âś“ ULTRA-700.0-TL     âś“ ULTRA-1050.0-TL     âś“ ULTRA-1400.0-TL
POWER ONE CENTRALIZED
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. |
|
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 |
|
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 |
|
E041 |
AC Switch Open |
Conversion module |
- Malfunction of one or more AC contactors inside the conversion compartment |
|
E042 |
Bulk UV |
Conversion module |
- Voltage at the ends of bulk capacitors below the threshold of Under Voltage |
|
E044 |
DC Door Open |
Conversion module |
- DC compartment door |
|
E045 |
AC Door Open |
Conversion module |
- AC compartment door |
|
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 |
|
E803 |
Sec AC |
Communication and control board |
- AC output disconnector open |
|
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). |
|
E808 |
Alarm Module 1 |
Communication and control board |
- Alarm active in conversion module 1 |
|
E809 |
Alarm Module 2 |
Communication and control board |
- Alarm active in conversion module 2 |
|
E810 |
Alarm Module 3 |
Communication and control board |
- Alarm active in conversion module 3 |
|
E811 |
Alarm Module 4 |
Communication and control board |
- Alarm active in conversion module 4 |
|
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 |
|
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) |
|
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. |
|
E833 |
AC Fuse Mod 2 |
Communication and control board |
- Tripping of one of the AC output fuses referring to conversion module number 2. |
|
E834 |
AC Fuse Mod 3 |
Communication and control board |
- Tripping of one of the AC output fuses referring to conversion module number 3. |
|
E835 |
AC Fuse Mod 3 |
Communication and control board |
- Tripping of one of the AC output fuses referring to conversion module number 5. |
|
E840 |
Liquid Cooler Gen Fault 1 |
Communication and control board |
- Generic error of the external heat exchanger 1. |
|
E841 |
Liquid Cooler Gen Fault 2 |
Communication and control board |
- Generic error of the external heat exchanger 2. |
|
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) |
|
W005 |
UV Grid |
Conversion module |
- Line voltage measured by the inverter below the minimum set threshold |
|
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. |
|
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) |
