Service Manual for Installers - SUNNY BOY 1.5 / 2.5
Contents
1. 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 loginas Installer Import configuration file again 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 e If this message is displayed again contact the Service see Section 11 Contact page 33 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 e If this message is displayed again contact the Service see Section 11 Contact page 33 18 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 4 Event Messages Event number 7355 Message cause and corrective measures 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 e If this message is displayed again contact the Service see Section 11 Contact page 33 7619 Communication fault with meter unit gt2. Update transport successful Update file was copied successfully to the inverter s internal memory 7333 7341 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 WLAN repeater or establish connection with the inverter via Ethernet If this message is displayed again contact the Service see Section 11 Contact page 33 Update Bootloader The inverter is performing a bootloader update 7342 Update Bootloader failed The bootloader update failed Corrective measures e Retry update e If this message is displayed again contact the Service see Section 11 Contact page 33 Service Manual for Installers SB15 25 SG en 10 17 4 Event Messages Event number 7347 7348 SMA Solar Technology AG Message cause and corrective measures 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 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 e Retry import 7349
3. 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 WLAN repeater or connect the inverter with the DHCP server router via Ethernet 7701 to 7703 Self diagnosis gt Interference device The cause must be determined by the Service Corrective measures Contact the Service see Section 11 Contact page 33 8003 Temperature derating The inverter has reduced its power output for more than ten minutes due to ex cessive 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 40 C has not been exceeded Ensure that the inverter is not exposed to direct solar irradiation Service Manual for Installers SB15 25 SG en 10 19 4 Event Messages Event number 8708 SMA Solar Technology AG Message cause and corrective measures Timeout in communication for active power limitation Communication to the system control absent Depending on the fall back set ting either the last received values will be retained or the active power will be limited to the set percentage value of the inverter nomi
4. O A smartphone tablet PC or computer with WLAN interface must be available O One of the following web browsers must be installed Firefox as of version 32 Internet Explorer as of version 10 Safari as of version 6 or Google Chrome as of version 32 L1 The personal SMA Grid Guard code of the Installer must be available for the changing of grid relevant settings after completion of the first ten operating hours see certificate Application for SMA Grid Guard Code at www SMA Solar com i File export via Safari web browser not possible When using the Safari web browser the exporting of files e g saving the current inverter configuration or exporting events is not possible for technical reasons e Use a different supported web browser Procedure 1 If your smartphone tablet PC or computer has a WPS function Tap twice on the lid of the inverter to activate the inverter WPS function The inverter signalizes the open interface via the rapid flashing of the blue LED Activate the WPS on your device M The connection with your device will be established automatically Please note that establishment of the connection to devices with Windows 7 or 8 1 can take up to 20 seconds 2 If your smartphone tablet PC or computer does not have a WPS function 8 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 3 Calling Up the Inverter User Interface via Direct Connection e Search for WLAN networks with
5. fault 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 see Section 11 Contact page 33 7201 to 7202 Data stor not poss Internal error The inverter continues to feed into the utility grid Corrective measures Contact the Service see Section 11 Contact page 33 7303 Update main CPU failed The cause must be determined by the Service Corrective measures Contact the Service see Section 11 Contact page 33 7320 The device with serial number x was successfully updated to firmware version x The firmware update was completed successfully 16 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 4 Event Messages Event number 7329 Message cause and corrective measures Condition test successful The testing of the update conditions was successful The firmware update package is suitable for this inverter 7330 7331 Condition test failed The testing of the update conditions was not successful The firmware update package is not suitable for this inverter Corrective measures e Retry update Ensure that the selected update file is suitable for this inverter If this message is displayed again contact the Service see Section 11 Contact page 33 Update transport started Update file is being copied 7332
