Service Manual - SUNNY TRIPOWER 15000TL / 17000TL
Contents
1. Service Manual SUNNY TRIPOWER 15000TL 17000TL 5 15 17 10 5 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 You can download the current warranty conditions from the Internet at www SMA Solar com Trademarks All trademarks are recognized even if not explicitly identified as such A lack of identification does not mean that a product or symbol is not trademarked The BLUETOOTH word mark and logos are registered trademarks of Bluetooth SIG Inc and any use of these marks by SMA Solar Technology AG is under license Modbus is a registered trademark of Schneider Electric and is licensed by the Modbus Organization Inc QR Code is a registered trademark of DENSO WAVE INCORPORATED Phillips and Pozidriv are registered trademarks of Phillips Screw Company Torx is a registered trademark of Acument Global Technologies Inc SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2004 to 2014 SMA Solar Technology AG All r2. display failed Internal error The inverter continues to feed into the utility grid Corrective measures Retry update If this message is displayed again contact Service see Section 15 page 43 7311 Update language table failed Internal error The inverter continues to feed into the utility grid Corrective measures e Retry update If this message is displayed again contact Service see Section 15 page 43 7314 Update string protection failed Internal error The inverter continues to feed into the utility grid Corrective measures Retry update e If this message is displayed again contact Service see Section 15 page 43 7316 Update Speedwire module failed Internal error The inverter continues to feed into the utility grid Corrective measures e Retry update e If this message is displayed again contact Service see Section 15 page 43 Service Manual STP15 17TL 10 SG en 10 19 4 Troubleshooting Event number 7324 SMA Solar Technology AG Display message cause and corrective measures Wait for update conditions Ensure that there is DC supply to the inverter and that it feeds more than 1 000 W into the utility grid for over one minute 7326 Webconnect update failed Internal error The inverter continues to feed into the utility grid Corrective measures Retry update 7401 Varistor defective At least one of the thermally monitored v
3. 6604 Self diagnosis Overload The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 6701 to 6702 Comm disturbed The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 6801 to 6802 Self diagnosis gt Input A defective The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 6901 to 6902 Self diagnosis gt Input B defective The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 7001 to 7002 Sensor fault fan permanently on The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 Service Manual STP15 17TL 10 SG en 10 17 4 Troubleshooting Event number 7101 7102 SMA Solar Technology AG Display message cause and corrective measures SD card defective The SD memory card is not formatted Corrective measures Reformat the SD memory card e Resave the files to the SD memory Parameter file not found or defective The parameter file was not found or is defective The update failed The in verter continues feeding power into the grid Corrective measures Copy the parameter file into the card drive PARASET directory 7105 Param setting failed It was not possible to set the para
4. Inverter ceres esee 40 Spare sessies 42 CONTAC e M 43 Service Manual STP15 17TL 10 SG en 10 3 1 Information on this Document SMA Solar Technology AG 1 Information on this Document 11 Validity 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 Read and observe all documents supplied with the product This document is valid for the following device types e STP 15000 10 Sunny Tripower 1 5000TL e STP 17000 10 Sunny Tripower 17000Tl 1 2 Target Group 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 installations Training in the installation and commissioning of electrical devices and installations Knowledge of the applicable standards and directives Knowledge of and compliance with this document and all safety information 1 3 Symbols Symbol Explanation A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING Indicates a hazardous si
5. be a ground fault The electrical insulation from the PV system to ground is defective or insufficient WARNING Danger to life due to electric shock In the event of a ground fault high voltages can be present Touch the cables of the PV array on the insulation only Do not touch any parts of the substructure or frame of the PV array Do not connect PV strings with ground faults to the inverter NOTICE Destruction of the measuring device due to overvoltage Only use measuring devices with a DC input voltage range of 1 000 V or higher Procedure In order to check the PV system for ground faults perform the following actions in the prescribed order The exact procedure is described in the following sections e Check the PV system for ground faults by measuring the voltage If the voltage measurement was not successful check the PV system via insulation resistance measurement for ground faults Test by Measuring the Voltage Proceed as follows to check each string in the PV system for ground faults Procedure 1 DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources see Section 2 2 page 7 2 Measure the voltages Measure the voltage between the positive terminal and the ground potential Measure the voltage between the negative terminal and the ground potential Measure the voltage between the positive and ne
