Service Manual - SUNNY BOY 3600 / 5000 SMART ENERGY
Contents
1. Figure 1 Schematic diagram Service Manual of the measurement SB36 50SE SG en 10 27 5 Checking the PV System for Ground Faults SMA Solar Technology AG i Calculating the insulation resistance The total resistance of the PV system to be expected or of an individual string can be calculated using the following formula 1 1 1 1 H Roa Ri R2 Rz The exact insulation resistance of a PV module can be obtained from the module manufacturer or the datasheet For the resistance of a PV module 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 L1 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 insulation resistance per string to be expected 2 A DANGER Danger to life due to high voltages D2. If the inverter is to be stored or shipped pack the inverter and the protective cover of the battery Use the original packaging or packaging that is suitable for the weight and dimensions of the inverter and the protective cover Dispose of the inverter in accordance with the locally applicable disposal regulations for electronic waste A DANGER Danger to life due to incorrect packaging and transport of the Battery Pack The Battery Pack is considered to be dangerous goods If the Battery Pack is to be transported special regulations must be complied with for packaging and transport When packaging and transporting the Battery Pack observe the regulations of the European Agreement concerning the International Carriage of Dangerous Goods by Road ADR Packaging and transport of the Battery Pack may only be carried out by persons who have been trained in accordance with Section 1 3 ADR and whose training has been documented SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 10 Decommissioning the Inverter 13 If the Battery Pack is not damaged and it is to be disposed of dispose of it in accordance with the SMA Solar Technology AG regulations 14 If the Battery Pack is damaged and it is to be disposed of contact the SMA Service Line and clarify the procedure for its disposal SB36 50SE SG en 10 37 Service Manual 11 Spare Parts SMA Solar Technology AG 11 Spare Parts You will find the spare parts for
3. Service Manual SUNNY BOY 3600 5000 SMART ENERGY BATTERY PACK SMART ENERGY SB36 50SE SG en 10 Version 1 0 AMERICAN ENGLISH Legal Provisions SMA Solar Technology AG 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 the purpose of product evaluation or other proper use is allowed and does not require prior approval SMA Warranty The current warranty regulations are included with your device You can download the version on the Internet at www SMA Solar com or obtain a printed version from the regular distribution channels 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
4. 20 NOTICE Damage to the inverter due to electrostatic discharge Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge Ground yourself before touching any component 10 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 3 Cleaning the Inverter 3 Cleaning the Inverter NOTICE Damage to the display or the type label due to the use of cleaning agents Ifthe inverter is dirty clean the enclosure the cooling fins the enclosure lid the type label the display and the LEDs using only water and a cloth If the cooling fins on the rear of the enclosure are dirty clean them using a soft brush e Ifthe air ducts on the top of the inverter are dirty clean them using a soft brush Ifthe protective cover of the Battery Pack is dirty clean it with a dry cloth If the Battery Pack is dirty clean it with a dry cloth Service Manual SB36 50SE SG en 10 11 4 Troubleshooting SMA Solar Technology AG 4 Troubleshooting 4 1 LED Signals The LEDs indicate the operating state of the inverter LED Status Explanation Green LED glowing Operation flashing The requirements for the connection to the utility grid have not been met Red LED glowing Error The red LED indicates an error see Section 4 3 Error Messages page 13 Blue LED No function 4 2 Event Messages Display message Cause Set parameter The
5. Ensure that the plug contacts of the power cable and the data cable are not damaged 9305 Unauthorized battery system The Battery Pack is not suitable for operation with the inverter Corrective measures If the battery has been approved by SMA for operation with the inverter contact the SMA Service Line 9306 Deviation in battery voltage The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 9307 Battery system defective The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 9308 Communication fault in battery system gt Check battery connec tion The connection between the Battery Pack and the inverter is disrupted Corrective measures Ensure that the power cable and the data cable are properly connected to the Battery Pack see inverter manual at www SMA Solar com Ensure that the plug contacts of the power cable and the data cable are not damaged 9309 Battery system defective The Battery Pack is defective Corrective measures Contact the SMA Service Line Service Manual SB36 50SE SG en 10 23 4 Troubleshooting Error number 9310 SMA Solar Technology AG Display message cause and corrective measures Signal fault in battery system gt Check battery connection The connection between the Battery Pack and the inverter is disrupted Corrective measures Ensure that the power cable an
