Event Messages


Event number

Message, cause and corrective measures

101 to 105

Grid fault

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:

  • Ensure that the correct country data set has been configured Configuring the Country Data Set).

  • 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 Contact).

202 to 206

Grid fault

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:

  • Make sure that the 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 Contact).

401 to 404

Grid fault

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

Corrective measures:

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

501

Grid fault

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

Corrective measures:

  • If possible, check the power 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 Service Contact).

601

Grid fault

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

Frq. not permitted > Check parameter

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

Corrective measures:

  • If possible, check the power 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 Service Contact).

1001

L/N swapped > Check connection

The connection of L and N is swapped.

Corrective measures:

  • Ensure that L and N are correctly connected (see installation manual).

1302

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

L or N not connected.

Corrective measures:

  • Ensure that L and N are connected (see installation manual).

  • Ensure that the AC conductors are not damaged and correctly connected (see installation manual).

  • Make sure that the circuit breaker is switched on.

1501

Reconnection fault grid

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

Corrective measures:

  • Ensure that the country data set has been configured correctly. To do this, select the parameter Set country standard and check the value.

3301 to 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 to 3407

DC overvoltage > Disconnect generator

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

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

Corrective measures:

  • Disconnect the inverter from voltage sources immediately (see installation manual).

  • 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 terminal block with the connected DC conductors 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 the Service Contact).

3501

Insulation failure > Check generator

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

Corrective measures:

3601

High discharge curr. > Check generator

The leakage current of the inverter and the PV array is too high. There is a ground fault, a residual current or a malfunction.

The inverter interrupts feed-in operation immediately after exceeding a threshold. When the fault is eliminated, the inverter automatically reconnects to the utility grid.

Corrective measures:

3701

Resid.curr.too.high > Check generator

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

Corrective measures:

3801

DC overcurrent > Check generator

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 to 3902

Waiting for DC start conditions > Start cond. 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.

4301

Electric arc detected > Check DC generator

The inverter has detected an electric arc. The inverter interrupts grid feed-in and cannot connect to the utility grid.

Corrective measures:

6512

Minimum operating temperature not reached

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

6701 to 6702

Communication disturbed

Error in the communication processor, the inverter continues feeding in, however. The cause must be determined by the Service.

Corrective measures:

  • If this message is displayed frequently, contact the Service Contact).

6803

Self-diagnosis > Input A defective

Corrective measures:

  • Check whether a string is connected to input A. If a string that once was connected is not used anymore, the string-failure detection must be reset.

  • Contact the Service Contact).

6903

Self-diagnosis > Input B defective

Corrective measures:

  • Check whether a string is connected to input B. If a string that once was connected is not used anymore, the string-failure detection must be reset.

  • Contact the Service Contact).

7106

Update file defect.

The update file is defective. The update failed. The inverter continues to feed in.

7110

No update file found

No new update file was found on the SD memory card. The update failed. The inverter continues to feed in.

7112

Update file successfully copied

7113

The memory card is full or write-protected

7303

Update main CPU failed

The cause must be determined by the Service.

Corrective measures:

7324

Wait for update conditions

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

Corrective measures:

  • Retry update.

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

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

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 WLAN, a poor connection quality can be the cause.

Corrective measures:

  • Retry update.

  • For WLAN connection, improve the WLAN connection quality (e.g. via SMA Antenna Extension Kit) or establish connection with the inverter via Ethernet.

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

7340

Update communication failed

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.

7350

Transfer of a configuration file has started

The configuration file is being transferred.

7351

Update WLAN

The inverter is updating the WLAN module.

7352

Update of WLAN not successful

The update of the WLAN module failed.

Corrective measures:

  • Retry update.

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

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 Contact).

7355

Update WebUI

The inverter is updating the inverter user interface.

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 Contact).

7619

Communication fault with meter unit > Check communication to meter

The inverter is not receiving any data from the energy meter.

Corrective measures:

  • Ensure that the energy meter is correctly integrated into the same network as the inverter (see energy meter manual).

  • For WLAN connection, improve the WLAN connection quality (e.g. via SMA Antenna Extension Kit) or connect the inverter with the DHCP server (router) via Ethernet.

8003

Active power limited derating

The inverter has reduced its power output for more than ten 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 +45°C (113°F) has not been exceeded.

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

8206

Electr. arc detected > Please confirm by tapping

The inverter has detected an electric arc and was recommissioned after a disconnection. By tapping, you are confirming that you have repaired any possible damage to PV modules, DC conductors or plugs in the PV system.

Corrective measures:

  • Tap on the enclosure lid of the Connection Unit within ten seconds of the message appearing in order to recommission the inverter.

8503

Self-diagnosis > Input C defective

Corrective measures:

  • Check whether a string is connected to input C. If a string that once was connected is not used anymore, the string-failure detection must be reset.

  • Contact the Service Contact).