6. displayed contact Service see Section 15 page 43 401 to 404 12 5 15 17 10 5 10 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 Service Manual SMA Solar Technology AG 4 Troubleshooting Event number 501 Display message cause and corrective measures 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 operator and request approval to change the operating parameters of the inverter If the grid operator gives his approval discuss any changes to the operating parameters with Service see Section 15 page 43 601 Grid fault The inverter has detected an excessively high proportion of direct current in the grid current Corrective measures Check the grid connection for direct current If this message is displayed frequently contact the grid operator and check whether the monitoring threshold on the inverter can be raised 701 Frq not permitted gt Check parameter The power frequency is not within the permissible range The inverter has dis connected fro
7. grid with a flat blade screwdriver until the notch is in a vertical position Remove the ventilation grid Use a screwdriver to gently lever open the ventilation grid Clean the ventilation grid with a soft brush a paint brush or compressed air 24 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 5 Cleaning the Fans 3 NOTICE Damage to the inverter due to foreign bodies Do not remove the ventilation grids permanently otherwise foreign bodies could penetrate the enclosure 4 Wait for the fan to stop rotating 5 Press the locking tabs on the fan toward the center of the fan 6 Carefully remove the fan from the inverter 7 Release and remove the fan plug 8 NOTICE Damage to the fan due to compressed air Clean the fan only with a soft brush a paint brush or a damp cloth 9 After cleaning insert the fan plug into the pin connector until it snaps into place 10 Insert the fan into the inverter until it snaps into place 11 Attach the ventilation grids on the right hand and left hand side of the inverter Service Manual STP15 17TL 10 SG en 10 25 5 Cleaning the Fans SMA Solar Technology AG Reinsert the ventilation grid until it snaps into place Turn the rotary lock of the ventilation grid with a flat blade screwdriver until the slot is in a horizontal position and the arrows point to the right Ensure that t
8. longer within the per missible range The grid voltage or grid impedance at the connection point is too high The inverter disconnects from the utility grid to maintain power qual ity Corrective measures 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 Service see Section 15 page 43 3401 to 3402 DC overvoltage gt Disconnect generator Overvoltage at the DC input This can destroy the inverter This message is additionally highlighted by rapid flashing of the backlight Corrective measures Immediately disconnect the inverter from all voltage sources see Section 2 2 page 7 Check whether the DC voltage is below the maximum input voltage of the inverter If the DC voltage is below the maximum input voltage of the inverter reconnect the DC connectors to the inverter If the DC voltage exceeds the maximum input voltage of the inverter ensure that the PV array has been correctly rated or contact the installer of the PV array e If this message is repeated frequently contact Service see Section 15 pa
9. multifunction relay is used switch on any supply voltage to the load All three LEDs start to glow and the start up phase begins The start up phase may take several minutes The green LED is glowing and the display alternates between the device type the firmware version the serial number or designation of the inverter the NetlD the configured country data set and the display language 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 The red LED is glowing and an error message and event number appear in the display An error has occurred Rectify the error see Section 4 Troubleshooting page 10 Service Manual STP15 17TL 10 SG en 10 39 13 Decommissioning the Inverter SMA Solar Technology AG 13 Decommissioning the Inverter CAUTION Risk of injury when lifting the inverter or if it is dropped The inverter weighs 59 kg There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or when attaching it to or removing it from the wall mounting bracket Carry and lift the inverter in an upright position with several people without tilting it With one hand grasp the recessed grip and with the other hand support the top part of the enclosure This will prevent the inve
10. 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 that string 10 Reconnect to the inverter only those strings from which the ground fault has been eliminated 11 Reconnect all other strings to the inverter 12 Recommission the inverter see Section 12 page 38 13 If the inverter still displays an insulation error contact Service see Section 15 page 43 The PV modules might not be suitable for the inverter in the present quantity 30 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 8 Checking the Function of the Varistors 8 Checking the Function of the Varistors LIL213N Figure 2 Varistors inside the inverter 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 overvolta
11. als on the enclosure lids can be damaged This can lead to moisture entering the inverter Do not open the inverter at ambient temperatures lower than 5 C lf a layer of ice has formed on the seal of the lid in subfreezing conditions remove it prior to opening the enclosure lids of the inverter e g by melting the ice with warm air Observe the applicable safety regulations NOTICE Damage to the display or the type label due to the use of cleaning agents f the inverter is dirty clean the enclosure the enclosure lid the type label the display and the LEDs with a damp cloth only 2 2 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 Always adhere to the prescribed sequence 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 1 Disconnect the circuit breaker from all three line conductors and secure against reconnection 2 If the multifunction relay is used switch off any supply voltage to the load 3 Test whether there is an acoustic signal If an acoustic signals sounds and the display shows an error message that prohibits disconnecting the ESS wait until dark The ESS can only be disconnected once it is dark If no acoustic signal sounds and the displa