6. message is still displayed contact the Service see Section 11 Contact page 33 901 PE conn missing gt Check connection The grounding conductor is not correctly connected Corrective measures Ensure that PE is correctly connected see operating manual of the inverter 1001 L N swapped gt Check connection The connection of L and N is swapped Corrective measures Ensure that Land N are correctly connected see operating manual of the inverter 1101 Installation fault gt Check connection A second line conductor is connected to N Corrective measures Connect the neutral conductor to N Service Manual for Installers SB15 25 SG en 10 13 4 Event Messages Event number 1302 SMA Solar Technology AG Message cause and corrective measures Waiting for grid voltage gt Installation failure grid connection gt Check grid and fuses L or N not connected Corrective measures Ensure that L and N are connected Make sure that the circuit breaker is switched on Ensure that the AC cable is not damaged and that it is connected correctly 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
7. screwdriver TX25 and remove the grounding cable 4 Remove the inverter from the wall 5 If the inverter is to be stored or shipped pack the inverter Use the original packaging or packaging that is suitable for the weight and dimensions of the inverter 6 Dispose of the inverter in accordance with the locally applicable disposal regulations for electronic waste Service Manual for Installers SB15 25 SG en 10 31 10 Spare Parts SMA Solar Technology AG 10 Spare Parts You will find the spare parts for your product in the following overview If required these can be ordered from SMA Solar Technology AG or your distributor Designation Brief description SMA order number Enclosure lid Enclosure lid red 90 157500 02 Connection cap Connection cap for covering the connection 90 133100 06 area accessory kit Accessory kit with DC connectors grounding ter 85 101600 01 minal for additional grounding and AC connec tor Switching lever of the DC Switching lever of the DC load break switch as 90 206200 01 load break switch spare part 32 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 11 Contact If you have technical problems with our products please contact the SMA Service Line We need the following information in order to provide you with the necessary assistance 11 Contact Australia SMA Australia Pty Ltd Belgien SMA Benelux BVBA SPRL Sydney Belgique Mechelen Toll free fo
8. Do not touch any parts of the substructure or frame of the PV array Do not connect PV strings with ground faults to the inverter NOTICE Destruction of the measuring device due to overvoltage Only use measuring devices with a DC input voltage range of 1 000 V or higher Procedure In order to check the PV system for ground faults perform the following actions in the prescribed order The exact procedure is described in the following sections e Check the PV system for ground faults by measuring the voltage If the voltage measurement was not successful check the PV system via insulation resistance measurement for ground faults Test by Measuring the Voltage Proceed as follows to check each string in the PV system for ground faults Procedure 1 A DANGER Danger to life due to high voltages Disconnect the inverter from all voltage sources see Section 2 1 page 5 2 Measure the voltages Measure the voltage between the positive terminal and the ground potential PE Measure the voltage between the negative terminal and the ground potential PE Measure the voltage between the positive and negative terminals If the following results are present at the same time there is a ground fault in the PV system MZ All measured voltages are stable MZ The sum of the two voltages to ground potential is approximately equal to the voltage between the positive and negative terminals f
9. Milton Keynes 39 02 8934 7299 44 1908 304899 nel SMA Solar Thailand Co Lid Lj eal SMA Technology Korea Co ng Ltd 66 2 670 6999 Mz 82 2 520 2666 c jay SMA Middle East LLC Other countries International SMA Service Line Sas ial n yall JE al Niestetal Toll free worldwide LE 00800 SMA SERVICE 800 762 7378423 34 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology
10. Service Manual for Installers SUNNY BOY 1 5 2 5 SUNNY tor SB15 25 SG en 10 Version 1 0 ENGLISH Table of Contents SMA Solar Technology AG Table of Contents 1 Information on this Document esesnenenresenevsenensesevssnevensenenseneneer 4 Fe SE RE civenthesidets 4 1 2 Target Group nennen tenentes 4 CHEN o ecc 4 1 4 Nomenclature etre ttt 4 EC REE RE 5 2 1 Disconnecting the Inverter from Voltage Sources 5 22 Salety NOrmal Oneness riseiras in pE i EE 6 3 Calling Up the Inverter User Interface via Direct Sl lg 8 A Event Messages 10 5 Cleaning the Inverter sissies cian se etri tie matta ete ie eitis 25 6 Checking the PV System for Ground Faults 26 7 Opening the Inverter cscscccsscesesceccsrscenccseceeraconscenicarteencasecserscatoes 29 8 Recommissioning the Inverter eese cerent etn 30 9 Decommissioning the Inverter eese eerte 31 19 Spare Parts eic mit aes iaa pk eE equae sisis 32 Ee e 33 2 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG Legal Provisions Legal Provisions The information contained in these documents is property of SMA Solar Technology AG Any publication whether in whole or in part requires prior written approval by SMA Solar Technology AG Internal reproduction used solely for
