Aurora Power One Ultra 1500

✓ ULTRA-700.0-TL &nbsp &nbsp ✓ ULTRA-1050.0-TL &nbsp &nbsp ✓ ULTRA-1400.0-TL

Listed below are the requirements for initial action on a failed inverter. Before proceeding with any operation: A) Verify that the model is correct; B) Carefully follow all instructions provided in the manufacturer’s operation and maintenance manual; C) Ensure that the intervention is carried out by trained personnel; D) Since this is a photovoltaic inverter with a DC input that is always live, strictly observe all applicable safety regulations.

Alarms, Errors and Warnings

Codici a display
Descrizione
Errore/Warning generato da
Causa

E001

Input OC

Conversion module

- Input current higher than the maximum allowable threshold by the inverter

E002

Input OV

Conversion module

- High input voltage.
One possible cause is incorrect sizing of the PV generator (strings consisting of too many panels in series)

E004

Bulk OV

Conversion module

- Voltage at the ends of bulk capacitors higher than the Over Voltage threshold (Internal threshold not changeable)

E005

Comm.Error

Conversion module

- Communication error between the inverter's internal control devices

E006

OC Output

Conversion module

- Current of one of the output voltage phases exceeds the inverter output overcurrent threshold

E012

Dc/Dc Fail

Conversion module

- Internal inverter error related to the operation of the DC - DC(Booster) circuit part.

E014

Over Temp.

Conversion module

- Inverter internal temperature above the maximum working threshold

E015

Bulk Cap Fail

Conversion module

- Loss of PV generator insulation
- Internal failure of the conversion module.

E016

Inverter Fail

Conversion module

- The alarm is generated when a problem is detected in the inverter circuit part (DC/AC)

E020

Self Test Error 1

Conversion module

- This is an error present during testing when the machine is set in "homologation mode"

E030

Error Meas Ileak

Conversion module

- Error in the internal measurement (made when the inverter is connected to the grid) of the leakage current of the DC side (PV generator) with respect to ground (imposed by regulation) to have redundancy of the measurement (2 measurements on the same parameter made by two different circuits)

E033

UTH

Conversion module

- Temperature inside the inverter below the minimum working threshold

E035

Remote Off

Conversion module

- The inverter has been turned off remotely (remote OFF) and remains in a state of waiting for the signal that will turn it back on (remote ON)

E037

UC input

Conversion module

- Detection of a return current (from the grid to the PV generator)

E039

DC Switch Open

Conversion module

- DC disconnector open
- Failure of auxiliary contact detecting disconnector status
- Emergency button activated

E041

AC Switch Open

Conversion module

- Malfunction of one or more AC contactors inside the conversion compartment
- Power supply module (installed on each conversion module) defective or in protection

E042

Bulk UV

Conversion module

- Voltage at the ends of bulk capacitors below the threshold of Under Voltage
(Internal threshold that cannot be changed)

E044

DC Door Open

Conversion module

- DC compartment door
- Defective or improperly placed safety switch (does not activate when door closes)

E045

AC Door Open

Conversion module

- AC compartment door
- Defective or improperly placed safety switch (does not activate when the door is closed)

E047

Anti Islanding

Conversion module

- Internal inverter communication error due to failure of the Slave conversion modules to receive the Anti Islanding pulse from the Master module

E048

Liquid Cooler Fail

Conversion module

- General alarm status referred to both external heat exchangers (the detail of the error can be seen from the display by entering the "rack monitor -> cooler" panel)

E052

Module door open

Conversion module

- Opening one of the doors of the conversion compartments
- Any of the safety switches placed on the doors of the conversion compartments defective or incorrectly positioned (does not activate when the door is closed)

E803

Sec AC

Communication and control board

- AC output disconnector open
- Emergency button activated

E805

Emergence

Communication and control board

- Emergency button activated

E806

Any Door

Communication and control board

- The error appears with the inverter doors closed and any faulty or incorrectly placed safety switch (does not activate when the door is closed)

E807

Any Fuse

Communication and control board

- Signaling of tripping of any fuse (AC or DC).
AC grid fault
Short circuit on the AC side of the inverter
Internal defect in one of the conversion modules

E808

Alarm Module 1

Communication and control board

- Alarm active in conversion module 1
- Emergency button activated

E809

Alarm Module 2

Communication and control board

- Alarm active in conversion module 2
- Emergency button activated

E810

Alarm Module 3

Communication and control board

- Alarm active in conversion module 3
- Emergency button activated

E811

Alarm Module 4

Communication and control board

- Alarm active in conversion module 4
- Emergency button activated

E812

Pressure 1

Communication and control board

- Low pressure in the hydraulic circuit of the external heat exchanger (1)

E813

Pump 1

Communication and control board

- External heat exchanger coolant circulation pump (1) defective

E814

Flow Switch 1

Communication and control board

- Leakage or obstruction in the cooling circuit of the external heat exchanger (1) detected by the in the flow sensor

E815

Primary Fan 1

Communication and control board

- The primary fan of the external heat exchanger (1) is blocked or defective

E816

Secondary Fan 1

Communication and control board

- The secondary fan of the external heat exchanger (1) is blocked or defective

E817

Heater 1

Communication and control board

- Heater inside the external heat exchanger (1) damaged
- Thermostat regulating activation of heater damaged or incorrectly adjusted
Activation switch, located on the side control panel of the heat exchanger (1), set to OFF