12. aristors is defective Corrective measures Check the function of the varistors see Section 8 page 31 7508 Fan fault gt Clean fan One of the fans is blocked Corrective measures Clean the fans see Section 5 page 23 7701 to 7703 Self diagnosis gt Interference device The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 8001 Derating occurred The power supplied by the inverter was reduced to below the maximum possi ble instantaneous power derating for more than ten minutes due to excessive temperature Corrective measures e If this message is displayed frequently clean the fans see Section 5 page 23 Ensure that the inverter has sufficient ventilation 8104 Interference device The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 8201 Interference device gt Do not disconn ESS The cause must be determined by the Service Corrective measures Disconnect the inverter from all voltage sources when it is dark see Section 2 2 page 7 Contact Service see Section 15 page 43 20 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Event number 8202 8203 Display message cause and corrective measures Connect ESS do not open cover Device disturbance or reverse current in the PV array Wait until dark
13. before disconnecting the PV array from the inverter in order to prevent the risk of an electric arc occurring when the DC connectors are pulled out Corrective measures Securely plug in the ESS all the way Disconnect the inverter from all voltage sources when it is dark see Section 2 2 page 7 Interference device gt Do not disconn ESS The cause must be determined by the Service Corrective measures Disconnect the inverter from all voltage sources when it is dark see Section 2 2 page 7 Contact Service see Section 15 page 43 8301 Lightn prot inactive gt Chk lightn prot A PE At least one surge arrester is defective Corrective measures Check the function of the surge arresters see Section 10 page 34 8302 Lightn prot inactive gt Chk lightn prot B PE At least one surge arrester is defective Corrective measures Check the function of the surge arresters see Section 10 page 34 8401 9002 Overheating gt Disconn device from generator and grid Device disturbance due to overheating in the inverter The inverter disconnects from the utility grid and from the PV array Corrective measures Contact Service see Section 15 page 43 Grid Guard Code invalid The SMA Grid Guard code entered is incorrect The operating parameters are still protected and cannot be changed Corrective measures Enter the correct SMA Grid Guard code 9003 Grid param locked T
14. es E dda SMA Hellas AE 801 2229 222 International 30 212 222 9 222 Ing SMA Solar Thailand Co Ltd 66 2 670 6999 reri SMA Technology Korea Co Ltd 82 2 520 2666 44 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 15 Contact 971 2 234 6177 SMA Middle East LLC e cub sl basil as yall Other countries International SMA Service Line Toll free worldwide 00800 SMA SERVICE Niestetal 800 762 7378423 Service Manual STP15 17TL 10 SG en 10 45 SMA Solar Technology
15. esponding component The inverter has successfully completed the update Grid param unchanged The parameters are locked and you cannot change them Inst code valid The entered Grid Guard code is valid Protected parameters have now been unlocked and you can adjust the parameters The param eters will be automatically locked again after ten feed in hours 4 3 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 utility grid Corrective measures Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must agree with an adjustment of the voltage at the feed in point or with a change of the monitored operating limits If the grid voltage is permanently within the permissible range and this message is still displayed contact Service Service Manual STP15 17TL 10 SG en 10 11 4 Troubleshooting Event number 202 to 203 SMA Solar Technology AG Display message cause and corrective measures 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 inverte
16. gative 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 28 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 7 Checking the PV System for Ground Faults Example Location of the ground fault The example shows a ground fault between the second and third PV module V 200 V V 300 V Eb eT 100 V 100 n 100 V 100 V 100 V or 3 If a definite ground fault cannot be measured and the message is still displayed measure the insulation resistance 4 Reconnect the strings without ground faults to the inverter and recommission the inverter see Section 12 page 38 Test by Measuring the Insulation Resistance If the voltage measurement does not provide sufficient evidence of a ground fault the insulation resistance measurement can provide more exact results IHS O Figure 1 Schematic diagram of the measurement Service Manual STP15 17TL 10 SG en 10 29 7 Checking the PV System for Ground Faults SMA Solar Technology AG i Calculating the insulation resistance The expected total resi