6. 6603 to 6604 Self diagnosis gt Overload The inverter has detected an internal overload and interrupts the feed in operation Corrective measures Contact the SMA Service Line 6607 to 6608 Self diagnosis gt Battery overcurrent Internal error The inverter continues to feed into the utility grid Corrective measures e If this message is displayed frequently contact the SMA Service Line 6609 Self diagnosis gt Battery undervoltage Internal error The inverter continues to feed into the utility grid Corrective measures e If this message is displayed frequently contact the SMA Service Line 18 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Error number 6610 Display message cause and corrective measures Self diagnosis gt Battery overvoltage Corrective measures Turn the DC load break switch towards OFF until it snaps into place at position O Contact the SMA Service Line and clarify the next steps 6701 to 6702 Comm disturbed An error has occurred in the internal communication of the inverter The inverter continues feeding power into the grid Corrective measures e If this message is displayed frequently contact the SMA Service Line 6801 to 6802 Self diagnosis gt Input A defective Input A of the inverter is defective Corrective measures Contact the SMA Service Line 6901 to 6902 Self diagnosis gt Input B defe
7. Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2004 to 2014 SMA Solar Technology AG All rights reserved 2 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG Table of Contents Table of Contents 1 Information on this Document eerte tnnt 4 2 SY iria 6 2 1 Skills f Qualified Parsons une 6 22 Salety Preca ONS ans 6 2 3 Disconnecting the Inverter from Voltage Sources 8 Cleaning the vaticina matado 11 Troubleshooting ee 12 A aia eee 12 4 2 Event Messages lana sepan 12 43 Error Messages acere meer pen 13 5 Checking the PV System for Ground Faults 26 6 Checking the Function of the Varistors es 29 7 Replacing the Varistors siccscecscsnccesacenccenscorscenseantcsnncanccenicaracenees 31 8 Testing the Function of the Battery Pack 32 9 Recommissioning the Inverter uesesessssssssessensnnsnenssnenennsnenene 33 10 Decommissioning the Inverter eere eere 35 11 Spare Pas aii 38 PE e EE E T 39 Service Manual SB36 50SE SG en 10 3 1 Information on this Document SMA Solar Technology AG 1 Information on this Document This document describes how to rectify certain errors and how to replace defective components This document supplements the documents that are enclosed with each product and does not replace any locally applicable standards or directives R
8. Corrective measures Check the PV system for ground faults see Section 5 page 26 3801 to 3802 DC overcurrent gt Check generator Overcurrent at the DC input The inverter briefly interrupts feed in opera tion Corrective measures e If this message is displayed frequently ensure that the PV array has been correctly rated and wired Service Manual SB36 50SE SG en 10 17 4 Troubleshooting Error number 3901 to 3902 SMA Solar Technology AG Display message cause and corrective measures Waiting for DC start conditions gt Start conditions not met The feed in conditions for the utility grid are not yet fulfilled Corrective measures 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 rated 6001 to 6462 Self diagnosis gt Interference of device The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 6501 to 6513 Self diagnosis gt 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
9. Technology Portugal Isento de taxas em Portugal Unipessoal Lda 800 20 89 87 Lisboa Internacional 351 212377860 40 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 12 Contact Rom nia Vezi Cesko Cehia Schweiz Siehe Deutschland Slovensko pozri Cesko Cesk republika South Africa SMA Solar Technology South Africa 08600 SUNNY 08600 78669 Pty Ltd International 27 12 643 1785 Centurion Pretoria United King SMA Solar UK Ltd 44 1908 304899 dom Milton Keynes EX A a SMA Hellas AE 801 222 9 222 A nva International 30 212 222 9 222 Benrapna Bwxre EAXada Topuna Ing SMA Solar Thailand Co Ltd 66 2 670 6999 nsqMmmwet H re SMA Technology Korea Co Ltd 82 2 508 8599 MS HE SMA Beijing Commercial Company 86 10 5670 1350 Lid dtm 971 2 234 6177 SMA Middle East LLC el UY ah E Bas all An gell Other countries International SMA Service Line Toll free worldwide 00800 SMA SERVICE Niestetal 800 762 7378423 Service Manual SB36 50SE SG en 10 41 SMA Solar Technology
10. ambient temperature is complied with contact the SMA Service line 24 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Error number 9315 Display message cause and corrective measures Battery imbalancing fault The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 9334 Battery charging test The function of the Battery Pack is tested The Battery Pack is charged 9335 9336 Discharge battery test The function of the Battery Pack is tested The Battery Pack is discharged Start conditions for battery test not fulfilled The function of the Battery Pack cannot be tested because the require ments are not fulfilled Corrective measures Ensure that the requirements for testing the Battery Pack are fulfilledTesting the Function of the Battery Pack 9337 Charge battery test successful The Battery Pack was charged successfully The function of the Battery Pack is ensured 9338 Battery discharging test successful The Battery Pack was discharged successfully The function of the Battery Pack is ensured 9339 Battery charging test failed The Battery Pack could not be charged Corrective measures Ensure that the function of the Battery Pack was tested correctly Testing the Function of the Battery Pack 9340 Battery discharging test failed The Battery Pack could not be discharged Corrective meas
11. 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 comply with the power quality Corrective measures 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 SMA Service line 401 to 404 Grid fault The inverter is no longer in grid parallel operation The inverter has stopped feeding into the utility grid Corrective measures e 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 o
