Delta SoLiViA 3.3 Installation Manual download pdf (Page 34)

34 Operation and installation manual SOLIVIA 3.3 AP G3 TR

(In the eld, the rst step is to scan for potential fault causes that could be picked up by

the solar inverter and result in tripping.)

Various key parameters can be scanned via the display, thereby enabling conclusions

to be drawn about potential fault causes.

Current values in the N menu

AC Voltage -> Display of current output voltage -> Voltage limiting values

AC Frequency -> Display of current grid frequency -> Frequency limiting values

Solar Voltage -> Display of current PV cell voltage -> Switch-in threshold

9.2 Display messages

LED STATUS

DISPLAY

MESSAGE

CAUSE ELIMINATION

green: <on>

red: <on>

yellow: <on>

Display communication

faulty.

If the fault persists after the device

has been reset, please inform your

service technician.

green: <off>

red: <off>

yellow: <on>

AC frequency

failure

Grid frequency overshoo-

ting or undershooting

specied limit range.

Check the grid frequency via the

display in the N menu.

green: <off>

red: <off>

yellow: <on>

AC voltage

failure

Grid voltage overshooting

or undershooting specied

limit range.

Check the grid voltage via the

display in the N menu.

If no voltage present, check grid

automatic circuit breaker.

green: <off>

red: <off>

yellow: <on>

AC relay

failure

One of the anti-islanding

protection output relays is

faulty / defective.

The solar inverter is defective.

Return the device.

green: <ashes>

red: <off>

yellow: <off>

Calibration

ongoing

Check internal settings. Normal function before input mode.

green: <off>

red: <off>

yellow: <on>

DC injection

failure

DC component of input-

side alternating current is

too high.

If the fault persists after the device

has been reset, please inform your

service technician.

green: <off>

red: <off>

yellow: <on>

Error # 301

Internal communication

error or hardware fault.

If the fault persists after the device

has been reset, please inform your

service technician.

green: <off>

red: <off>

yellow: <on>

Error # 302

The device trips and

reverts to grid input mode

once the temperature has

dropped.

Check the installation site (no

direct sunlight, air circulation).

green: <off>

red: <on>

yellow: <off>

Error # 506

Error # 508

Isolation resistance fault

on the DC side during

start-up phase (# 508) or

running phase (# 506).

Check the isolation resistance on

the DC side of the PV modules.

green: <on>

red: <on>

yellow: <off>

Isolation

start-up

warning

Isolation run-

ning warning

Isolation resistance fault

on the DC side during

start-up phase or running

phase.

You must check the isolation

resistance on the DC side of the

PV modules. Solar inverter is still

feeding!

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