EN
126
- Error code
- Error message
- LED status
Name of Alarm and Cause
Solution
- E009
- Internal error
- Yellow LED
Error inside the inverter:
Error inside the inverter
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
- E010
- Bulk UV
- Yellow LED
Low “Bulk” voltage (DC-DC circuit):
The alarm can be caused by causes
external to the inverter: a reduced input
voltage on the inverter (just above the
activation voltage) but which is not
accompanied by a sufficient availability
of power from the photovoltaic generator
(typical condition of the stages with limited
irradiation)
- If the error signal occurs sporadically, it may be due to causes
external to the inverter (limited irradiation and so limited power
availability from the PV generator).
- If the problem occurs systematically even in conditions of high
irradiation and with input voltage which is significantly higher
than the activation voltage, contact customer assistance.
- E011
- Ramp Fault
- Yellow LED
Long wait for “Booster” regime to start:
Error internal to inverter relating to start up
time for DC-DC circuit regime (Booster)
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
- E012
- Internal error
- Yellow LED
Error in the “Booster” circuit (DC-DC side)
recorded by the “Inverter” circuit (DC-AC
side):
Error inside the inverter regarding the
operation of the DC-DC circuit part
(Booster).
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
- E014
- Over temp.
- Yellow LED
Excessive temperature inside the inverter:
External temperature over 60°C. This
parameter also depends on the power
which the inverter must supply since the
measurement of temperatures is done
internally and is influenced by the heat
dissipated by the components of the
inverter itself
• Check that the inverter is not exposed to direct sunlight. Wait
for the temperatures to which the inverter is exposed to return
to the operating range and for the inverter to cool down.
- If the problem persists (once the ambient temperature has
returned to within the range), contact customer assistance.
You must remember to wait for the time necessary to allow the
inverter to cool down.
- E015
- Cap. Fault
- Yellow LED
Breakdown recorded on the “Bulk”
capacitor:
Error inside the inverter regarding a
problem in the bulk capacitors.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
- E016
- Internal error
- Yellow LED
Error in the “Inverter” circuit (DC-AC side)
recorded by the “Booster” circuit (DC-DC
side):
The alarm is generated when a problem
is detected in the inverter circuit part (DC/
AC).
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
- E017
- Internal error
- Yellow LED
Long wait for “Inverter” regime to start up:
Error internal to inverter relating to start-up
time for the DC-AC circuit regime (Inverter)
The alarm can be caused by causes
external to the inverter: a reduced input
voltage on the inverter (just above the
activation voltage) but which is not
accompanied by a sufficient availability
of power from the photovoltaic generator
(typical condition of the stages with limited
irradiation)
- If the error signal occurs sporadically, it may be due to causes
external to the inverter (limited irradiation and so limited power
availability from the PV generator).
- If the problem occurs systematically even in conditions of high
irradiation and with input voltage which is significantly higher
than the activation voltage, contact customer assistance.
- E018
- Leak fault
- Red LED
High leakage current measured on the DC
side (photovoltaic generator):
The alarm is generated when, during
normal operation of the inverter, a leakage
current to ground is detected in the DC
section of the system. It is also possible
that the inverter generates the alarm E018
message also due to AC leakage currents
connected to the capacitive nature of
the photovoltaic generator compared to
ground.
• Measure the isolation resistance using a megohmmeter
positioned in the photovoltaic array (positive terminal short-
circuited at the negative pole) compared to ground. The
measurement is strongly influenced by the environmental
conditions, so must be made under the same conditions in
which the error occurred.
- If the value measured is lower than 75kOhm, a check must
be carried out by a technician/installer on the photovoltaic
generator to identify and eliminate the problem.
- If the value measured is higher than 75kOhm and the error
signal persists, contact customer assistance.