Service Manual - SUNNY TRIPOWER 5000TL / 6000TL / 7000TL
Contents
1. 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 13 Spare Parts page 33 14 STP5 12TL 20 SG en 12 Service Manual SMA Solar Technology AG 6 Checking the Function of the Varistors e 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 16 If a conductive connection is present contact the SMA Service line Service Manual STP5 12T1 20 SG en 12 15 7 Replacing the Varistors SMA Solar Technology AG 7 Replacing the Varistors Proceed as follows to replace each varistor 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 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 label of the varistor must face to the right in the inside of the inverter 5 Remove the insertion tool from the clamping contacts of the connecting terminal plate 6 Recommission the inverter see Section 11 page 28 16 STP5 12T1 20 SG en 12 Service2. 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 insulation resistance per string to be expected 2 DANGER Danger to life due to high voltages Disconnect the inverter from all voltage sources see Section 3 page 8 Install the short circuit device Connect the measuring device for insulation resistance Short circuit the first string On KR 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 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
3. against theft loosen the safety screws Q 10 Remove the inverter by lifting it vertically up and off the wall mounting bracket Service Manual 5 5 12 20 5 12 31 12 Decommissioning the Inverter SMA Solar Technology AG 11 NOTICE Damage to the ESS pin connector from dirt and foreign bodies By setting down the inverter on uneven ground dirt or foreign bodies can penetrate the interior of the pin connector and cause damage to the contacts This will impair the function of the ESS Always set the inverter down on a level support surface or lay it on its back 12 If the inverter is to be stored or shipped in a package pack the inverter the protective cover and the ESS Use the original packaging or packaging that is suitable for the weight and dimensions of the inverter 13 Dispose of the inverter in accordance with the locally applicable disposal regulations for electronic waste 32 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 13 Spare Parts 13 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 Electronic Solar Switch ESS as spare part ESS HANDLE Replacement varistors Set with four thermally moni STP TV10 tored varistors incl insertion tool Insertion tool for replacing Insertion too
4. 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 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 22 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 10 Troubleshooting Event 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 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 the SMA Service Line 1302 Waiting for grid voltage gt Installation failure grid connection gt Check grid and fuses The inverter has detected an error in the AC cabling or the potential difference between N and the grounding conduc
5. other strings fo the inverter 12 Recommission the inverter see Section 11 page 28 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 Service Manual STP5 12TL 20 SG en 12 13 6 Checking the Function of the Varistors SMA Solar Technology AG 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 operate 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 DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources and open the enclosure lid see Section 3 page 8 2 Insert the insertion tool in the clamping contacts of 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
6. second and third PV module V 300 V V 200 V 100 V 100 V gt 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 11 page 28 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 Figure 1 Schematic diagram of the measurement 12 5 5 12 20 5 12 Service Manual SMA Solar Technology AG 5 Checking the PV System for Ground Faults 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 Ry Ro Rs 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
7. the SMA Service Line Corrective measures Contact the SMA Service Line 6801 to 6802 Self diagnosis gt Input A defective The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 6901 to 6902 Self diagnosis gt Input B defective The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line Service Manual STP5 1 2TL 20 SG en 12 25 10 Troubleshooting Event number 7001 to 7002 SMA Solar Technology AG Display message cause and corrective measures Sensor fault fan permanently on 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 monitored varistors is defective Corrective measures Check the function of the varistors see Section 6 page 14 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 ex cessive temperature Corrective measures If this message is displayed frequently clean the fans see Section 8 page 17 Ensure that the inverter has sufficient ventilation 8101 to 8104 Comm disturbed The cause must be determined by the SMA Service Lin