12. the connection point is too high The inverter disconnects from the utility grid to comply with the power quality Corrective measures 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 SMA Service line 3401 to 3402 DC overvoltage gt Disconnect generator Overvoltage at DC input This can destroy the inverter This message is additionally highlighted by rapid flashing of the back light Corrective measures Immediately disconnect the inverter from all voltage sources see Section 2 3 page 8 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 is above 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 displayed frequently contact the SMA Service Line 16 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Er
13. to below 90 and then charge the Battery Pack Requirements O The inverter must be in feed in operation L1 The current PV power must be at least 200 W O The current feed in AC power must not exceed 90 of the maximum AC power of the inverter Charging the Battery Pack Select parameter Battery installation mode and set to Charge battery M The message Charge battery test appears in the display M The message Battery charging test successful appears in the display The Battery Pack was charged successfully X Does the message Charge battery test failed appear in the display The Battery Pack was not charged successfully The requirements are probably not fulfilled Ensure that the requirements are fulfilled Ensure that the Battery Pack and the inverter are connected correctly Ensure that the Battery Pack is not defective Ensure that the inverter does not display any other error messages Discharging the Battery Pack Select parameter Battery installation mode and set to Discharge battery M The message Battery discharging test appears in the display M The message Battery discharging test successful appears in the display The Battery Pack was discharged successfully X The message Battery discharging test failed appears in the display The Battery Pack was not discharged successfully The requirements are probably not fulfilled Ensure that the requirements are fulfilled Ensure that the Battery Pack and the inverte
14. when attaching or removing it from the wall Hold the inverter by the right hand and left hand recessed grips and lift and transport it to the mounting position horizontally lift and transport the Battery Pack by the lateral handles 1 A DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources see Section 2 3 page 8 2 Remove the AC cable from the inverter Also push the locking levers right up to the top and pull out the cables 3 Press down the locking levers of the connecting terminal plate for the AC cable If an Ethernet cable is connected for Speedwire communication remove the cable from the inverter 5 If other cables are connected to the inverter remove the connection cables from the inverter Service Manual SB36 50SE SG en 10 35 10 Decommissioning the Inverter SMA Solar Technology AG 2 10 36 Remove the battery by lifting it vertically up and IF an additional grounding or equipotential bonding is connected loosen the cylindrical screw M6x16 and remove the screw conical spring washer clamping bracket and grounding conductor Position the enclosure lid on the enclosure using the six screws and tighten all screws diagonally to each other using an Allen key AF 5 torque 6 Nm 0 5 Nm off the wall mounting bracket Remove the inverter by lifting it vertically up and off the wall mounting bracket
15. 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 Replacement varistors Set with three thermally moni STP TV10 tored varistors incl insertion tool Insertion tool for replacing Insertion tool for varistors SB TVWZ varistors SUNCLIX DC connector Field plug for conductor cross SUNCLIX FC6 SET sections of 2 5 mm to 6 mm 38 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 12 Contact 12 Contact If you have technical problems concerning our products contact the SMA Service Line We need the following information in order to provide you with the necessary assistance Inverter device type Inverter serial number Inverter firmware version Type of the Battery Pack Serial number of the Battery Pack Manufacturing code of the Battery Pack Firmware version of the Battery Pack Hardware version of the Battery Pack Manufacturing week of the Battery Pack Special country specific settings of the inverter if applicable Type and number of PV modules connected Mounting location and mounting altitude of the inverter Three digit or four digit event number and display message of the inverter Optional equipment e g communication products Use of the multifunction relay if present Australia SMA Australia Pty Ltd Toll free for Australia 1800 SMA AUS Sydney 1800 762 287 Internation
16. A Grid Guard code 9003 Grid parameter locked The parameters are now locked You cannot change the parameters Corrective measures Unlock the parameters with the SMA Grid Guard code 9005 Changing grid params not possible gt Ensure DC supply PV power is too low for setting the country data set As soon as sufficient irradiation is available the inverter assumes the setting automatically 9007 Abort self test The self test Italy only was terminated Corrective measures e Restart the selftest see inverter manual at www SMA Solar com 9301 New battery detected The inverter has detected a new Battery Pack 9302 Self diagnosis gt Interference of device The cause must be determined by the SMA Service line Corrective measures Contact the SMA Service Line 9303 The service life of the battery is expiring The state of health of the Battery Pack is 70 Corrective measures Replace the Battery Pack with a new one Contact the SMA Service Line 22 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Error number 9304 Display message cause and corrective measures Fault in battery connection gt Check battery connection The connection between the Battery Pack and the inverter is disrupted Corrective measures Ensure that the power cable and the data cable are properly connected to the Battery Pack see inverter manual at www SMA Solar com