11. a ground fault is present determine the location of the ground fault via the ratio of the two measured voltages and eliminate the ground fault 26 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 6 Checking the PV System for Ground Faults Example Location of the ground fault The example shows a ground fault between the second and third PV module V 200 V V 300 V Eb eT 100 V 100 V n 100 V 100 V 100 V eo 3 If a definite ground fault cannot be measured and the message is still displayed measure the insulation resistance 4 Reconnect the strings without ground faults to the inverter and recommission the inverter see Section 8 page 30 Test by Measuring the Insulation Resistance IF the voltage measurement does not provide sufficient evidence of a ground fault the insulation resistance measurement can provide more exact results O IHS O Figure 1 Schematic diagram of the measurement Service Manual for Installers SB15 25 SG en 10 27 6 Checking the PV System for Ground Faults SMA Solar Technology AG i Calculating the insulation resistance The expected total resistance of the PV system or of an individual string can be calculated using the following formula 1 1 1 1 H Roa Ry R2 R The exact insulation resistance of a PV module can be obtained from the module manufacturer or the datasheet For the resistance of a PV m
12. ated 6001 to 6438 Self diagnosis gt Interference device The cause must be determined by the SMA Service line Corrective measures e Contact the Service see Section 11 Contact page 33 Service Manual for Installers SB15 25 SG en 10 15 4 Event Messages Event number 6501 to 6509 SMA Solar Technology AG Message cause and corrective measures 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 40 C has not been exceeded Ensure that the inverter is not exposed to direct solar irradiation 6512 Minimum operating temperature not reached The inverter will only recommence feeding into the utility grid once the temper ature has reached at least 25 C 6603 to 6604 Self diagnosis gt Overload The cause must be determined by the Service Corrective measures Contact the Service see Section 11 Contact page 33 6701 to 6702 Communication disturbed Error in the communication processor the inverter continues feeding in how ever The cause must be determined by the Service Corrective measures If this message is displayed frequently contact the Service see Section 11 Contact page 33 7001 to 7002 Sensor
13. e 26 3601 High discharge curr gt 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 thresh old When the fault is eliminated the inverter automatically reconnects to the utility grid Corrective measures Check the PV system for ground faults see Section 6 page 26 3701 Resid curr too high gt Check generator The inverter has detected a residual current due to temporary grounding of the PV array Corrective measures Check the PV system for ground faults see Section 6 page 26 3801 DC overcurrent gt Check generator Overcurrent at the DC input The inverter briefly interrupts feed in operation Corrective measures e 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 gt 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 e If this message is displayed frequently with medium irradiation ensure that the PV array is correctly r
14. e surfaces so that there is continuous conduction Observe the applicable local regulations NOTICE Damage to the inverter due to the use of cleaning agents If the inverter is dirty clean the enclosure the enclosure lid the type label and the LEDs using only clean water and a cloth Service Manual for Installers SB15 25 SG en 10 7 3 Calling Up the Inverter User Interface via Direct Connection SMA Solar Technology AG 3 Calling Up the Inverter User Interface via Direct Connection You can call up the inverter user interface outside of a network via a direct connection between computer tablet PC or smartphone and the inverter There are two methods available for this Direct connection via WLAN Direct connection via Ethernet i Inverter SSID and IP address and necessary passwords e Inverter SSID in WLAN SMA serial number e g SMA2130019815 Standard WLAN password SMA12345 usable for initial configuration prior to completion of the first ten operating hours e Device specific WLAN password see WPA2 PSK on the inverter type label or the rear side of the Quick Installation Guide included in delivery Standard inverter IP address for direct connection via WLAN outside of a local network 192 168 100 1 Standard inverter IP address for direct connection via Ethernet outside of a local network 169 254 100 1 Direct connection via WLAN Requirements O The inverter must be commissioned