8. 04 to 2014 SMA Solar Technology AG All rights reserved 2 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG Table of Contents Table of Contents 1 2 o DAN 0 11 12 13 14 Information on this Document eere eene tnn 4 Balely cis utendi nto enisi tiva 6 2 1 Skilleet Qualified 6 22 afety Preca E tiu ee oU tem EP 6 Disconnecting the Inverter from Voltage Sources 8 Cleaning the Inverter desee ient 10 Checking the PV System for Ground Faults 11 Checking the Function of the Varistors 14 Replacing the Varistors 16 Cleaning the Fans use esevbe pucce cix ue pet pde e uve Sep 17 Checking the Function of the Fans esses 19 Troubleshooting oso sd totns eire UTERE NEN EA 20 TOT TED SIBI est rebat ta 20 10 2 Error Message Serana a 21 10 3 Event Messages unnn ein S 27 Recommissioning the Inverter ssssessssesesesesessoscscssosesesesesesses 28 Decommissioning the Inverter sesssssssssoseseseseseoscsessososeseseseeses 30 Spare Pants mec M 33 ier 34 Service Manual STP5 12T1 20 SG en 12 3 1 Information on this Document SMA Solar Technology AG 1 Informa
9. 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 34 STP5 12TL 20 SG en 12 Service Manual SMA Solar Technology AG 14 Contact 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 Kurtpoc Kibris BA rre Bkz Yunanistan luxemburg Siehe Belgien Luxembourg Voir Belgique Magyarorsz g l sd esko Csehorsz g Nederland zie Belgien Belgi sterreich Siehe Deutschland Per Ver Espa a Polska Patrz esko Czechy Portugal SMA Solar Technology Portugal Isento de taxas em Portugal Unipessoal Lda 800 20 89 87 Lisboa Internacional 351 212377860 Rom nia Vezi esko Cehia Schweiz Siehe Deutschland Slovensko pozri esko esk republika South Africa SMA Solar Technology South Africa 08600 SUNNY 08600 78669 Pty Ltd International 27 12 64
10. 3 1785 Centurion Pretoria United King SMA Solar UK Ltd 44 1908 304899 dom Milton Keynes E dda SMA Hellas AE 801 222 9 222 International 30 212 222 9 222 Ine SMA Solar Thailand Co Ltd 66 2 670 6999 ANN Service Manual STP5 1 2TL 20 SG en 12 35 14 Contact SMA Solar Technology AG CH eral SMA Technology Korea Co Ltd 82 2 508 8599 A he SMA Beijing Commercial Company 86 10 5670 1350 Ltd dtm 971 2 234 6177 SMA Middle East LLC ea uy ub gil Bas n jall Other countries International SMA Service Line Toll free worldwide 00800 SMA SERVICE Niestetal 800 762 7378423 36 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology
11. Manual SMA Solar Technology AG 8 Cleaning the Fans 8 Cleaning the Fans Procedure Cleaning the ventilation grids Cleaning the fans Cleaning the Ventilation Grids Proceed as follows to clean each ventilation grid 1 Remove the ventilation grid laterally 2 NOTICE Damage to the inverter due to foreign bodies Do not remove the ventilation grid permanently otherwise foreign bodies could penetrate the enclosure 3 Clean the ventilation grid with a soft brush a paint brush or compressed air 4 Close the recessed grips with the ventilation grids Ensure that the assignment is correct The correct assignment is marked on the inside of each ventilation grid links left for the left hand side and rechts right for the righthand side Cleaning the Fans Proceed as follows to clean each fan 1 DANGER Danger to life due to high voltages Disconnect the inverter from all voltage sources see Section 3 page 8 2 Wait for the fans to stop rotating 3 Check whether the fan guard is dusty or heavily soiled If the fan guard is dusty clean the fan guard with a vacuum cleaner If the fan guard is heavily soiled remove the fan guard and clean it Use a screwdriver to push the two locking tabs at the righthand edge of the fan guard to the right hand side and remove them from the retainer Carefully remove the fan guard e Clean the fan guard with a soft brush a paint brush a cloth or compresse
12. OTICE 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 Ifa 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 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 Ifthe inverter is dirty clean the enclosure the cooling fins the enclosure lid the type label the display and the LEDs using clean water and a cloth only Service Manual STP5 12T1 20 SG en 12 3 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 3 Disconnecting the Inverter from Voltage Sources Prior to performing any work on the inverter always disconnect it from all voltage sources as described in this section It is important to always observe the prescribed sequence NOTICE Destruction of the measuring device due to overvoltage Only use m
13. cting terminal plate 8 STP5 12TL 20 SG en 12 Service Manual SMA Solar Technology AG 12 NOTICE 3 Disconnecting the Inverter from Voltage Sources 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 Service Manual STP5 1 2TL 20 SG en 12 9 4 Cleaning the Inverter SMA Solar Technology AG 4 Cleaning the Inverter NOTICE Damage to the display or the type label due to the use of cleaning agents If the inverter is dirty clean the enclosure the cooling fins the enclosure lid the type label the display and the LEDs using clean water and a cloth only 10 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 5 Checking the PV System for Ground Faults 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 dev