8708

Timeout in communication for active power limitation

Communication to the system control absent. Depending on the fall-back setting, either the last received values will be retained or the active power will be limited to the set percentage value of the inverter nominal power.

Corrective measures:

  • Ensure that the connection to the system manager (e.g. Sunny Home Manager) is intact and that no cables are damaged or that no plugs have been pulled.

8801 to 8803

No display

No information can be shown on the display.

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 parameter 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.

9005

Changing of grid parameters not possible > Ensure DC supply

This error can have the following causes:

  • The parameters to be changed are protected.

  • The DC voltage at the DC input is not sufficient to run the main CPU.

Corrective measures:

  • Enter the SMA Grid Guard code.

  • Ensure that at least the DC start voltage is available (green LED is flashing, pulsing or glowing).

9202

SPS AC overvoltage

An AC source has been connected to the socket connection for secure power supply operation.

Corrective measures:

  • Check the connection at the SPS slots, and make any necessary corrections.

9203

Short circuit in the SPS power outlet

The maximum initial load has been overshot or the appliance's initial current is above the maximum permissible load current of the connection for secure power supply operation for more than 5 s.

Corrective measures:

  • Reduce the load at the connection for secure power supply operation.

  • If necessary, select an appliance with a lower initial current.

10110

Time synchronization failed: [x]

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.

10248 to 10249

Load reduced through device reduction or increase of query interval

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

Corrective measures:

  • Reduce the number of devices in the network.

  • If necessary, increase the data query intervals.

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

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 disturbed.

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

WLAN module faulty

The WLAN module integrated in the inverter is defective.

Corrective measures:

10284

No WLAN connection possible

The inverter does not currently have a WLAN connection to the selected network.

Corrective measures:

  • Ensure that the SSID, the WLAN password and the encryption method have been entered correctly. The encryption method is specified by your WLAN router or WLAN Access Point and can be changed there.

  • Ensure that the WLAN router or WLAN Access Point is in range and is signalizing correct operation.

  • If this message is displayed often, improve the WLAN connection by using a WLAN repeater (e.g. SMA Antenna Extension Kit).

10285

WLAN connection established

Connection to the selected WLAN network has been established.

10286

WLAN connection lost

The inverter has lost WLAN connection to the selected network.

Corrective measures:

  • Ensure that the WLAN router or WLAN Access Point is still active.

  • Ensure that the WLAN router or WLAN Access Point is in range and is signalizing correct operation.

  • If this message is displayed often, improve the WLAN connection by using a WLAN repeater (e.g. SMA Antenna Extension Kit).

10339

Webconnect enabled

The inverter can communicate with Sunny Portal without an additional SMA communications product (e.g. Cluster Controller).

10340

Webconnect disabled

The Webconnect function has been switched off. This means that the inverter can not communicate with Sunny Portal without an additional SMA communications product (e.g. Cluster Controller).

  • If the inverter is to communicate with Sunny Portal without an additional SMA communication product, switch the Webconnect function on.

10341

Webconnect error: no connection

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10343

Webconnect error: Default gateway not configured

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10344

Webconnect error: DNS server not configured

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10345

No reply to DNS request

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10346

SIP proxy DNS resolution failed

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10347

Stun server DNS resolution failed

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10348

Webconnect error: No reply to request to STUN server

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10349

Webconnect error: No reply to SIP option packs

It is likely that there is an error in the network settings or a Sunny Portal maintenance message is present.

Corrective measures:

  • If a Sunny Portal maintenance message is present, wait until the maintenance has been completed.

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10350

Webconnect error: Registration rejected by SIP registrar

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10351

Unknown SIP registry

It is likely that there is an error in the network settings.

Corrective measures:

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10352

Webconnect error: Faulty communication

It is likely that there is an error in the network settings or a Sunny Portal maintenance message is present.

Corrective measures:

  • If a Sunny Portal maintenance message is present, wait until the maintenance has been completed.

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

10353

Webconnect error: registration of the SIP registry has not responded

It is likely that there is an error in the network settings or a Sunny Portal maintenance message is present.

Corrective measures:

  • If a Sunny Portal maintenance message is present, wait until the maintenance has been completed.

  • Check the network components (DLAN, WLAN Access Point etc.).

  • Ensure that the following ports are not blocked:

    • Registrar: ied.sma.de:9523

    • Proxy: ied.sma.de:9523

    • Stun: stun.sma.de:3478

    • Domain: ied.sma.de (for SIP URI)

27107

Update file OK

The update file is suitable for this inverter and its components and is fully available for the next update step.

27108

Memory card is being read

The storage medium is being read.

27109

No new update on the memory card

A new update file was not found on the storage medium.

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.

27331

Update transport started

The inverter has successfully started the update.

27332

Update transport successful

The update file has been successfully transferred to the communication component.

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 ten feed-in hours.

29004

Grid parameters unchanged

Changing the grid parameters is not possible.