53
XSTORAGE HOME 3P INSTALLATION MANUAL
MN700009EN August 2020 www.eaton.com
00
Title
Alarm
Type
Solution
E019
Disconnection from the grid
imposed by the distribution
network operator.
Intervention on the interface device imposed by the network operator.
E020
Feeding in a direct current with
a value higher than the admitted
threshold.
Make sure that there is a direct current fed into the grid.
If the direct current fed into the grid does not fall within the permitted range for reasons
due to the local grid conditions, contact the grid operator to request approval for the
modification to the operating limits.
If the direct current fed into the grid it is within the allowed range, but the alarm persists,
please contact Eaton technical support representative.
E021
Feeding in a direct current with a
value higher than the maximum
instantaneous admitted threshold.
Make sure that there is a direct current fed into the grid.
If the direct current fed into the grid does not fall within the permitted range for reasons
due to the local grid conditions, contact the grid operator to request approval for the
modification to the operating limits.
If the direct current fed into the grid it is within the allowed range, but the alarm persists,
please contact Eaton technical support representative.
E022
Converter control system fault.
Switch off and restart the system.
Refer to the sections “System switching off” and “System switching on”
If the problem persists, please contact Eaton technical support representative.
E023
DC overcurrent.
Check the sizing and connections to the DC inputs of the system.
Refer to the section “Electrical connections”.
If the problem persists, please contact Eaton technical support representative.
E024
DC overcurrent.
Check the sizing and connections to the DC inputs of the system.
Refer to the section “Electrical connections”.
If the problem persists, please contact Eaton technical support representative.
E025
Loss of isolation of the PV
generator.
Check the DC lines leakage to ground.
E026
DC voltage out of range.
Immediately disconnect the system from the photovoltaic generator as it could be
damaged.
Check the sizing of the system.
Check the no-load voltage of the photovoltaic generator.
E027
BATTERY overcurrent.
Check the sizing and connections at the BATTERY inputs.
Refer to the section “Electrical connections”.
If the problem persists, please contact Eaton technical support representative.
E028
Battery not recognized.
Check the connections and polarity at the BATTERY inputs.
Check the battery voltage and make sure it is within the limits allowed for operation.
Refer to the section “Electrical connections”.
If the problem persists, please contact Eaton technical support representative.
E029
Circuit breaker tripped.
Check the correct positioning of the inverter and that the installation complies with the
provisions contained in this manual in the “Positioning” and “Mounting” sections.
Check that the ambient temperature is within the allowed range.
Check the correct operation of the cooling fans.
Check that there is no accumulation of dust near the ventilation openings.
If the problem persists, please contact Eaton technical support representative.
E030
Overload protection
Check the sizing and the output connections to the system.
Reduce the domestic load connected to the inverter.
Refer to the section “Electrical connections”.
If the problem persists, please contact Eaton technical support representative.