17. SE SG en 10 Service Manual SMA Solar Technology AG 2 Safety A DANGER Danger to life due to high voltages on the Battery Pack Lethal voltage is present at the pin connector for the power cable Reaching into the pin connector for the power cable can result in lethal electric shock Do not open the Battery Pack Do not wipe over the Battery Pack with a damp cloth Leave the protective caps on the pin connectors for the power cable and the data cable until the inverter cables are connected to the Battery Pack Only operate the Battery Pack with its protective cover The protective cover is separately packed Prior to performing any work on the inverter or the Battery Pack disconnect the inverter from all voltage sources as described in this document see Section 2 3 page 8 A DANGER Danger to life due to electric shock Touching an ungrounded PV module or an array frame can cause a fatal electric shock Connect and ground the PV modules array frame and electrically conductive surfaces so that there is continuous conduction Observe the applicable local regulations A WARNING Risk of chemical burns from electrolyte or toxic gases During normal operation no electrolyte can leak from the Battery Pack and no toxic gases can form Despite careful construction if the Battery Pack is damaged or a fault occurs it is possible that electrolyte may be leaked or toxic gases formed Store the Battery Pack in a
18. al 61 2 9491 4200 Belgien Bel SMA Benelux BVBA SPRL 32 15 286 730 gique Belgi Mecheln Brasil Vide Espa a Espanha Cesko SMA Central 8 Eastern Europe s r o 420 235 010 417 Praha Chile Ver Espa a Danmark Se Deutschland Tyskland Service Manual SB36 50SE SG en 10 39 12 Contact Deutschland SMA Solar Technology AG Niestetal SMA Solar Technology AG Medium Power Solutions Wechselrichter 49 561 9522 1499 Kommunikation 49 561 9522 2499 SMA Online Service Center www SMA de Service Hybrid Energy Solutions Sunny Island 49 561 9522 399 PV Diesel Hybridsysteme 49 561 9522 3199 Power Plant Solutions Sunny Central 49 561 9522 299 Espa a SMA Ib rica Tecnolog a Solar Llamada gratuita en Espa a S LU 900 14 22 22 Barcelona Internacional 34 902 14 24 24 France SMA France S A S Medium Power Solutions Lyon Onduleurs 33 472 09 04 40 Communication 33 472 09 04 41 Hybrid Energy Solutions Sunny Island 33 472 09 04 42 Power Plant Solutions Sunny Central 33 472 09 04 43 India SMA Solar India Pvt Ltd 91 22 61713888 Mumbai Italia SMA Italia S r l 39 02 8934 7299 Milano K rpoc Kibrs BA rre EMada Bkz EAXada Yunanistan Luxemburg Siehe Belgien Luxembourg Voir Belgique Magyarorsz g l sd Cesko Csehorsz g Nederland zie Belgien Belgi Osterreich Siehe Deutschland Per Ver Espa a Polska Patrz Cesko Czechy Portugal SMA Solar
19. ate the inverter without varistors in PV systems with a high risk of overvoltages Do not recommission the inverter until the defective varistors have been replaced 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 Check the function of each varistor as described in the following Procedure 1 A DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources and open the enclosure lid see Section 2 3 page 8 2 Insert the insertion tool in the clamping contacts of the connecting terminal plate 3 Remove the varistor from the connecting terminal plate 4 Use a measuring device to measure whether there is a conductive connection between the middle and the right hand varistor lead Hold the varistor with the labeling pointing forward If there is no conductive connection the varistor is defective SMA Solar Technology AG recommends replacing all varistors immediately Order new varistors and insertion tools see Section 11 Spare Parts page 38 Service Manual SB36 50SE SG en 10 6 Checking the Function of the Varistors SMA Solar Technology AG Reinsert old varistors and leave them in place until new varistors and insertion tools are available f new varistors are available replace all varistors see Section 7 page 31 If a conductive connection is
20. cool and dry place Do not drop the Battery Pack or damage it with sharp objects Only set the Battery Pack down on its back i e on the side with the mounting lugs Do not open the Battery Pack Only operate the Battery Pack at ambient temperatures between O C and 40 C Do not install or operate the Battery Pack in potentially explosive atmospheres or areas of high humidity f moisture has penetrated the Battery Pack e g due to a damaged enclosure do not install or operate the Battery Pack n case of contact with electrolyte rinse the affected areas immediately with water and consult a doctor without delay Service Manual SB36 50SE SG en 10 7 2 Safety SMA Solar Technology AG A WARNING Risk of burns due to hot enclosure parts Some parts of the enclosure can get hot during operation During operation do not touch any parts other than the enclosure lid of the inverter NOTICE Damage to the inverter due to electrostatic discharge Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge Ground yourself before touching any component NOTICE Damage to the display or the type label due to the use of cleaning agents e If the inverter is dirty clean the enclosure the cooling fins the enclosure lid the type label the display and the LEDs using only water and a cloth 2 3 Disconnecting the In
