Event Messages


Event number

Message, cause and corrective measures

101

Grid overvoltage (spot value)

The grid voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid.

Corrective measures:

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

102

Grid overvoltage fast

Corrective measures:

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

103

Grid overvoltage slow

Corrective measures:

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

105

Grid overvoltage very fast

Corrective measures:

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

202

Grid undervoltage fast

The utility grid has been disconnected, the AC cable is damaged or the grid voltage at the connection point of the inverter is too low. The inverter has disconnected from the utility grid.

Corrective measures:

  • Ensure that the miniature circuit breaker is switched on.

  • Ensure that the AC cable is not damaged and that it is connected correctly.

  • Ensure that the country data set has been configured correctly.

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

203

Grid undervoltage slow

The utility grid has been disconnected, the AC cable is damaged or the grid voltage at the connection point of the inverter is too low. The inverter has disconnected from the utility grid.

Corrective measures:

  • Ensure that the miniature circuit breaker is switched on.

  • Ensure that the AC cable is not damaged and that it is connected correctly.

  • Ensure that the country data set has been configured correctly.

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

205

PLL not within limits

The utility grid has been disconnected, the AC cable is damaged or the grid voltage at the connection point of the inverter is too low. The inverter has disconnected from the utility grid.

Corrective measures:

  • Ensure that the miniature circuit breaker is switched on.

  • Ensure that the AC cable is not damaged and that it is connected correctly.

  • Ensure that the country data set has been configured correctly.

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

206

Grid undervoltage very fast

The utility grid has been disconnected, the AC cable is damaged or the grid voltage at the connection point of the inverter is too low. The inverter has disconnected from the utility grid.

Corrective measures:

  • Ensure that the miniature circuit breaker is switched on.

  • Ensure that the AC cable is not damaged and that it is connected correctly.

  • Ensure that the country data set has been configured correctly.

  • Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

301

Grid incident

The ten-minute average value of the grid voltage is no longer within the permissible range. The grid voltage or grid impedance at the connection point is too high. The inverter disconnects from the utility grid to maintain power quality.

Corrective measures:

  • During the feed-in operation, check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

    If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

    If the grid voltage is permanently within the permissible range and this message is still displayed, contact the Service.

401

Grid incident

The inverter has disconnected from the utility grid. A stand-alone grid or a very large change in the grid frequency was detected.

Corrective measures:

  • Check the grid connection for significant short-term frequency fluctuations.

404

Frequency change not permitted

The inverter has disconnected from the utility grid. A stand-alone grid or a very large change in the grid frequency was detected.

Corrective measures:

  • Check the grid connection for significant short-term frequency fluctuations.

501

Grid incident

The grid frequency is not within the permissible range. The inverter has disconnected from the utility grid.

Corrective measures:

  • If possible, check the grid frequency and observe how often fluctuations occur.

    If fluctuations occur frequently and this message is displayed often, contact the grid operator and request approval to change the operating parameters of the inverter.

    If the grid operator gives his approval, discuss any changes to the operating parameters with the Service.

507

Active power limit AC frequency

The inverter has reduced its power due to a too-high power frequency to ensure grid stability.

Corrective measures:

  • If possible, check the grid frequency and observe how often fluctuations occur. If fluctuations occur frequently and this message is displayed often, contact the grid operator and request approval to change the operating parameters of the inverter. If the grid operator gives his approval, discuss any changes to the operating parameters with the Service.

601

Grid incident

The inverter has detected an excessively high proportion of direct current in the grid current.

Corrective measures:

  • Check the grid connection for direct current.

  • If this message is displayed frequently, contact the grid operator and check whether the monitoring threshold on the inverter can be raised.

701

Frequency not permitted > Check parameter

The grid frequency is not within the permissible range. The inverter has disconnected from the utility grid.

Corrective measures:

  • If possible, check the grid frequency and observe how often fluctuations occur.

    If fluctuations occur frequently and this message is displayed often, contact the grid operator and request approval to change the operating parameters of the inverter.

    If the grid operator gives his approval, discuss any changes to the operating parameters with the Service.

901

Grounding connection missing > Check connection

The grounding conductor is not correctly connected.

Corrective measures:

  • Ensure that the grounding conductor is correctly connected.

1001

L / N swapped > Check connection

The connection of U/W and O is swapped.

Corrective measures:

  • Ensure that U/W and O are correctly connected.