14. d air 4 Check whether the fan is soiled If the fan is soiled remove the fan Service Manual STP5 12TL 20 SG en 12 17 8 Cleaning the Fans SMA Solar Technology AG Use a screwdriver to push the two locking tabs at the righthand edge of the fan guard to the right hand side and remove them from the retainer Carefully remove the fan guard Push the locking tabs of the fan towards the center Carefully remove the fan from the inverter Release and remove the fan plug 5 NOTICE Damage to the fan due to compressed air Clean the fan with a soft brush a paint brush or a damp cloth 6 Insert the plug of the fan in the pin connector until it snaps into place 7 Insert the fan in the inverter until it snaps into place 8 Push the fan guard into the retainer until it snaps into place 9 Recommission the inverter see Section 11 page 28 10 Check that the fan is working properly see Section 9 page 19 18 STP5 12TL 20 SG en 12 Service Manual SMA Solar Technology AG 9 Checking the Function of the Fans 9 Checking the Function of the Fans You can check the function of the fans by setting a parameter Requirements A communication product corresponding to the type of communication used must available The inverter must be in operation Procedure Access the user interface of the communication product and l
15. e Corrective measures Contact the SMA Service Line 8801 to 8803 No display This error message can have three causes but the inverter continues to feed into the utility grid The ambient temperature is lower than 25 C The display switched off for reasons of protection The inverter cannot identify the display type No display is connected to the inverter or the connection is defective Corrective measures If the display switched off due to the ambient temperature being too low wait until the ambient temperature is above 25 C Ifthe ambient temperature is above 25 C contact SMA Service Line 26 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 10 Troubleshooting Event number Display message cause and corrective measures 9002 Inst code invalid The SMA Grid Guard code entered is not correct The operating parameters are still protected and cannot be changed Corrective measures Enter the correct SMA 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 10 3 Event Messages Display message Update file OK Grid parameter locked Cause The update file found is valid The parameters have been locked and cannot be changed Update communication The inverter is updating the communication component Update main CPU The inve
16. e 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 e Prior to performing any work on the inverter disconnect it from all voltage sources as described in this document see Section 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 6 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 2 Safety 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 N
17. easuring devices with a DC input voltage range of 1 000 V or higher 1 Disconnect the circuit breaker from all three line conductors and secure against reconnection 2 Remove the ESS 3 Loosen two screws of the protective cover using an Allen key AF 5 and remove the protective cover 4 Use a current clamp to ensure that no current is present in the DC cables 5 Release and remove all DC connectors Insert a flat blade screwdriver or an angled screwdriver blade width 3 5 mm in one of the side slots and pull the DC connectors straight out Do not pull on the cable 6 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 7 Ensure that no voltage is present at the DC inputs of the inverter 8 Unscrew all the screws of the enclosure lid using an Allen key AF 5 and remove the enclosure lid 9 Use an appropriate measuring device to ensure that no voltage is present at the AC connecting terminal plate between L1 and N L2 and N and L3 and N Insert a test probe in each round opening of the terminal 10 Use an appropriate measuring device to ensure that no voltage is present at the AC connecting terminal plate between L1 and PE L2 and PE and L3 and PE Insert a test probe in each round opening of the terminal 11 Ensure that no voltage is present between any terminal of the multifunction relay and PE of the AC conne
18. ice 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 DANGER Danger to life due to high voltages Disconnect the inverter from all voltage sources see Section 3 page 8 2 Measure the voltages Measure the voltages between the positive 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 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 Service Manual STP5 12TL 20 SG en 12 11 5 Checking the PV System for Ground Faults SMA Solar Technology AG Example Location of the ground fault The example shows a ground fault between the
19. l for varistors SB TVWZ varistors Ventilation grid Ventilation grid set right and 45 7202 left as spare part SUNCLIX DC connector Field plug for conductor cross SUNCLIX FC6 SET sections of 2 5 mm to 6 mm When ordering a new ESS always indicate the device type and serial number of the inverter Service Manual STP5 12TL 20 SG en 12 33 14 Contact 14 Contact If you have technical problems with 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 e Inverter firmware version SMA Solar Technology AG e Special country specific settings of the inverter if applicable Type and number of PV modules connected Mounting location and mounting altitude of the inverter g g e Three digit or four digit event number and display message Optional equipment e g communication products Use of the multifunction relay Australia SMA Australia Pty Ltd Toll free for Australia 1800 SMA AUS Sydney 1800 762 287 International 61 2 9491 4200 Belgien Bel SMA Benelux BVBA SPRL 32 15 286 730 gique Belgi Mecheln Brasil Vide Espa a Espanha esko SMA Central amp Eastern Europe s r o 420 235 010 417 Praha Chile Ver Espa a Danmark Se Deutschland Tyskland Deutschland SMA Solar Technology AG Niestetal Medium Power Solutions Wechselrichter 49 561 9522