17. ge 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 lower enclosure lid see Section 2 2 page 7 Service Manual STP15 17TL 10 SG en 10 31 8 Checking the Function of the Varistors SMA Solar Technology AG 2 Release all four screws of the DC protective cover using an Allen key AF 3 and remove the DC protective cover 3 Insert the insertion tool into the clamping contacts of the connecting terminal plate 4 Remove the varistor from the connecting terminal plate 5 Use a measuring device to measure whether there is a conductive connection between the middle and the left 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 14 Spare Parts page 42 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 9 page 33 If a conductive connection is present contact Service see Section 15 page 43 32 STP15 17TL 10 SG en 10 Service Manual SMA Solar Techn
18. ge 43 14 5 15 17 10 5 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Event number 3501 Display message cause and corrective measures 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 7 page 28 3601 High discharge curr gt Check generator The leakage current of the inverter and the PV array is too high There is a ground fault a residual current or a malfunction The inverter interrupts feed in operation immediately after exceeding a limiting value When the fault is eliminated the inverter automatically reconnects to the utility grid Corrective measures Check the PV system for ground faults see Section 7 page 28 3701 Resid curr too high gt Check generator The inverter has detected a residual current due to temporary grounding of the PV array Corrective measures Check the PV system for ground faults see Section 7 page 28 3801 to 3802 DC overcurrent gt Check generator Overcurrent at the DC input The inverter briefly interrupts feed in operation Corrective measures e If this message is displayed frequently ensure that the PV array has been correctly rated and wired 3901 to 3902 Waiting for DC start cond gt Start cond not met The feed in conditions for the utility grid are not yet fulfilled Corrective measures Wa
19. he parameters are now locked but can be changed at any time via the rotary switch No corrective measures required Service Manual STP15 17TL 10 SG en 10 21 4 Troubleshooting Event number 9005 SMA Solar Technology AG Display message cause and corrective measures Changing grid param not possible gt Ensure DC supply This error can have the following causes The selected rotary switch setting for the country configuration is not programmed The parameters to be changed are protected The DC voltage at the DC input is not sufficient to run the main CPU Corrective measures Ensure that the country data set has been configured correctly Enter the SMA Grid Guard code Ensure that sufficient DC voltage is available green LED is glowing or flashing 9007 Abort self test Error in the AC cabling Corrective measures Ensure that the AC connection is correct see operating manual of the inverter 22 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 5 Cleaning the Fans 5 Cleaning the Fans 5 1 Cleaning the Fan at the Bottom First clean the fan at the bottom of the inverter and then clean the fan on the left hand side of the enclosure Procedure 1 DANGER Danger to life due to electric shock Disconnect the inverter from all voltage sources see Section 2 2 Disconnecting the Inverter from Voltage Sources page 7 2 Wait for the fan to stop rotating 3 Remo
20. he ventilation grid is securely in place 12 Recommission the inverter see Section 12 page 38 13 Check the fans to ensure that they are working properly see Section 6 page 27 26 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 6 Checking the Function of the Fans 6 Checking the Function of the Fans You can check the function of the fans by setting a parameter The basic procedure for changing operating parameters is described in the manual of the inverter or the communication product see the operating manual of the inverter or communication product Procedure 1 Select the parameter Fan test or FanTst and set to On 2 Save settings 3 Check whether air is being drawn in through the bottom and is coming out of the upper ventilation grids and whether the fans are making any unusual noises If no air is being drawn in through the bottom no air is coming out of the ventilation grids or the fans are making unusual noises then the fans were presumably installed improperly Check whether the fans have been installed correctly If the fans were installed correctly contact Service see Section 15 page 43 4 Select the parameter Fan test or FanTst and set to Off 5 Save settings Service Manual STP15 17TL 10 SG en 10 27 7 Checking the PV System for Ground Faults SMA Solar Technology AG 7 Checking the PV System for Ground Faults IF the inverter displays the event numbers 3501 3601 or 3701 there could
21. ights reserved 2 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG Table of Contents Table of Contents 1 10 11 12 13 14 15 Information on this Document eee 4 Em 4 1 2 Target Group nennen tenentes 4 CHEN e rc 4 IP Nomenclature em 5 MISIT TI TTD 6 21 Safely eR o S 6 2 2 Disconnecting the Inverter from Voltage 7 Cleaning the Inverter iiiv eu ivo Evi Pr MERE 9 Tre blesheoln j EXE 10 IB Ens 10 42 Event 10 4 3 Error 5008650 cs esses chases tbe pe eid 11 Cleaning ad cpi Piera De 23 5 1 Cleaning ihe Fan at ihe 23 5 2 Cleaning the Fan on the Left Hand Side of the Enclosure 24 Checking the Function of the Fans esses 27 Checking the PV System for Ground Faults 28 Checking the Function of the Varistors 31 Replacing the Varistors ceres eese eeee ee enne tette enn 33 Checking the Function of the Surge Arresters 34 Replacing the Surge 2 4 36 Recommissioning the Inverter eese eerte ene 38 Decommissioning the