1101

Installation fault > Check connection

A second line conductor is connected to O.

Corrective measures:

  • Connect the neutral conductor O to the correct terminal at the AC connector.

1302

Waiting for grid voltage > Installation failure grid connection > Check grid and fuses

U/W or O not connected.

Corrective measures:

  • Ensure that U/W and O are connected.

  • Ensure that the miniature circuit breaker is switched on.

  • Ensure that the AC cable is not damaged and that it is connected correctly.

1501

Reconnection fault grid

The value of a grid parameter you have set does not correspond to the local requirements. The inverter cannot connect to the utility grid.

Corrective measures:

  • Ensure that all grid parameters are set correctly.

3302

3303

Unstable operation

There is not enough power at the DC input of the inverter for stable operation. The inverter cannot connect to the utility grid.

Corrective measures:

  • Ensure that the PV array is designed correctly.

  • Ensure that the PV array is not covered by snow or otherwise shaded.

  • Ensure that the PV array is free of errors.

3401

3402

DC overvoltage > Disconnect PV array

Overvoltage at the DC input. This can destroy the inverter.

This message is signalized additionally by rapid flashing of the LEDs.

Corrective measures:

  • Immediately disconnect the inverter from all voltage sources.

  • Check whether the DC voltage is below the maximum input voltage of the inverter. If the DC voltage is below the maximum input voltage of the inverter, reconnect the DC connectors to the inverter.

  • If the DC voltage exceeds the maximum input voltage of the inverter, ensure that the PV array has been correctly rated or contact the installer of the PV array.

  • If this message is repeated frequently, contact Service.

3501

Insulation failure > Check generator

The inverter has detected a ground fault in the PV array.

Corrective measures:

  • Check the PV system for ground faults.

3701

Residual current too high > Check PV array

The inverter has detected a residual current due to temporary grounding of the PV array.

Corrective measures:

  • Check the PV system for ground faults.

3801

3802

DC overcurrent > Check PV array

Overcurrent at the DC input. The inverter briefly interrupts feed-in operation.

Corrective measures:

  • If this message is displayed frequently, ensure that the PV array has been correctly rated and wired.

3901

3902

Waiting for DC start conditions > Start conditions not met

The feed-in conditions for the utility grid are not yet fulfilled.

Corrective measures:

  • Ensure that the PV array is not covered by snow or otherwise shaded.

  • Wait for higher irradiation.

  • If this message is displayed frequently in the morning, increase the voltage limit for starting grid feed-in. Change the parameter Critical voltage to start feed-in.

  • If this message is displayed frequently with medium irradiation, ensure that the PV array is correctly rated.

6001-6416

Self-diagnosis > Device disturbance

The cause must be determined by the Service.

Corrective measures:

  • Contact the Service.

6501

6502

6509

Self-diagnosis > Overtemperature

The inverter has switched off due to excessive temperature.

Corrective measures:

  • Clean the cooling fins on the rear of the enclosure and the air ducts on the top using a soft brush.

  • Ensure that the inverter has sufficient ventilation.

  • Ensure that the ambient temperature does not exceed 40 °.

  • Ensure that the inverter is not exposed to direct solar irradiation.

6512

Minimum operating temperature not reached

The inverter will only recommence grid feed-in once the temperature has reached at least −25°C.

6603

6604

Self-diagnosis > Overload

The cause must be determined by the Service.

Corrective measures:

  • Contact the Service.

7001

7002

Sensor fault

A temperature sensor in the inverter is defective and the inverter interrupts the feed-in operation. The cause must be determined by the Service.

Corrective measures:

  • Contact the Service.

7201

7202

Data storage not possible

7303

Host computer update failed

The cause must be determined by the Service.

Corrective measures:

  • Contact the Service.

7320

The device was successfully updated

The firmware update was completed successfully.

7324

Wait for update conditions

7330

Condition test failed

The testing of the update conditions was not successful. The firmware update package is not suitable for this inverter.

7331

Update transport started

Update file is being copied.

7332

Update transport successful

Update file was copied successfully to the inverter's internal memory.

7333

Update transport failed

Update file could not be copied to the inverter's internal memory. In the event of connection with the inverter via Wi-Fi network, a poor connection quality can be the cause.

Corrective measures:

  • Retry update.

  • For Wi-Fi connection: Improve the Wi-Fi connection quality (e.g. via Wi-Fi repeater) or establish connection with the inverter via Ethernet.

