ABB PVS-50-TL

- 151 -
000761AG
8 - Maintenance
- Error code
- Error message
- Warning
Name of Alarm and Cause Solution
- E015
- Bulk Cap Fail
- 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
- Inverter Fail
- 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
- Start Timeout
- 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 sufcient 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 signicantly
higher than the activation voltage, contact customer
assistance.
- E018
- Ground 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 inuenced by the environmental
conditions, so must be made under the same conditions in
which the error occurred.
- If the value measured is lower than 1 megaohm, 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 1 megaohm and the
error signal persists, contact customer assistance.
- E019
- Ileak sense.fail
- Yellow LED
Failure of test on sensor to measure the leakage
current (DC side):
Before connecting to the grid the inverter runs a
self-test regarding the sensor for the leakage current.
The test is carried out by “forcing", in the sensor of
the leakage current, a current with a known value:
the microprocessor compares the value read with the
known value.
The error is generated if the comparison between the
read value and the known value during the test does
not fall within the allowed tolerance.
• Error inside the inverter and cannot be checked externally.
By its nature, the alarm only occurs prior to connection to the
grid
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
- E020
- Self Test Error 1
- Yellow LED
Failure of the test on the relay of the “Booster”
(DC-DC circuit):
Before connecting to the grid, the inverter carries
out some internal tests. One of these tests concerns
the correct operation of the booster relay. The test is
carried out by “forcing” the switching of the relay and
checking its operation.
The error is generated if a problem is found in
actioning the relay.
• Error inside the inverter and cannot be checked externally.
By its nature, the alarm only occurs prior to connection to the
grid
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
- E021
- Self Test Error 2
- Yellow LED
Failure of the test on the inverter's relay (DC-AC
circuit):
Before connecting to the grid, the inverter carries
out some internal tests. One of these tests concerns
the correct operation of the inverter relay. The test is
carried out by “forcing” the switching of the relay and
checking its operation.
The error is generated if a problem is found in
actioning the relay.
• Error inside the inverter and cannot be checked externally.
By its nature, the alarm only occurs prior to connection to the
grid
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.