Kaco Powador 3200 Operating Instructions Manual page 47

M a in tenance/Tro u b le s ho ot in g
Authorised electrician
9.4.2 Troubleshooting
B = Action of the operator
E = The indicated work may only be carried out by an authorised electrician.
K = The indicated work may only be carried out by a service employee of KACO new energy GmbH.
Fault
Cause of fault
The display is blank Grid voltage not
and the LEDs do not available
light up.
The inverter stops Faulty grid
feeding into the separation relay in
grid shortly after the inverter.
being switched on,
even though there
is sunlight present.
Grid-feed is
The inverter is
interrupted due to
active but does
a grid fault.
not feed into the
grid. The display
indicates a line
failure.
The grid fuse trips. The grid fuse
capacity is too
low.
The grid fuse trips. Damage to
the inverter's
hardware.
Daily yields do Tolerances of
not correspond to the measuring
the yields on the elements in the
feed-in meter. inverter.
Table 6: Troubleshooting
Operating Instructions Powador 3200-6600_EN
Explanation/remedy
 Check whether the DC and AC voltages are within the
permitted limits (see Technical Data).
 Notify KACO Service.
If the grid separation relay is defective, the inverter will
recognise this during the self-test.
 Ensure that there is suffi cient PV generator power.
 If the grid separation relay is defective, have it replaced
by KACO Service.
 Notify KACO Service.
Due to a grid fault (over/undervoltage, over/underfrequency),
the inverter stopped the feed-in process and disconnected
from the grid for safety reasons.
 Change the line parameters within the permitted
operating limits (see the "Start-Up" section).
In cases of high solar radiation, the inverter exceeds its rated
current for a short period, depending on the PV generator.
 Select the capacity of the inverter's pre-fuse to be
somewhat higher than the maximum feed-in current
(see the "Installation" section).
 Contact the grid operator if the grid failure continues to
occur.
If the line fuse trips immediately when the inverter goes
into feed-in mode (after the start-up period is complete), the
inverter's hardware is probably damaged.
 Contact KACO Service to test the hardware.
The measuring elements of the inverter have been selected
to ensure maximum yields. Due to these tolerances, the daily
yields shown may deviate from the values on the feed-in
meter by up to 15%.
 No action
By
E
E
E
E
E
E
E
E
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