21. ctive Input B of the inverter is defective Corrective measures Contact the SMA Service Line 7001 to 7002 Sensor fault A temperature sensor in the inverter is defective and the inverter interrupts the feed in operation Corrective measures Contact the SMA Service Line 7008 Disturbance sensor display temperature The ambient temperature sensor is defective The display is not switched off at temperatures below 25 C and as a result it may have been de stroyed The inverter continues feeding power into the grid Corrective measures Contact the SMA Service line 7102 Parameter file not found or defective The parameter file was not found or is defective The update failed The inverter continues feeding power into the grid Corrective measures Copy the parameter file to the correct folder again Service Manual SB36 50SE SG en 10 19 4 Troubleshooting Error number 7105 7106 SMA Solar Technology AG Display message cause and corrective measures Param setting failed Parameters could not be set using the memory card The inverter contin ues to feed in Corrective measures Ensure that the parameters are set correctly Ensure that you have an SMA Grid Guard code Update file defect Update file on the memory card is defective Corrective measures e Reformat the memory card Resave the files to the memory card 7110 No update file No update file has bee
22. d the data cable are properly connected to the Battery Pack see inverter manual at www SMA Solar com Ensure that the plug contacts of the power cable and the data cable are not damaged 9311 Battery cell overvoltage fault The voltage of at least one cell is outside the threshold Corrective measures Immediately disconnect the inverter from all voltage sources see Section 2 3 page 8 Contact the SMA Service line 9312 Battery cell undervoltage fault The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 9313 Low temperature fault in battery gt Check installation site The ambient temperature is below the lowest permitted temperature The inverter and the Battery Pack must only be operated at ambient tempera tures from O C to 40 C Corrective measures Ensure that the permitted ambient temperatures are complied with at the installation site If this message is displayed even though the permitted ambient temperature is complied with contact the SMA Service line 9314 Overtemperature fault in battery gt Check installation site The ambient temperature is above the highest permitted temperature The inverter and the Battery Pack must only be operated at ambient tempera tures from O C to 40 C Corrective measures Ensure that the permitted ambient temperatures are complied with at the installation site If this message is displayed even though the permitted
23. ead and observe all documents supplied with the product Validity This document is valid for the following device types from firmware version 2 02 17 R e SB 3600SE 10 Sunny Boy 3600 Smart Energy e SB 5000SE 10 Sunny Boy 5000 Smart Energy Target Group This document is intended for qualified persons Only persons with the appropriate skills are allowed to perform the tasks described in this document see Section 2 1 Skills of Qualified Persons page 6 Links to additional information can be found at www SMA Solar com Document title Document type SUNNY BOY 3600 5000 SMART ENERGY Operating Manual BATTERY PACK SMART ENERGY BATTERY PACK SMART ENERGY Technical Information Inverter Replacement in PV Systems with Com Installation Manual munication Products and Replacement of the SMA Energy Meter Parameter list Technical Information Order Form for the SMA Grid Guard Code Certificate Webconnect Systems in Sunny Portal User Manual Sunny Home Manager in Sunny Portal User Manual 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 A 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 re sult in prope
24. hes A and B or select the operating parameter Set country standard and check the value e Check the fuse 901 PE conn missing gt Check connection The grounding conductor is not correctly connected Corrective measures Ensure that the grounding conductor is correctly connected see inverter manual at www SMA Solar com 1001 1101 L N swapped gt Check connection The connection of Land N is swapped Corrective measures Ensure that L and N are correctly connected see inverter manual at www SMA Solar com Installation fault gt Check connection A second line conductor is connected to N Corrective measures Correct the AC connection see inverter manual at www SMA Solar com Service Manual SB36 50SE SG en 10 15 4 Troubleshooting Error number 1501 SMA Solar Technology AG Display message cause and corrective measures 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 con nect to the utility grid Corrective measures Ensure that the country data set has been configured correctly Check the setting of the rotary switches A and B or select the operating parameter Set country standard and check the value 3301 to 3303 Unstable operation The ten minute average value of the grid voltage is no longer within the permissible range The grid voltage or grid impedance at