20. m all voltage sources see Section 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 If this message is repeated frequently contact the SMA Service Line 3501 Insulation resist 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 5 page 11 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 thresh old and then automatically reconnects to the utility grid Corrective measures Check the PV system for ground faults see Section 5 page 11 3701 Residual current 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 5 page 11 3801 to 3802 DC overcurrent gt Check generator Overcurrent at the DC input The inverter briefly interrupts feed in operatio
21. n Corrective measures e If this message is displayed frequently ensure that the PV array has been correctly rated and wired 24 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 10 Troubleshooting Event number 3901 to 3902 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 e If this message is displayed frequently in the morning increase the voltage limit for starting grid feed in Change the parameter Critical voltage to start feed in If this message is displayed frequently with medium irradiation ensure that the PV array is correctly rated 6001 to 6438 Self diagnosis gt Interference of device The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 6501 to 6509 Self diagnosis gt Overtemperature The inverter has switched off due to excessive temperature Corrective measures Clean the fans see Section 8 page 17 Ensure that the inverter has sufficient ventilation 6511 Overtemperature The inverter has switched off due to excessive temperature Corrective measures Clean the fans see Section 8 page 17 Ensure that the inverter has sufficient ventilation 6603 to 6604 Self diagnosis gt Overload The cause must be determined by
22. n attaching it to or removing it from the wall mounting bracket Carry and lift the inverter upright with the help of several people Use both hands to grasp the recessed grips at the top and bottom or use a steel rod diameter 30 mm at maximum This will prevent the inverter tipping forward 1 DANGER Danger to life due to high voltages Disconnect the inverter from all voltage sources see Section 3 page 8 2 Remove the AC cable from the inverter 3 If an Ethernet cable is connected for Speedwire communication remove the cable from the inverter 4 If the multifunction relay the SMA Power Control Module or the 485 Data Module Type are used remove the connection cable from the inverter 5 Close the inverter Attach one conical spring washer to each screw The grooved side of the conical spring washer must point to the screw head 30 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 12 Decommissioning the Inverter e Secure the enclosure lid in the sequence 1 to 6 torque 6 Nm 0 5 Nm using an Allen key AF 5 6 If a second grounding conductor is connected loosen the M6x16 cylindrical screw and remove the screw conical spring washer clamping bracket and grounding conductor 7 Remove the ventilation grids laterally 8 Loosen the screws on both sides between the inverter and the wall mounting bracket using an Allen key AF 5 9 If the inverter is protected
23. o the inverter 3 Seal all unused DC inputs using the DC connectors with sealing plugs 4 Secure the protective cover using two screws and an Allen key AF 5 5 Securely plug in the ESS 28 STP5 12TL 20 SG en 12 Service Manual SMA Solar Technology AG 11 Recommissioning the Inverter 6 Switch on the circuit breaker of all three line conductors 7 I the multifunction relay is used switch on the load supply voltage if necessary The start up phase begins The green LED is glowing and the display alternates between the firmware version the serial number or designation of the inverter the NetID the IP address the subnet mask 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 10 Troubleshooting page 20 Service Manual STP5 12TL 20 SG en 12 29 12 Decommissioning the Inverter SMA Solar Technology AG 12 Decommissioning the Inverter A CAUTION Risk of injury when lifting the inverter or if it is dropped The inverter is heavy There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or whe
24. og in as installer 2 Select the parameter Fan test or FanTst and set to On 3 4 Check whether air is coming out the ventilation grids and whether the fans are making any Save settings unusual noises If there is no air coming out of the ventilation grids or the fans are making unusual noises presumably the fans were not installed properly Check the installation of the fans If the fans were installed correctly contact the SMA Service Line Select the parameter Fan test or FanTst and set to Off Save settings Service Manual STP5 12TL 20 SG en 12 19 10 Troubleshooting SMA Solar Technology AG 10 Troubleshooting 10 1 LED Signals The LEDs indicate the operating state of the inverter LED Status Explanation Green LED glowing Feed in operation If an event occurs during feed in operation the event mes sage is shown on the display see Section 10 3 page 27 flashing The grid connection conditions are not met Red LED glowing Error The display shows an error message and an event number see Section 10 2 page 21 Blue LED glowing Bluetooth communication is active 20 STP5 12T1 20 SG en 12 Service Manual SMA Solar Technology AG 10 Troubleshooting 10 2 Error Messages Event number Display 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 utilit