  • If this message is displayed again, contact the Service.

7340

Update communication failed

7342

Update Bootloader failed

The bootloader update failed.

Corrective measures:

  • Retry update.

  • If this message is displayed again, contact the Service.

7347

Incompatible file

The configuration file is not suitable for this inverter.

Corrective measures:

  • Ensure that the selected configuration file is suitable for this inverter.

  • Retry import.

7348

Incorrect file format

The configuration file is not of the required format or is damaged.

Corrective measures:

  • Ensure that the selected configuration file is of the required format and is not damaged.

  • Retry import.

7349

Incorrect login rights for configuration file

The user group logged in does not have the user rights necessary to be able to import a configuration.

Corrective measures:

  • Log in as Installer.

  • Import configuration file again.

7350

Transfer of a configuration file has started

The configuration file is being transferred.

7353

Update time zone database

The inverter is updating the time zone database.

7354

Update of time zone database not successful

The update of the time zone database failed.

Corrective measures:

  • Retry update.

  • If this message is displayed again, contact the Service.

7356

Update of the WebUI not successful

The update of the inverter user interface failed.

Corrective measures:

  • Retry update.

  • If this message is displayed again, contact the Service.

7701

Grid disconnection point

Grid relay of the inverter defective.

Corrective measures:

  • Contact the Service.

7702

Relay defect

Grid relay of the inverter defective.

Corrective measures:

  • Contact the Service.

7703

24h relay test

Relay test failed.

Corrective measures:

  • If this message is displayed again, contact the Service.

8003

Active power limit Temperature

The inverter has reduced its power output for more than 10 minutes due to excessive temperature.

Corrective measures:

  • Clean the cooling fins on the rear of the enclosure and the air ducts on the top using a soft brush.

  • Ensure that the inverter has sufficient ventilation.

  • Ensure that the ambient temperature does not exceed 40 °.

  • Ensure that the inverter is not exposed to direct solar irradiation.

8101

8102

8103

8104

Communication failure

The cause must be determined by the Service.

Corrective measures:

  • Contact the Service.

9002

SMA Grid Guard code invalid

The SMA Grid Guard code entered is incorrect. The operating parameters are still protected and cannot be changed.

Corrective measures:

  • Enter the correct SMA Grid Guard code.

9003

Grid parameters locked

Changes to the grid parameters are now blocked. In order to be able to make changes to the grid parameters, from now on you must log in using the SMA Grid Guard code.

9007

Abort self-test

The self-test (Italy only) was terminated.

Corrective measures:

  • Ensure that the AC connection is correct.

  • Restart the self-test.

10108

Time adjusted / old time

10109

Time adjusted / new time

10110

Time synchronization failed: |tn0|

No time information could be called up from the set NTP server.

Corrective measures:

  • Ensure that the NTP server was configured correctly.

  • Ensure that the inverter is integrated into a local network with Internet connection.

10118

Parameter upload complete

The configuration file was loaded successfully.

10248

[Interface]: network busy

The network is busy. Data exchange between the devices is not at an optimum and is greatly delayed.

Corrective measures:

  • Increase the query intervals.

  • If necessary, reduce the number of devices in the network.

10249

[Interface]: network overloaded

The network is overloaded. There is no data exchange between the devices.

Corrective measures:

  • Reduce the number of devices in the network.

  • If necessary, increase the data query intervals.

10250

[Interface]: package error rate [ok / high]

The package error rate has changed. If the package error rate is high, the network is overloaded or the connection to the network switch or DHCP server (router) is impaired.

Corrective measures if the package error rate is high:

  • Ensure that with an Ethernet connection, the network cable and the network connector are not damaged and that the network connectors are correctly plugged.

  • If necessary, increase the data query intervals.

  • If necessary, reduce the number of devices in the network.

10251

[Interface]: communication status goes to [OK / Warning / Error / Not connected]

The communication status to the network switch or DHCP server (router) has changed. An additional error message may be displayed.

10252

[Interface]: communication disrupted

There is no valid signal on the network line.

Corrective measures:

  • Ensure that with an Ethernet connection, the network cable and the network connector are not damaged and that the network connectors are correctly plugged.

  • Ensure that the DHCP server (router) and any network switches are signalizing correct operation.