E818

Probe 1

Communication and control board

- Breakage of the coolant temperature probe of the external heat exchanger (1)

E819

TMax 1

Communication and control board

- The coolant of the external heat exchanger (1) has exceeded the maximum allowable temperature

E820

Pressure 2

Communication and control board

- Low pressure in the hydraulic circuit of the external heat exchanger (2)

E821

Pump 2

Communication and control board

- External heat exchanger coolant circulation pump (2) defective

E822

Flow Switch 2

Communication and control board

- Leakage or obstruction in the cooling circuit of the external heat exchanger (2) detected by the in the flow sensor

E823

Primary Fan 2

Communication and control board

- The primary fan of the external heat exchanger (2) is blocked or defective

E824

Secondary Fan 2

Communication and control board

- The secondary fan of the external heat exchanger (2) is blocked or defective

E825

Heater 2

Communication and control board

- Damaged internal heater to external heat exchanger (2)
- Damaged or incorrectly adjusted thermostat regulating heater activation
Activation switch, located on the side control panel of the heat exchanger

E826

Probe 2

Communication and control board

- Breakage of the coolant temperature probe of the external heat exchanger (2)

E827

TMax 2

Communication and control board

- The coolant of the external heat exchanger (2) has exceeded the maximum allowable temperature

E828

Door Open Mod 1

Communication and control board

- Conversion compartment door 1 open

E829

Door Open Mod 2

Communication and control board

- Conversion compartment door 2 open

E830

Door Open Mod 3

Communication and control board

- Conversion compartment door 3 open

E831

Door Open Mod 4

Communication and control board

- Conversion compartment door 4 open

E832

AC Fuse Mod 1

Communication and control board

- Tripping of one of the AC output fuses referring to conversion module number 1.
The main causes of AC output fuse tripping can be:
AC grid fault
Short circuit on the AC side of the inverter

E833

AC Fuse Mod 2

Communication and control board

- Tripping of one of the AC output fuses referring to conversion module number 2.
The main causes of AC output fuse tripping can be:
AC grid fault
Short circuit on the AC side of the inverter

E834

AC Fuse Mod 3

Communication and control board

- Tripping of one of the AC output fuses referring to conversion module number 3.
The main causes of AC output fuse tripping can be:
AC grid fault
Short circuit on the AC side of the inverter

E835

AC Fuse Mod 3

Communication and control board

- Tripping of one of the AC output fuses referring to conversion module number 5.
The main causes of AC output fuse tripping can be:
AC grid fault
Short circuit on the AC side of the inverter

E840

Liquid Cooler Gen Fault 1

Communication and control board

- Generic error of the external heat exchanger 1.
This error occurs together with any other error related to the external heat exchanger

E841

Liquid Cooler Gen Fault 2

Communication and control board

- Generic error of the external heat exchanger 2.
This error occurs together with any other error related to the external heat exchanger

E842

Probe Ambient 1

Communication and control board

- Breakage of the room temperature measurement probe located inside the external heat exchanger 1

E843

Probe Ambient 2

Communication and control board

- Breakage of the room temperature measurement probe located inside the external heat exchanger 2

W003

Grid Fail

Conversion module

- Detection of an imbalance between the phases of the AC grid voltage

W004

Grid OV

Conversion module

- High grid impedance (distribution side)
- Undersized AC cable section (plant side)
- Unsuitable installation of AC output cables

W005

UV Grid

Conversion module

- Line voltage measured by the inverter below the minimum set threshold
- Unsuitable installation of AC output cables

W006

Grid OF

Conversion module

- Grid frequency measured by the inverter higher than the maximum set threshold

W007

Grid UF

Conversion module

- Grid frequency measured by the inverter below the set minimum threshold

W011

Bulk UV

Conversion module

- Internal error in the conversion module related to a DC/DC circuit malfunction

W015

Grid df/dt

Conversion module

- Disruption of grid supply during inverter operation.
This condition results in disconnection from the grid by the inverter

W801

Sequence

Communication and control board

- Error in wiring sequence of auxiliary power supply phases detected by Phase Control Relay and sequence c06

W802

SPD AC Aux

Communication and control board

- Surge arresters protecting the auxiliary line damaged

W804

SPD AC 1

Communication and control board

- Surge arresters protecting the damaged AC power line

W805

Key Switch

Communication and control board

- Key switch set to 0 (STOP)

W806

Battery RTC

Communication and control board

- Buffer battery installed on the communication and control board discharged or defective

W807

Comm Fault Cooler 1

Communication and control board

- Internal inverter communication error between the external heat exchanger 1 and the communication and control board

W808

Comm Fault Cooler 2

Communication and control board

- Internal inverter communication error between the external heat exchanger 2 and the communication and control board

W809

RTC fail

Communication and control board

- Time set on the communication and control board not synchronized with that of the display and conversion modules

W810

Syncro AI

Communication and control board

- Internal inverter error on synchronism signal Anti Islanding

W811

Syncro scan

Communication and control board

- Internal inverter error on MPPT synchronization signal

W812

PWM Syncro

Communication and control board

- Internal inverter error on PWM synchronization signal

W813

Comm Fault Int Serial

Communication and control board

- Internal inverter communication error (RS485 signal)

W814

Comm Fault Int CAN

Communication and control board

- Internal inverter communication error (CAN BUS signal)

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Via dell'Artigianato IV Traversa, 5 63076 - Monteprandone (AP) ITA

Mon-Fri: 09:00 - 18:00