25. isconnect the inverter from all voltage sources see Section 2 3 page 8 Install the short circuit device Connect the measuring device for insulation resistance Short circuit the first string a Cc R w 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 insulation resistance of a string deviates considerably from the theoretically calculated value there is a ground fault present in the respective string 10 Reconnect only those strings to the inverter from which the ground fault was eliminated 11 Reconnect all other strings to the inverter 12 Recommission the inverter see Section 9 page 33 13 If the inverter still displays an insulation error contact the SMA Service Line The PV modules might not be suitable for the inverter in the present quantity 28 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 6 Checking the Function of the Varistors 6 Checking the Function of the Varistors IF the inverter displays event number 7401 one of the varistors is probably defective NOTICE Destruction of the inverter due to overvoltage If varistors are missing the inverter is no longer protected against overvoltage Do not oper
26. m the Battery Pack Turn the mating plug to the left until it releases and pull it out of the pin connector 11 If the protective caps of the pin connectors for the data cable and the power cable are available use them to cover the corresponding pin connectors of the Battery Pack 12 Insert the data cable and power cable into the bracket on the left hand side of the inverter Service Manual SB36 50SE SG en 10 9 2 Safety SMA Solar Technology AG 13 Flip the DC contact protection up and press firmly until it snaps into place 14 Use a current clamp to ensure that no current is present in the DC cables 15 Unlock and remove all DC connectors Insert a flat blade screwdriver or an angled screwdriver blade width 3 5 mm into one of the side slots and pull the DC connectors straight out Do not pull on the cable 16 Ensure that no voltage is present at the DC inputs on the inverter 17 Ensure that no voltage is present on the AC connecting terminal plate between L and N using a suitable measuring device Insert a test probe in each round opening of the terminal 18 Ensure that no voltage is present on the AC connecting terminal plate between L and PE using a suitable measuring device Insert a test probe in each round opening of the terminal 19 If you are using the multifunction relay ensure that no voltage is present between any of the terminals on the multifunction relay and PE on the AC connecting terminal plate
27. n found Corrective measures Copy the update file to the memory card folder Select the folder NUPDATE 7112 Update file copied The update file was successfully copied to the memory of the inverter pro cessor 7201 to 7202 Data stor not poss Internal error The inverter continues to feed into the utility grid Corrective measures Contact the SMA Service Line 7303 Update main CPU failed The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 7324 Wait for update conditions The inverter has successfully completed the update 7330 Condition test failed The conditions of the update file used for the inverter settings e g coun try data set device type are not fulfilled Corrective measures Contact the SMA Service Line 20 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Error number 7333 Display message cause and corrective measures Update transport failed The update was not carried out successfully Corrective measures Restart the update 7337 Update BMS failed The cause must be determined by the SMA Service line Corrective measures Contact the SMA Service Line 7340 Update communication failed The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service line 7401 Varistor defective At least one of the thermally m
28. nently 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 SMA Service Line 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 disconnected from the utility grid Corrective measures Make sure that the circuit breaker is switched on Make sure that the AC cable is not damaged Make sure that the AC cable is correctly connected 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 SMA Service line Service Manual SB36 50SE SG en 10 13 4 Troubleshooting Error number 301 SMA Solar Technology AG Display message cause and corrective measures Grid fault The
29. onitored varistors is defective Corrective measures Check the function of the varistors see Section 6 page 29 7701 to 7703 Self diagnosis gt Interference of device The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service line 8001 Derating occurred 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 8902 Self diagnosis gt Battery controller relay defective The cause must be determined by the SMA Service line Corrective measures Contact the SMA Service Line 8903 Battery controller defective gt Disconnect PV array open DC Service Manual switch The cause must be determined by the SMA Service line Corrective measures Contact the SMA Service Line SB36 50SE SG en 10 21 4 Troubleshooting Error number 8904 SMA Solar Technology AG Display message cause and corrective measures Self diagnosis gt Interference of device The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service line 9002 Grid Guard code invalid The SMA Grid Guard code entered is incorrect The operating parame ters are still protected and cannot be changed Corrective measures Enter the correct SM
30. opean Agreement concerning the International Carriage of Dangerous Goods by Road ADR for packaging transport and labeling of dangerous goods Training in accordance with Section 1 3 ADR for packaging and transport of the Battery Pack Smart Energy 2 2 Safety Precautions This section contains safety precautions that must be observed 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 follow all safety precautions at all times A 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 fo electric shock and burns Do not touch uninsulated cable ends Do not touch the DC conductors Do not touch any live components of the inverter Have the inverter mounted installed and commissioned by qualified persons with the appropriate skills only e 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 3 page 8 6 SB36 50