22. it 3 Check whether a surge arrester is defective If a green stripe is visible next to the type designation in the inspection window of the surge arrester then the surge arrester is in good condition If a red stripe is visible next to the type designation in the inspection window of the surge arrester then the surge arrester is defective SMA Solar Technology AG recommends replacing all surge arresters since the cause of the failure usually affects all surge arresters to the same extent Order new surge arresters see Section 14 Spare Parts page 42 f new surge arresters are available replace all surge arresters see Section 11 page 36 34 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 10 Checking the Function of the Surge Arresters 4 Tighten all four screws on the DC protective cover with an Allen key AF 3 in the sequence 1 to 4 torque 3 Nm 0 3 Nm 5 Recommission the inverter see Section 12 page 38 Service Manual STP15 17TL 10 SG en 10 35 11 Replacing the Surge Arrester SMA Solar Technology AG 11 Replacing the Surge Arrester IF the inverter displays the event numbers 8301 or 8302 at least one surge arrester is defective SMA Solar Technology AGrecommends replacing all surge arresters Procedure 1 DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources and open the lower enclosure lid see Section 2 2 page 7 Wait 20 minu
23. it for higher irradiation If this message is displayed frequently in the morning increase the voltage limit for starting grid feed in Change the parameter Critical voltage to start feed in If this message is displayed frequently with medium irradiation ensure that the PV array is correctly rated Service Manual STP15 17TL 10 SG en 10 15 4 Troubleshooting Event number 4001 SMA Solar Technology AG Display message cause and corrective measures String X defect gt Do not disconn ESS There is reverse current in the string displayed or the polarity of this string is re versed Further strings could also be affected The PV array is short circuited In exceptional circumstances this error message may be triggered by soiling or shading of the modules e g by leaves or snow Corrective measures e Disconnect the inverter from voltage sources when it is dark see Section 2 2 page 7 Check the design and the circuitry of the PV array e If irradiation is sufficient check whether the same voltage is present at the DC inputs 1 to A5 If the same voltage is not present one of the PV modules is possibly defective 4002 String X low power gt Check generator String failure detection has detected a failed or weak string Corrective measures Testthe string that is shown in the message 4003 String X defect gt Do not disconn 55 String failure detection has detected a failed or weak s
24. live components can lead to lethal electric shocks If you disconnect the DC connectors from the inverter under load an electric arc may occur leading to electric shock and burns Do not touch uninsulated cable ends Do not touch the DC conductors Do not touch any live components of the inverter e Have the inverter mounted installed and commissioned only by qualified persons with the appropriate skills 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 2 Disconnecting the Inverter from Voltage Sources page 7 DANGER Danger to life due to electric shock Touching an ungrounded PV module or 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 CAUTION Risk of burns due to hot enclosure parts Some parts of the enclosure can get hot during operation Do not touch any parts other than the lower enclosure lid of the inverter during operation 6 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 2 Safety NOTICE Damage to the seal of the enclosure lids in subfreezing conditions If you open the upper and lower enclosure lids in subfreezing conditions the se
25. ltages in the inverter The capacitors in the inverter take 20 minutes to discharge Wait 20 minutes before opening the upper enclosure lid Do not open the DC protective cover 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 STP15 17TL 10 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 enclosure lid the type label the display and the LEDs with a damp cloth only Service Manual STP15 17TL 10 SG en 10 9 4 Troubleshooting SMA Solar Technology AG 4 Troubleshooting 41 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 an event mes sage will be shown on the display for event messages see the service manual at www SMA Solar com flashing The conditions for feed in operation are not yet met As soon as the conditions are met the inverter will start feed in operation Red LED glowing Error If an error occurs the error message and the correspond ing event number will be shown in the display The error
26. m the utility grid Corrective measures If possible check the power frequency and observe how often fluctuations occur If fluctuations occur frequently and this message is displayed often contact the grid operator and request approval to change the operating parameters of the inverter If the grid operator gives his approval discuss any changes to the operating parameters with Service see Section 15 page 43 1302 Waiting for grid voltage gt Grid failure gt Check AC circuit breaker The AC cable is not correctly connected or the country data set is not correctly configured Corrective measures Ensure that the AC cable is correctly connected see the operating manual of the inverter Ensure that the country data set has been configured correctly Check the fuse Service Manual STP15 17TL 10 SG en 10 13 4 Troubleshooting Event 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 connect 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