15. from all voltage sources as described in this section Always adhere to the prescribed sequence Procedure 1 Disconnect the circuit breaker and secure it against reconnection 2 If an external DC load break switch is installed disconnect the external DC load break switch from all voltage sources 3 Set the DC load break switch of the inverter to O 4 Wait until the LEDs have gone out 5 Use a current clamp to ensure that no current is present in the DC cables 6 Release and remove all DC connectors To do this insert a flat blade screwdriver or an angled screwdriver blade width 3 5 mm into one of the slide slots and pull the DC connectors out in a downward direction Do not pull on the cable Service Manual for Installers SB15 25 SG en 10 5 2 Safety SMA Solar Technology AG 7 Ensure that no voltage is present at the DC inputs on the inverter using a suitable measuring device 8 Loosen the swivel nuts 9 Loosen the screws of the connection cap and remove the connection cap 10 Use a suitable measuring device to check that no voltage is present at the AC connector between L and N and between L and the grounding conductor To do so insert the test probe maximum diameter 2 mm into each round opening of the connecting terminal plate 11 Release and disconnect the AC connector using the sliders located on the side 2 2 Safety Information This section contains safety information that must be obser
16. he 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 see Section 11 Contact page 33 302 Temperature AC voltage The inverter has reduced its power due to a too high grid voltage to ensure grid stability Corrective measures If possible check the grid voltage 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 see Section 11 Contact page 33 401 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 Service Manual for Installers SB15 25 SG en 10 11 4 Event Messages Event number 501 SMA Solar Technology AG Message cause and corrective measures Grid fault The power f
17. he 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 connector is correctly plugged Ensure that the DHCP server router and any network switches are signalizing correct operation 22 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 4 Event Messages Event number 10254 Message cause and corrective measures 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 connector is 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 Co
18. n using the Safari web browser the exporting of files e g saving the current inverter configuration or exporting events is not possible for technical reasons Use a different supported web browser Procedure 1 Enter 169 254 100 1 in the address line of the web browser and press the enter key The login page of the user interface opens 2 Log in as Installer or User A new password must be assigned upon logging in for the first time The initial configuration of the inverter may only be performed by a qualified person In this case login as an Installer 3 Configure the inverter as desired Service Manual for Installers SB15 25 SG en 10 9 Event Messages SMA Solar Technology AG 4 Event Messages Event number Message cause and corrective measures 101 to 103 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 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 see Section 11 Contac
19. nal 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 8709 Timeout in communication for reactive power spec Communication to the system control absent Depending on the fall back set ting either the last received values will be retained or the reactive power will be set to the set value 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 8710 Timeout in communication for cos Phi spec Communication to the system control absent Depending on the fall back set ting either the last received values will be retained or the displacement power factor will be set to the set value 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 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 20 SB15 25 SG en 10 Service Man
20. ns Qualified persons must have the following skills Knowledge of how an inverter works and is operated Training in how to deal with the dangers and risks associated with installing and using electrical devices and installations Training in the installation and commissioning of electrical devices and installations Knowledge of the applicable standards and directives Knowledge of and compliance with this document and all safety information 1 3 Symbols Symbol Explanation A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING Indicates a hazardous situation which if not avoided can result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided can result in minor or moderate injury NOTICE Indicates a situation which if not avoided can result in property damage i Information that is important for a specific topic or goal but is not safety relevant Indicates a requirement for meeting a specific goal M Desired result x A problem that might occur 1 4 Nomenclature Complete designation Sunny Boy Designation in this document Inverter product 4 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 2 Safety 2 Safety 2 1 Disconnecting the Inverter from Voltage Sources Prior to performing any work on the inverter always disconnect it