31. parameter change is adopted Parameters set success The parameter changes were successfully adopted fully Update file OK The update file found is valid Memory card is read USB stick memory card is searched for the update file and the update file is checked No new update on the On the USB stick memory card there is an update file that has already memory card been used Update communication The inverter is updating the communication component Update main CPU The inverter is updating the inverter component Update completed The inverter has successfully completed the update Condition test success Conditions from the update file have been tested successfully ful Update transport Update file is being copied started Update transport suc Update file was copied successfully to the inverter s internal memory cessful Update BMS Battery management software BMS is updated Grid parameter un The parameters have been locked and cannot be changed changed 12 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting 4 3 Error Messages Error number 101 to 103 Display message cause and corrective measures 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 e Check whether the grid voltage at the connection point of the inverter is perma
32. perating parameters with the SMA Service Line 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 e If this message is displayed frequently contact the grid operator and check whether the monitoring threshold on the inverter can be raised 14 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Error number 701 Display message cause and corrective measures Frequency not permitted gt 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 the SMA Service Line 801 Waiting for grid voltage gt Grid failure gt Check fuse The AC cable is not correctly connected or the country data set is not cor recily configured Corrective measures Ensure that the AC cable is correctly connected see inverter manual at www SMA Solar com Ensure that the country data set has been configured correctly Check the setting of the rotary switc
33. present contact the SMA Service line 30 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 7 Replacing the Varistors 7 Replacing the Varistors Proceed as follows to replace each varistor 1 4A DANGER Danger to life due to high voltages Disconnect the inverter from all voltage sources and open the enclosure lid see Section 2 3 page 8 2 Insert the insertion tool in the clamping contacts of the connecting terminal plate 3 Remove the varistor from the connecting terminal plate 4 Insert the new varistor in the connecting terminal plate The labeling on the varistor must face downwards 5 Remove the insertion tool from the clamping contacts of the connecting terminal plate 6 Recommission the inverter see Section 9 page 33 Service Manual SB36 50SE SG en 10 31 8 Testing the Function of the Battery Pack SMA Solar Technology AG 8 Testing the Function of the Battery Pack You can test the function of the Battery Pack by manually charging and discharging The sequence for charging and discharging depends on the current state of charge of the Battery Pack Procedure Ifthe current state of charge of the Battery Pack is lower than 10 first charge the Battery Pack until the state of charge has increased to more than 10 and then discharge the Battery Pack Ifthe current state of charge of the Battery Pack is higher than 95 first discharge the Battery Pack until the state of charge has dropped
34. r are connected correctly Ensure that the Battery Pack is not defective Ensure that the inverter does not display any other error messages 32 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 9 Recommissioning the Inverter 9 Recommissioning the Inverter If you have disconnected the inverter from all voltage sources e g for configuration purposes and want to recommission it proceed as follows Requirements O The circuit breaker must be correctly rated L1 The inverter and the battery must be correctly mounted Procedure 1 Connect the DC connectors to the inverter M The DC connectors snap into place 2 Seal all unused DC inputs using the DC connectors with sealing plugs 3 Ensure that all DC connectors are securely in place 4 Flip the DC contact protection down until it snaps into place 6 Slide the protective cover across the Battery Pack and push the brackets on the right of the protective cover into the guides on the left of the inverter enclosure Then press the left side of the protective cover down onto the Battery Pack until it snaps into place 7 Ensure that the DC load break switch is turned to position OFF This makes it possible to fit the enclosure lid to the enclosure 8 Attach the enclosure lid Attach one conical spring washer to each screw The grooved side of the conical spring washer must point to the screw head Position the enclosure lid on the enclosure using the
35. ror number 3405 Display message cause and corrective measures IRE defective gt Disconnect the PV array Corrective measures Immediately disconnect the inverter from all voltage sources see Section 2 3 page 8 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 f the DC voltage is above 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 displayed frequently contact the SMA Service Line 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 see Section 5 page 26 3601 High discharge current gt Check generator The leakage current from 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 limiting value When the fault is eliminated the inverter automatically re connects to the utility grid Corrective measures Check the PV system for ground faults see Section 5 page 26 3701 Residual current too high gt Check generator The inverter has detected a residual current due to temporary grounding of the PV array