27. meter via the SD memory card The inverter continues feeding power into the grid Corrective measures Check the parameters for valid values Ensure change rights via SMA Grid Guard code 7106 Update file defect Update file on the SD memory card is faulty Corrective measures Reformat the SD memory card e Resave the files to the SD memory card 7110 No update file found No update file has been found Corrective measures Copy the update file in the SD memory card folder Select the folder NUPDATE 7201 to 7202 Data stor not poss Internal error The inverter continues to feed into the utility grid Corrective measures Contact Service 7303 Update main CPU failed The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 18 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG Event number 7305 7307 Display message cause and corrective measures Update RS4851 module failed Internal error The inverter continues to feed into the utility grid Corrective measures Retry update If this message is displayed again contact Service see Section 15 page 43 Update BT failed Internal error The inverter continues to feed into the utility grid Corrective measures Retry update If this message is displayed again contact Service see Section 15 page 43 4 Troubleshooting 7309 Upd
28. must be rectified by a qualified person for troubleshoot ing see the service manual at www SMA Solar com Blue LED glowing BLUETOOTH communication is activated 4 2 Event Messages Display message Cause Self test The self test is in progress Set parameter The parameter changes are being adopted Parameters set successfully parameter changes were successfully adopted Update file OK The update file found is valid SD card is read The SD memory card is searched for update files and the update file is checked No new update SD card The SD memory card contains an update file that has already been used Update communication The inverter is performing an update of the communication compo nent Update main CPU The inverter is updating the inverter component Update RS485l module The inverter is updating the corresponding component Update Speedwire The inverter is updating the corresponding component Webconnect update The inverter is updating the corresponding component Update Bluetooth The inverter is updating the corresponding component 10 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG Display message language table 4 Troubleshooting Cause The inverter is updating the corresponding component Update display The inverter is updating the corresponding component Update String prot Update completed The inverter is updating the corr
29. nd the five short screws into the other holes 9 Securely plug in the ESS The ESS must be aligned parallel to and flush with the enclosure 12 13 CAUTION Risk of burns due to hot enclosure parts Wait 30 minutes for the enclosure to cool down Using an Allen key AF 4 unscrew the two M5x10 cylindrical screws by which the inverter is fastened to the rear panel Raise the inverter to remove it from the rear panel If the inverter is to be stored or shipped in packaging pack the inverter and if applicable the ESS Use the original packaging or packaging that is suitable for the weight and dimensions of the inverter Dispose of the inverter in accordance with the locally applicable disposal regulations for electronic waste Service Manual STP15 17TL 10 SG en 10 41 14 Spare Parts 14 Spare Parts SMA Solar Technology AG 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 TV9 tored varistors incl insertion tool Insertion tool for replacing Insertion tool for varistors SB TVWZ varistors Surge arrester type Il Type Il surge arrester for input A and input B DC_SPD_KIT_2 10 SUNCLIX DC connector Field plug for conducto
30. ology AG 9 Replacing the Varistors 9 Replacing the Varistors Proceed as follows to replace each varistor Procedure 1 DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources and open the lower enclosure lid see Section 2 2 page 7 2 Release all four screws of the DC protective cover using an Allen key AF 3 and remove the DC protective cover 3 Insert the insertion tool into the clamping contacts of the connecting terminal plate 5 Insert the new varistor into the connecting terminal plate The labeling on the varistor must face down towards the insertion tool 6 Remove the insertion tool from the clamping contacts of the connecting terminal plate 7 Recommission the inverter see Section 12 page 38 Service Manual STP15 17TL 10 SG en 10 33 10 Checking the Function of the Surge Arresters SMA Solar Technology AG 10 Checking the Function of the Surge Arresters IF the inverter displays the event numbers 8301 or 8302 at least one surge arrester is defective Check the function of each surge arrester as described in the following Procedure 1 DANGER Danger to life due to electric shock e Disconnect the inverter from all voltage sources see Section 2 2 page 7 Wait 20 minutes before removing the DC protective cover 2 Release the screws on the DC protective cover using an Allen key AF 3 lift the DC protective cover upwards from below and remove
31. r cross sections of 2 5 mm to 6 mm 5 6 5 Ventilation grid Ventilation grid set right and left as spare part 45 1089980 When ordering a new ESS always indicate the device type and serial number of the inverter 42 5 15 17 10 5 10 Service Manual SMA Solar Technology AG 15 Contact If you have technical problems with our products please contact the SMA Service Line We need the following information in order to provide you with the necessary assistance Inverter device type Inverter serial number Inverter firmware version 15 Contact Special country specific settings of the inverter if applicable Type and quantity of PV modules connected Mounting location and altitude of the inverter Inverter message Optional equipment e g communication products Operating mode of the multifunction relay if present 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 286730 gique Belgi 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 Sunny Boy Sunny Mini Central Sun Niestetal ny Tripower 49 561 9522 1499 Monitoring Systems Kommunikationspro dukte 49 561 9522 2499 Fuel Save Cont
