE LP 33 manual Code Alarm Meaning 4520, 4530, 4531, 4563, 4570, 4571, 4581, 4697, 4698, 4700, 4900, 4955, 4998, 4999

LP 33 specifications

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