Faults - Kaco blueplanet 15.0TL3 Manual

11.6.2 DC connection
DANGER
Destruction of the DC plug connectors
DC plug connectors can be destroyed by arcing if disconnected while still live. It is absolutely essential that
the following shutdown sequence be carried out in the correct order:
› Check that there is no current in any of the DC cables using a clip-on ammeter.
› Disconnect all DC connections one by one.
↻ Ensure there is no AC/DC voltage present.
↻ Check that there is no current using a clip-on ammeter.
↻ NOTE: Plug connectors may be unplugged under voltage, but never under
load.
1 Use a screwdriver (blade width 3 mm) to push out the latch on the coupling.
2 Leave the screwdriver in place.
3 Disconnect the DC connector from the DC socket.
11.7

Faults

11.7.1 Procedure
DANGER
Lethal voltages are still present in the connections and cables of the device even after the device has
been switched off and disconnected!
Severe injuries or death may occur if the cables and/or terminals/busbars in the device are touched.
› If a fault occurs, notify an appropriately authorized and qualified electrician or KACO new energy
GmbH Service.
› The operator can only carry out actions marked with a B.
NOTE
In case of power failure, wait for the system to automatically restart. Notify your electrician if there is an
extended power failure.
11.7.2 Rectifying a fault
Fault Possible cause
The display is blank and Grid voltage not avail-
the LEDs do not light up able
The device stops feeding Faulty grid separation
into the grid shortly relay in the device.
after being switched on,
even though there is
sunlight present.
KACO blueplanet 15.0TL3 KACO blueplanet 20.0TL3
Explanation/remedy
› Check whether the DC and AC voltages are within the permit-
ted limits (see Technical Data)
› Notify KACO Service.
If the grid separation relay is defective, the device will recog-
nise this error during the self-test.
› Ensure that there is sufficient PV generator power.
› If the grid separation relay is defective, have it replaced by
KACO Service.
› Notify KACO Service.
2
2
1
Fig. 62: Unplugging the plug con-
nector
1 Screwdriver
2 Latch
1
By
E
E
K
E
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