32. r 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 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 Service see Section 15 page 43 301 Grid fault The ten minute average value of the grid voltage is no longer within the per missible range The grid voltage or grid impedance at the connection point is too high The inverter disconnects from the utility grid to maintain power qual ity Corrective measures 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
33. roller PV Diesel Hybridsys teme 49 561 9522 3199 Sunny Island Sunny Backup Hydro Boy 49 561 9522 399 Sunny Central 49 561 9522 299 Online Service www SMA de Service Espana SMA Ib rica Tecnolog a Solar SLU Barcelona Llamada gratuita en Espa a 900 14 22 22 Internacional 34 902 14 24 24 Service Manual STP15 17TL 10 SG en 10 43 15 Contact SMA Solar Technology AG France SMA France 5 5 Sunny Boy Sunny Mini Central Sunny Lyon Tripower 33 472 09 0440 Monitoring Systems 33 472 09 04 41 Sunny Island 33 472 09 04 42 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 Kumtpoc 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 Gratuito em Portugal 800 20 89 87 Unipessoal Lda Intenacional 351 212377860 Lisboa 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 12 643 1785 Centurion Pretoria United King SMA Solar UK Ltd 44 1908 304899 dom Milton Keyn
34. rter tipping forward If the inverter is to be transported and lifted with a crane remove the filler plugs on the top of the inverter and screw the eye bolts into the threads Procedure 1 DANGER Danger to life due to high voltages e Disconnect the inverter from all voltage sources see Section 2 2 page 7 2 Remove the AC cable from the inverter Press the locking levers all the way upward and pull the conductors out of the connecting terminal plate for the AC cable 3 Press down the locking levers of the connecting terminal plate for the AC cable 4 If the multi function relay or the SMA Power Control Module are used remove the connection cable from the inverter 5 If other cables e g data cables or network cables are connected remove them from the inverter 6 IF the inverter is protected against theft open the padlock and remove it 40 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 13 Decommissioning the Inverter 7 Insert the lower enclosure lid from above and Tighten all six screws with an Allen key AF 3 in fold it down The screws must protrude from the lower enclosure lid the order 1 to 6 torque 2 0 Nm 0 3 Nm tightening the screws in the prescribed order you avoid warping the enclosure lid which would keep it from sealing correctly Useful hint If the screws fall out of the lower enclosure lid insert the long screw into the lower middle hole a
35. stance of the PV system or of an individual string can be calculated using the following formula 1 1 1 1 R2 The exact insulation resistance of a PV module can be obtained from the module manvfacturer or the datasheet For the resistance of a PV module an average value be assumed for thin film PV modules approximately 40 MOhm and for polycrystalline and monocrystalline PV modules approximately 50 MOhm per PV module for further information on calculating the insulation resistance see the Technical Information Insulation Resistance Riso of Non Galvanically Isolated PV Systems at www SMA Solar com Required devices O Suitable device for safe disconnection and short circuiting O Measuring device for insulation resistance i Device required for safe disconnection and short circuiting of the PV array The insulation resistance can only be measured with a suitable device for safe disconnection and short ircuiting of the PV array If no suitable device is available the insulation measurement must not be carried out Procedure 1 Calculate the expected insulation resistance per string 2 DANGER Danger to life due to high voltages Disconnect the inverter from all voltage sources see Section 2 2 page 7 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
36. tes before removing the DC protective cover 2 Release all four screws of the DC protective cover using an Allen key AF 3 and remove the DC protective cover 3 Pull all surge arresters out of the slots To do so squeeze the grooved areas on the left and right sides of the surge arrester 4 Insert new surge arresters The surge arrester marked PE 500 must be inserted in the bottom slot The inspection window on the surge arrester must face to the right e If input A and input B were secured with surge arresters insert a new surge arrester into each slot The inspection window on each surge arrester must face to the right 36 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 11 Replacing the Surge Arrester f only input A was secured with a surge arrester insert both new surge arresters into the two upper slots The inspection window on each surge arrester must face to the right 6 Tighten all four screws on the DC protective cover with an Allen key AF 3 in the sequence 1 to 4 torque 3 Nm 0 3 Nm 7 Recommission the inverter see Section 12 page 38 STP15 17TL 10 SG en 10 37 Service Manual 12 Recommissioning the Inverter SMA Solar Technology AG 12 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 inverter must be correctly mo
