6 faults – KACO blueplanet 5.0 - 9.0 TL3 User Manual

Page 47

Maintenance/Troubleshooting

Operating Manual KACO blueplanet 5.0TL3 - 9.0TL3

Page 47

Authorised electrician

Disconnect DC plug connection

↻ Ensure there is no AC/DC voltage present.
1.

Use a screwdriver (blade width 3 mm) to push down the latch on the coupling.

2. Leave the screwdriver in place.

3. Separate socket with plug.

Unfasten DC cable

4. Unscrew cable fi tting.

5. Insert screwdriver on the side (see Figure 40 on page 46).

6. Pry open connection and pull apart sleeve with insert.

7. Open spring with the screwdriver.

8. Remove

wires.

9.6 Faults

9.6.1 Procedure

DANGER

Lethal voltages are still present in the terminals and cables of the inverter even after the
inverter has been switched off and disconnected.

Severe injuries or death result if the cables and terminals in the inverter are touched.

 When a fault occurs, notify an appropriately authorised and qualifi ed electrician or KACO new

energy GmbH Service.

 The operator can only carry out actions marked with a B.

 In case of power failure, wait for the system to automatically restart.

 Notify your electrician if there is an extended power failure.

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!

9.6.2 Troubleshooting

Fault

Cause of fault

Explanation/remedy

The display is
blank and the
LEDs do not light
up.

Grid voltage not
available

 Check whether the DC and AC voltages are within the per-

mitted limits (see Technical Data).

 Notify KACO Service.

The inverter stops
feeding into the
grid shortly after
being switched
on, even though
there is sunlight
present.

Faulty grid sepa-

ration relay in the
inverter.

If the grid separation relay is defective, the inverter will recog-

nise 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.