21. nutes until the capacitors have discharged 2 To prevent water or dust entering the interior of the inverter clean and dry the lid prior to removal 3 Unscrew all four enclosure lid screws using a Torx screwdriver TX25 and store safely 4 Carefully remove the enclosure lid NOTICE Damage to the inverter due to electrostatic discharge The internal components of the inverter can be irreparably damaged by electrostatic discharge Ground yourself before touching any component Perform the repair or replacement Replace the enclosure lid with the four screws onto the enclosure and hold in place Tighten all four screws using a Torx screwdriver TX25 crosswise torque 6 Nm ooN Recommission the inverter see Section 8 page 30 Service Manual for Installers SB15 25 SG en 10 29 8 Recommissioning the Inverter SMA Solar Technology AG 8 Recommissioning the Inverter Requirements L1 The inverter must be correctly mounted O The circuit breaker must be correctly rated L1 All cables must be correctly connected Procedure 1 Attach the connection cap to the inverter using the three screws and a Torx screwdriver TX20 torque 3 5 Nm 2 Tighten the swivel nuts of the AC cable gland and network connection hand tight 3 Set the DC load break switch of the inverter to position 1 4 Switch on the circuit breaker M The green LED flashes slowly on and off or glows permanently Feed in operati
22. odule an average value can be assumed for thin film PV modules approximately 40 MOhm and for polycrystalline and monocrystalline PV modules approximately 50 MOhm per PV module for further information on calculating the insulation resistance see the Technical Information Insulation Resistance Riso of Non Galvanically Isolated PV Systems at www SMA Solar com Required devices O Suitable device for safe disconnection and short circuiting O Measuring device for insulation resistance i Device required for safe disconnection and short circuiting of the PV array The insulation resistance can only be measured with a suitable device for safe disconnection and short circuiting of the PV array If no suitable device is available the insulation measurement must not be carried out Procedure 1 Calculate the expected insulation resistance per string 2 DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources see Section 2 1 page 5 Install the short circuit device Connect the measuring device for insulation resistance Short circuit the first string Q Cc R 0 Set the test voltage The test voltage should be as close as possible to the maximum system voltage of the PV modules but must not exceed it see datasheet of the PV modules N Measure the insulation resistance co Eliminate the short circuit 9 Measure the remaining strings in the same manner If the ins
23. on begins X Green LED is flashing The DC input voltage is still too low Once the DC input voltage is sufficiently high feed in operation begins X The red LED is glowing There is probably an error Call up the inverter user interface see Section 3 Calling Up the Inverter User Interface via Direct Connection page 8 Call up the menu Events and identify the error via the event ID Rectify the error see Section 4 Event Messages page 10 5 If required configure the inverter via the user interface 30 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 9 Decommissioning the Inverter 9 Decommissioning the Inverter To decommission the inverter completely upon completion of its service life proceed as described in this Section A CAUTION Risk of injury when lifting the inverter or if it is dropped The inverter weighs 9 kg There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or when attaching it to or removing it from the wall mounting bracket Transport and lift the inverter carefully 1 A DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources see Section 2 1 page 5 2 A CAUTION Risk of burns due to hot enclosure parts Wait 30 minutes for the enclosure to cool down 3 If an additional grounding or an equipotential bonding is connected remove the cylindrical screw using a Torx
24. r Australia Belgi 32 15 286 730 1800 SMA AUS Luxemburg 1800 762 287 Luxembourg International 61 2 9491 4200 Nederland Argentina SMA South America SPA Cesko SMA Central amp Eastern Brasil Santiago Magyarorsz g Evrope s r o Chile 562 2820 2101 Polska Praha Peri Rom nia 420 235 010 417 Slovensko Danmark SMA Solar Technology AG France SMA France S A S Deutschland Niestetal Lyon sterreich SMA Online Service Center Sunny Boy Sunny Mini Central Schweiz www SMA de Service Sunny Tripower Sunny Boy Sunny Mini Central 33 472 09 04 40 Sunny Tripower Monitoring Systems 49 561 9522 1499 33 472 09 04 41 Monitoring Systems Kommunika Sunny Island tionsprodukte 33 472 09 04 42 49 561 9522 2499 Sunny Central Fuel Save Controller PV Diesel 33 472 09 04 43 Hybridsysteme 49 561 9522 3199 Sunny Island Sunny Backup Hy dro Boy 49 561 9522 399 Sunny Central 49 561 9522 299 Espafia SMA Ib rica Tecnolog a Solar India SMA Solar India Pvt Ltd Portugal S LU Mumbai Barcelona 34 935 63 50 99 9 22 61713888 Service Manual for Installers SB15 25 SG en 10 33 11 Contact SMA Solar Technology AG South Africa SMA Solar Technology South EMA da SMA Hellas AE Africa Pty Ltd Kumpoc Ava Centurion Pretoria Kibris 801 222 9 222 08600 SUNNY benrapus International 08600 78669 30 212 222 9 222 International 27 12 622 3000 Italia SMA Italia S r l United SMA Solar UK Ltd Milano Kingdom
25. requency is not within the permissible range The inverter has dis connected 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 see Section 11 Contact page 33 507 Temperature AC frequency The inverter has reduced its power due to a too high power frequency to en sure grid stability 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 see Section 11 Contact page 33 601 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