10253

[Interface]: connection speed goes to [100 Mbit / 10 Mbit]

The data transfer rate has changed. The cause for the status [10 Mbit] can be a defective plug, a defective cable or the pulling or plugging of the network connector.

Corrective measures if the status is [10 Mbit]:

  • Ensure that with an Ethernet connection, the network cable and the network connector are not damaged and that the network connectors are correctly plugged.

  • Ensure that the DHCP server (router) and any network switches are signalizing correct operation.

10254

[Interface]: duplex mode goes to [Full / Half]

The duplex mode (data transfer mode) has changed. The cause for the status [Half] can be a defective plug, a defective cable or the pulling or plugging of the network connector.

Corrective measures if the status is [Half]:

  • Ensure that with an Ethernet connection, the network cable and the network connector are not damaged and that the network connectors are correctly plugged.

  • Ensure that the DHCP server (router) and any network switches are signalizing correct operation.

10255

[Interface]: Network load OK

The network load has returned to a normal range after being busy.

10282

[User group]-Login via [protocol] locked

After several incorrect login attempts, login has been blocked for a limited time. In this case, the User login will be blocked for 15 minutes, the Grid Guard login for 12 hours.

Corrective measures:

  • Wait until the given time has expired and then retry login.

10283

Wi-Fi module faulty

The Wi-Fi module integrated in the inverter is defective.

Corrective measures:

  • Contact the Service.

10284

No Wi-Fi connection possible

The inverter does not currently have a Wi-Fi connection to the selected network.

Corrective measures:

  • Ensure that the SSID, the Wi-Fi password and the encryption method have been entered correctly. The encryption method is specified by your Wi-Fi router or Wi-Fi access point and can be changed there.

  • Ensure that the Wi-Fi router or Wi-Fi access point is in range and is signalizing correct operation.

  • If this message is displayed often, improve the Wi-Fi connection by using a Wi-Fi repeater.

10285

Wi-Fi connection established

Connection to the selected Wi-Fi network has been established.

10286

Wi-Fi connection lost

The inverter has lost Wi-Fi connection to the selected network.

Corrective measures:

  • Ensure that the Wi-Fi router or Wi-Fi access point is still active.

  • Ensure that the Wi-Fi router or Wi-Fi access point is in range and is signalizing correct operation.

  • If this message is displayed often, improve the Wi-Fi connection by using a Wi-Fi repeater.

10287

Wi-Fi module detected

10339

Webconnect enabled

The Webconnect function has been enabled.

10340

Webconnect disabled

The Webconnect function has been disabled.

10341

Webconnect error: no connection

No connection to Sunny Portal possible.

Corrective measures:

  • Ensure that the Internet connection is working properly.

  • Ensure that the Webconnect function is enabled.

  • Ensure that the network cable at the inverter is correctly connected.

10343

Webconnect error: Default gateway not configured

The standard gateway was not configured.

Corrective measures:

  • Configure the standard gateway.

10344

Webconnect error: DNS server not configured

DNS server was not configured.

Corrective measures:

  • Configure DNS server.

10345

Webconnect error: No reply to DNS request |xx|

DNS server not available

Corrective measures:

  • Ensure that the address of the DNS server has been entered correctly.

  • Ensure that the network cable at the inverter is correctly connected.

10352

Webconnect error: Faulty communication

No connection to Sunny Portal possible.

Corrective measures:

  • Ensure that the Internet connection is working properly.

  • Ensure that the Webconnect function is enabled.

  • Ensure that the network cable at the inverter is correctly connected.

10501

Active power is currently being limited due to an upper limit specification

The inverter limits the active power of the PV inverters to the limit set by an external device.

10517

Dynamic active power limitation started.

The inverter limits the active power of the PV inverters to the set limit.

10518

Dynamic active power limitation terminated.

The inverter terminated the active power limitation of the PV inverters.

27103

Set parameter

The parameter changes are being adopted.

27104

Parameters set successfully

The parameter changes were successfully adopted.

27107

Update file OK

The update file found is valid.

27301

Update communication

The inverter is updating the communication component.

27302

Update main CPU

The inverter is updating the inverter component.

27312

Update completed

The inverter has successfully completed the update.

29001

Inst. code valid

The entered Grid Guard code is valid. Protected parameters have now been unlocked and you can adjust the parameters. The parameters will be automatically locked again after 10 feed-in hours.

29004

Grid parameter unchanged

Changing the grid parameters is not possible.