Ge DIGITAL ENERGY LP 33 User Manual download pdf (Page 25)

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OPM_LPS_3UO_50K_60K_0US_V010.doc Operating Manual LP 33 Series 50 & 60 kVA

Code Alarm Meaning

4520

NO INVERTER

POWER

The load supplied by utility is over 100%.

The load remains blocked on utility as long as alarm

overload is active.

4530

LOAD LOCKED

ON MAINS

Load is locked on mains because 3 transfers on mains have

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

Transfer will be free again after a time defined by respective

parameter (default 30 seconds).

4531

LOAD ON MAINS

BY ERROR DETECTOR

Load is transferred to mains because the error detector

detected a disturbance on the output voltage.

4563

EMERGENCY OFF

ACTIVATED

Alarm after detection of an Emergency Off from an external

safety device connected on Customer Interface.

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

booster and rectifier.

4570 OVERLOAD

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

inverter, or >150% on mains.

A sequence of “stop operation” starts.

Time out depending on load quantity.

4571

OVERLOAD:

LOAD ON MAINS

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

load is transferred on mains.

Load will be transferred again automatically on inverter

when load will be <100%.

4581

INVERTER AND

MAINS NOT SYNCH.

The voltages of mains and inverter are not synchronized,

which causes the opening of K6.

4697

BATTERY

OVERTEMPERATURE

The battery temperature exceeds the value inserted in

parameter.

Disabled with parameter (service only).

4698

BATTERY POWER

INSUFFICIENT

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

time would result below “stop operation” time (default 3

minutes).

4700 DC LOW

Battery voltage is at the lowest limit.

Shutdown of inverter until the battery voltage reaches the

value in respective parameter.

4900

LOAD LOCKED

ON INVERTER

The load is locked on Inverter following 3 load transfers

within 30 seconds.

After time out of the value in respective parameter (default

30 seconds), bypass will be free.

4955 OVERTEMPERATURE

An overtemperature condition has been detected on

inverter.

Elapsed “stop operation” time, inverter shutdown.

With mains available, load is transferred on mains.

4998

LOAD OFF DUE TO

EXTENDED OVERLOAD

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

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

4999

LOAD OFF DUE TO

UBATT OR TEMP.

Load Off after time-out of “stop operation” with missing

mains due to battery low voltage or overtemperature

condition.

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