26. rrective 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 Contact the Service see Section 11 Contact page 33 10284 No WLAN connection possible The inverter does not currently have a WLAN connection to the selected net work 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 e If this message is displayed often improve the WLAN connection by using a WLAN repeater 10285 WLAN connection established Connection to the selected WLAN network has been established Service Manual for Installers SB15 25 SG en 10 23 4 Event Messages Event number 10286 SMA Solar Technology AG Message cause and corrective measures 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 e If this message is displayed often improve the WLAN connection by using a WLAN repeater 27301 Update communication The inverter is updating
27. ssary increase the data query intervals Service Manual for Installers SB15 25 SG en 10 21 4 Event Messages Event number 10250 SMA Solar Technology AG Message cause and corrective measures Interface package error rate ok high The package error rate has changed If the package error rate is high the net work 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 connector is correctly plugged f necessary increase the data query intervals f 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 connector is 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 T
28. t page 33 202 to 205 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 dis connected 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 e 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 see Section 11 Contact page 33 10 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 4 Event Messages Event number Message cause and corrective measures 301 Grid fault The ten minute average value of the grid voltage is no longer within the per missible range The grid voltage or grid impedance at the connection point is too high The inverter disconnects from the utility grid to maintain power qual ity Corrective measures During the feed in operation check whether the grid voltage at t
29. the communication component 27302 Update main CPU The inverter is updating the inverter component 27312 Update completed The inverter has successfully completed the update 29004 Grid parameter unchanged Changing the grid parameters is not possible 20901 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 automati cally locked again after ten feed in hours 20906 Self test The self test is in progress 24 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 5 Cleaning the Inverter 5 Cleaning the Inverter NOTICE Damage to the inverter due to the use of cleaning agents If the inverter is dirty clean the enclosure the enclosure lid the type label and the LEDs using only clean water and a cloth Ensure that the inverter is free of dust foliage and other dirt Service Manual for Installers SB15 25 SG en 10 25 6 Checking the PV System for Ground Faults SMA Solar Technology AG 6 Checking the PV System for Ground Faults IF the inverter displays the event numbers 3501 3601 or 3701 there could be a ground fault The electrical insulation from the PV system to ground is defective or insufficient WARNING Danger to life due to electric shock In the event of a ground fault high voltages can be present Touch the cables of the PV array on the insulation only
30. the permissible range The inverter has dis connected 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 see Section 11 Contact page 33 12 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 4 Event Messages Event number 801 Message cause and corrective measures Waiting for grid voltage gt Grid failure gt Check AC circuit breaker The AC cable is not correctly connected or the country data set is not correctly configured 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 e 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
31. the purpose of product evaluation or other proper use is allowed and does not require prior approval SMA Warranty You can download the current warranty conditions from the Internet at www SMA Solar com Trademarks All trademarks are recognized even if not explicitly identified as such A lack of identification does not mean that a product or symbol is not trademarked The BLUETOOTH word mark and logos are registered trademarks of Bluetooth SIG Inc and any use of these marks by SMA Solar Technology AG is under license Modbus is a registered trademark of Schneider Electric and is licensed by the Modbus Organization Inc QR Code is a registered trademark of DENSO WAVE INCORPORATED Phillips and Pozidriv are registered trademarks of Phillips Screw Company Torx is a registered trademark of Acument Global Technologies Inc SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2004 to 2015 SMA Solar Technology AG All rights reserved Service Manual for Installers SB15 25 SG en 10 3 1 Information on this Document SMA Solar Technology AG 1 Information on this Document 1 1 Validity This document is valid for the following device types from firmware version 2 0 1 R e SBI 5 1VLAO Sunny Boy 1 5 B2 5 1VL 40 Sunny Boy 2 5 1 2 Target Group The tasks described in this document must only be performed by qualified perso
