9 Help in the event of faults
LED displays String
Meaning for the corresponding strings
status (1)
Flashing
|
red light.
|
Constant
|
red light
|
|
|
Not
lit.
|
|
|
LED display
Meaning
DC disconnect (2)
Lights up:
|
|
Not
lit.
|
|
|
LED display
Meaning
Power supply (3)
Lights up:
|
|
Not
lit.
|
60
Relay is temporarily switched off.
Negative voltages at the relevant string
inputs.
Serious fault.
Relay is switched off.
The current and voltage values have been
exceeded by at least one string (rapid
increase in values).
A fault in one of the strings (short circuit,
module damage, etc.) caused a reverse
current to flow.
U
< 300 V or
DC
No auxiliary voltage supply (230 V
No strings connected.
DC disconnect
DC disconnect is switched on.
Device is ready for operation.
Device is not connected.
DC disconnect is switched off.
No auxiliary voltage supply (230 V)
LED display, power supply
Auxiliary voltage supply (230 V) is present.
Device is ready for operation.
Auxiliary voltage supply (230 V) is not
present.
Action
If there is no longer any fault,
|
the relay switches itself back
on.
Check the wiring and polarity of
|
the strings.
Check the strings
|
(see Chapter 7.2, page 47).
Restart the device
|
(see Chapter 10.1, page 67).
Check the strings
|
) or
(see Chapter 7.2, page 47).
AC
Check the auxiliary voltage
|
supply.
Action
No measures necessary.
|
Connect the device.
|
Check and connect the auxiliary
|
)
voltage supply.
AC
If the fault still persists, replace
|
the device (see Chapter 10.2,
page 67).
Action
No measures necessary.
|
Check and connect the auxiliary
|
voltage supply.
If the fault still persists, replace
|
the device.
SmartConnect
Operating manual