37. tuation which if not avoided can result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided can result in minor or moderate injury NOTICE Indicates a situation which if not avoided can result in property damage i Information that is important for a specific topic or goal but is not safety relevant Indicates a requirement for meeting a specific goal Desired result A problem that might occur 4 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 1 4 Nomenclature Complete designation Sunny Tripower 1 Information on this Document Designation in this document Inverter product Electronic Solar Switch ESS SMA BLUETOOTH Wireless Technology BLUETOOTH Service Manual STP15 17TL 10 SG en 10 5 2 Safety SMA Solar Technology AG 2 Safety 21 Safety Information This section contains safety information 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 observe all safety information at all times 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
38. ubstring Corrective measures e Disconnect the inverter from all voltage sources see Section 2 2 page 7 Check the design and the circuitry of the PV array If irradiation is sufficient check whether the same voltage is present at the DC inputs Al to A5 If the same voltage is not present one of the PV modules is possibly defective 4005 Part str X low p gt Check generator String failure detection has detected a failed or weak substring Corrective measures Test the substring indicated in the message 6001 to 6445 Self diagnosis gt Interference device The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 16 5 15 17 10 5 10 Service Manual SMA Solar Technology AG 4 Troubleshooting Event number 6313 Display message cause and corrective measures Interference device The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 6429 to 6439 Interference device The cause must be determined by the Service Corrective measures Contact Service see Section 15 page 43 6501 to 6502 Self diagnosis Overtemperature The inverter has switched off due to excessive temperature Corrective measures Clean the cooling fins on the rear of the enclosure and the air ducts on the top using a soft brush Ensure that the inverter has sufficient ventilation 6603 to
39. unted L1 The circuit breaker must be correctly rated Procedure 1 Connect the DC connectors to the inverter 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 Insert the lower enclosure lid from above and fold it down The screws must protrude from the lower enclosure lid 5 Tighten all six screws with an Allen key AF 3 in the order 1 to 6 torque 2 0 Nm 0 3 Nm tightening the screws in the prescribed order you avoid warping the enclosure lid which would keep it from sealing correctly Useful hint If the screws fall out of the lower enclosure lid insert the long screw into the lower middle hole and the five short screws into the other holes 6 If the ESS is used check it for signs of wear Check the metal mounting tabs inside the ESS for discoloration or damage If the metal mounting tabs show brown discoloration or are damaged order a new ESS from SMA Solar Technology AG and have the ESS replaced If the metal mounting tabs show no brown discoloration or damage the ESS is not worn and can still be used 7 Securely plug in the ESS The ESS must be aligned parallel to and flush with the enclosure 38 STP15 17TL 10 SG en 10 Service Manual SMA Solar Technology AG 12 Recommissioning the Inverter Roo Switch on the circuit breaker of all three line conductors IF the
40. ve the fan guard and clean it Usea screwdriver to push the two locking tabs at the righ hand edge of the fan guard to the right hand side and remove them from the retainer Carefully remove the fan guard Clean the fan guard with a soft brush a paint brush a cloth or compressed air 4 Press the locking tabs on the fan toward the center of the fan 5 Carefully remove the fan from the inverter 6 Release and remove the fan plug Service Manual STP15 17TL 10 SG en 10 23 5 Cleaning the Fans SMA Solar Technology AG 7 NOTICE Damage to the fan due to compressed air Clean the fan only with a soft brush a paint brush or a damp cloth 8 After cleaning insert the fan plug back into the pin connector until it snaps into place 9 Insert the fan into the inverter until it snaps into place 10 Push the fan guard into the retainer until it snaps into place 11 Clean the fan on the left hand side of the enclosure see Section 5 2 Cleaning the Fan on the Left Hand Side of the Enclosure page 24 5 2 Cleaning the Fan on the Left Hand Side of the Enclosure 1 DANGER Danger to life due to electric shock Ensure that the inverter is disconnected from all voltage sources see Section 2 2 Disconnecting the Inverter from Voltage Sources page 7 2 Remove the ventilation grids on the left hand and right hand sides and clean them Turn the rotary fastener of the ventilation
41. y does not show an error message remove the ESS 4 Wait until the LEDs and the display have gone out 5 Remove all six screws from the lower enclosure lid using an Allen key AF 3 Service Manual STP15 17TL 10 SG en 10 7 2 Safety SMA Solar Technology AG 6 Z 11 12 Flip the lower enclosure lid up and remove it CAUTION Risk of burns when touching the DC protective cover The DC protective cover can get hot during operation Do not touch the DC protective cover 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 the test probe into each round opening of the terminal 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 the test probe into each round opening of the terminal 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 Use a current clamp to ensure that no current is present in the DC cables Release and remove all DC connectors To do this insert fla blade screwdriver or an angled screwdriver blade width 3 5 into one of the side slots and pull the DC connectors straight out Do not pull on the cable DANGER Danger to life due to high vo
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