25. or goal but is not safety relevant Indicates a requirement for meeting a specific goal M Desired result x A problem that might occur 4 STP5 12TL 20 SG en 12 Service Manual SMA Solar Technology AG Nomenclature Complete designation Electronic Solar Switch 1 Information on this Document Designation in this document ESS PV system System SMA Bluetooth Wireless Technology Bluetooth Sunny Boy Inverter product Service Manual STP5 1 2TL 20 SG en 12 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 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 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 lif
26. pm Service Manual SUNNY TRIPOWER 5000 6000TL 7000TL 8000TL 9000TL 10000TL 12000TL STP5 12TL 20 SG en 12 Version 1 2 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 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 g g 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 20
27. roubleshooting Event number 301 SMA Solar Technology AG Display message cause and corrective measures 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 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 Ask the grid operator whether the voltage can be adjusted at the feed in point or request approval to change 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 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 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
28. rter is updating the inverter component Update Bluetooth Update language table The inverter is updating the Bluetooth component The inverter is updating the language table Update completed The inverter has successfully completed the update Grid parameter unchanged The selected rotary switch position is not assigned or the grid param eters cannot be changed Inst code valid The SMA Grid Guard code entered is valid Protected parameters have now been unlocked and you can adjust the parameters The parameters will be automatically locked again after ten feed in hours Self test The self test is being carried out Service Manual STP5 12TL 20 SG en 12 27 11 Recommissioning the Inverter SMA Solar Technology AG 11 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 L1 The circuit breaker must be correctly rated L1 The inverter must be correctly mounted Procedure 1 Close the inverter and ground 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 o o 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 2 Connect the DC connectors t
29. tion on this Document This document describes how to rectify certain errors and how to replace defective components This document is a supplement to the documentation that is provided with each product It does not replace any locally applicable standards or directives Read and observe all documentation supplied with the product Validity This document is valid for the following device types from firmware version 2 52 e STP 5000TL 20 Sunny Tripower 500071 STP 6000TL 20 Sunny Tripower 6000TL e STP 7000TL 20 Sunny Tripower 7OOOTL e STP 8000TL 20 Sunny Tripower 8000TL e STP 9000 20 Sunny Tripower YOOOTL e STP 10000 20 Sunny Tripower 10000 e STP 12000 20 Sunny Tripower 1 2000TL Target Group This document is intended for qualified persons Only persons with the appropriate skills are allowed to perform the activities described in this document see Section 2 1 Skills of Qualified Persons page 6 Symbols Symbol Explanation 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
30. tor in the installation is higher than 50 V The inverter cannot connect to the utility grid Corrective measures Ensure that the AC connection is correct see operating manual of the inverter Ensure that there is no potential difference between N and the grounding conductor in the building installation Ensure that the country data set has been configured correctly Check the positions of the rotary switches A and B or select and check the parameter for the country data set 1501 Reconnection fault grid 3302 to 3303 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 Check the positions of the rotary switches A and B or select and check the parameter for the country data set 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 Service Manual STP5 1 2TL 20 SG en 12 23 10 Troubleshooting Event number 3401 to 3402 SMA Solar Technology AG Display message cause and corrective measures DC overvoltage gt Disconnect generator Overvoltage at DC input This can destroy the inverter Corrective measures Immediately disconnect the inverter fro
31. y grid 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 Ask the grid operator whether the voltage can be adjusted at the feed in point or request approval to change 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 203 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 Make sure that the AC cable is not damaged Make sure that the AC cable is correctly connected 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 Ask the grid operator whether the voltage can be adjusted at the feed in point or request approval to change 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 STP5 12TL 20 SG en 12 21 10 T
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