36. rty damage 4 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG Symbol A QUALIFIED PERSON 1 Information on this Document Explanation Sections describing activities to be performed by qualified persons only ij 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 Nomenclature Complete designation Battery Pack Smart Energy Designation in this document Battery Pack Sunny Boy 3600 5000 Smart Energy Inverter product Service Manual SB36 50SE SG en 10 5 2 Safety SMA Solar Technology AG 2 Safety 2 1 Skills of Qualified Persons The tasks described in this document must only be performed by qualified persons 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 batteries and systems Training in the installation and commissioning of electrical devices and systems Knowledge of the applicable standards and directives Knowledge of and compliance with this document and all safety precautions Knowledge of and compliance with the documents of the battery manufacturer and all safety precautions Knowledge of and compliance with the regulations of the Eur
37. six screws and tighten all screws diagonally to each other using an Allen key AF 5 torque 6 Nm 0 5 Nm Service Manual SB36 50SE SG en 10 33 9 Recommissioning the Inverter SMA Solar Technology AG 9 Switch on the circuit breaker 10 Turn the DC load break switch towards ON until it snaps into place at position I The startup phase begins M The green LED is glowing and the display alternates between the firmware version the serial number or designation of the inverter the IP address the subnet mask the serial number of the Battery Pack the configured country data set and the display language X The green LED is flashing Possible cause of error the DC input voltage is still too low or the inverter is monitoring the utility grid Once the DC input voltage is sufficiently high and the grid connection conditions are met the inverter will start operation X The red LED is glowing and an error message and event number appear in the display Eliminate the error see Section 4 Troubleshooting page 12 34 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 10 Decommissioning the Inverter 10 Decommissioning the Inverter A CAUTION Risk of injury through lifting or dropping the inverter or Battery Pack The inverter and the Battery Pack are heavy for weight see operating manual at www SMA Solar com There is risk of injury if the inverter or Battery Pack are lifted incorrectly or dropped during transport or
38. ures Ensure that the function of the Battery Pack was tested correctly Testing the Function of the Battery Pack Service Manual SB36 50SE SG en 10 25 5 Checking the PV System for Ground Faults SMA Solar Technology AG 5 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 A 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 Do not touch any parts of the sub structure 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 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 3 page 8 2 Measure the voltages Measure the voltages between the positi
39. ve terminal and the ground potential PE Measure the voltages between the negative terminal and the ground potential PE Measure the voltages 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 M All measured voltages are stable The sum of the two voltages to ground potential is approximately equal to the voltage between the positive and negative terminals f 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 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 5 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 ie ce 100 V 100 V O v 300 V gt 100 V 100 V 100 V 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 fault to the inverter and recommission the inverter see Section 9 page 33 Test by Measuring the Insulation Resistance IF the voltage measurement does not accurately indicate a ground fault the insulation resistance measurement can provide more detailed results b
40. verter from Voltage Sources 1 Disconnect the circuit breaker and secure it against reconnection 2 If the multi function relay is used switch off the load supply voltage if necessary 3 Turn the DC load break switch towards OFF until it snaps into place at position O 4 Wait until all LEDs and the display have gone out 2i A DANGER Danger to life due to high voltages The capacitors in the inverter take five minutes to discharge Wait five minutes before opening the enclosure lid 6 A CAUTION Risk of injury from dropping the enclosure lid After removing the last screw the enclosure lid could fall off Remove all screws of the enclosure lid using an Allen key AF 5 When removing the last screw support the enclosure lid with one hand Then remove the enclosure lid by pulling it forwards and make sure that the conical spring washers are retained 8 SB36 50SE SG en 10 Service Manual SMA Solar Technology AG 2 Safety 7 Grip behind the left hand side of the protective cover and lever it loose Then lift the protective cover forwards and off 8 Hold the Battery Pack by the side handles and slide it to the left of the wall mounting plate up to the stop This deactivates the lift off protection of the Battery Pack and gives you more room to pull out the cables 9 Remove the data cable from the Battery Pack Press the lateral brackets in and pull the plug out of the pin connector 10 Remove the power cable fro
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