32. the value 3301 to 3303 3401 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 DC overvoltage gt 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 Immediately disconnect the inverter from all voltage sources see Section 2 1 page 5 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 e If this message is repeated frequently contact the Service see Section 11 Contact page 33 14 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 4 Event Messages Event number 3501 Message cause and corrective measures Insulation failure gt Check generator The inverter has detected a ground fault in the PV array Corrective measures Check the PV system for ground faults see Section 6 pag
33. ual for Installers SMA Solar Technology AG 4 Event Messages Event number 9005 Message cause and corrective measures Changing of grid parameters not possible gt 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 9007 Abort self test The selftest Italy only was terminated Corrective measures Ensure that the AC connection is correct Restart the self test see the inverter operating manual at www SMA Solar com 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 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 f 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 f nece
34. ulation resistance of a string deviates considerably from the theoretically calculated value there is a ground fault present in that string 10 Reconnect to the inverter only those strings from which the ground fault has been eliminated 11 Reconnect all other strings fo the inverter 12 Recommission the inverter see Section 8 page 30 13 If the inverter still displays an insulation error contact the Service see Section 11 Contact page 33 The PV modules might not be suitable for the inverter in the present quantity 28 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 7 Opening the Inverter 7 Opening the Inverter If you have to open the inverter enclosure lid for repairs or replacement proceed as described in the following NOTICE Damage to the seal of the enclosure lid in sub zero conditions If you open the enclosure lid in sub zero conditions the sealing of the enclosure lid can be damaged This can lead to moisture entering the inverter Do not open the inverter at ambient temperatures lower than 5 C If a layer of ice has formed on the seal of the enclosure lid in sub zero conditions remove it prior to opening the inverter e g by melting the ice with warm air Observe the applicable safety regulations Procedure 1 A DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources see Section 2 1 page 5 e Wait five mi
35. ved at all times when working on or with the product To prevent personal injury and property damage and to ensure long term operation of the product read this section carefully and observe all safety information at all times 6 SB15 25 SG en 10 Service Manual for Installers SMA Solar Technology AG 2 Safety DANGER Danger to life due to high voltages of the PV array When exposed to sunlight the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter Touching the DC conductors or the live components can lead to lethal electric shocks If you disconnect the DC connectors from the inverter under load an electric arc may occur leading to electric shock and burns Do not touch non insulated cable ends Do not touch the DC conductors Do not touch any live components of the inverter Have the inverter mounted installed and commissioned only by qualified persons with the appropriate skills If an error occurs have it rectified by qualified persons only Prior to performing any work on the inverter disconnect it from all voltage sources as described in this document see Section 2 1 Disconnecting the Inverter from Voltage Sources page 5 DANGER Danger to life due to electric shock Touching an ungrounded PV module or array frame can cause a lethal electric shock Connect and ground the PV modules array frame and electrically conductiv
36. your device Select the inverter SSID SMA serial number Enter the inverter WLAN password Within the first ten operating hours and prior to closing the installation assistant for the first time you can use the standard WLAN password SMA12345 After this you must use the device specific inverter WLAN password WPA2 PSK which is printed on the type label and the rear side of the Quick Installation Guide included in delivery 3 Enter 192 168 100 1 in the address line of the web browser and press the enter key The login page of the user interface opens 4 Log in as Installer or User new password must be assigned upon logging in for the first time To configure the inverter for the first time login as an Installer 5 Configure the inverter as desired Direct connection via Ethernet Requirements L The inverter must be commissioned L1 A computer with an Ethernet interface must be available L1 One of the following web browsers must be installed Firefox as of version 32 Internet Explorer as of version 10 Safari as of version 6 or Google Chrome as of version 32 O The inverter must be connected directly to a computer L1 The personal SMA Grid Guard code of the Installer must be available for the changing of grid relevant settings after completion of the first ten operating hours see certificate Application for SMA Grid Guard Code at www SMA Solar com i File export via Safari web browser not possible Whe
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