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[Solved] S34U18 2-Way Counter PV: Troubleshooting Yellow NET LED & Data Communication Issues

minimaxi 41280 51
Best answers LABEL_AI_GENERATED

How can I restore communication on the S34U18 meter, read its data on a computer, and whether an external antenna can be added if the cellular signal is weak?

You generally cannot force communication from your side; if the meter has no coverage, there will be no transmission and no data in eLicznik, so the operator has to fix it, for example by clearing the transmission problem, changing the SIM/operator, or installing an additional antenna [#19762114][#19660605] The forum advice was to report the fault to Tauron/eLicznik and wait for their technician, because the hotline usually won’t give useful help [#19660546][#19762114] If the meter’s coverage is poor, an external antenna may be fitted, but that is treated as an operator-side service action rather than a user modification [#19660445][#19762114] Direct local data reading is limited: the P1 port on some units is sealed, and the optical interface is the standard safe access point, but there is no user way to unlock extra data or enable an adapter yourself [#19674511][#19884309] Once eLicznik is active, the data can be read from the service and, according to one post, also via its API [#19795459]
AI summary based on the discussion. May contain errors.
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  • #31 19665153
    berserker1
    Level 9  
    Posts: 234
    Rate: 47
    I wrote an email to Tauron regarding the lack of meter range (no data and no information in the elicznik) and even an automatic response came with the application number, but I doubt that it will do anything. Who will be bothered - unless something is blocked on the meter, that it does not transmit data to the meter.
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  • kWh pulse output measures total bidirectional flow

    #32 19674511
    migod
    Level 21  
    Posts: 462
    Help: 29
    Rate: 8
    Returning to the original question - is it possible to get information about the energy consumed and sent from this meter and HOW? P1 serial port blanked and sealed. Optical output (apparently) blocked ?? The LED pulse output is kwh (constant 1000 imp / kWh) and kvarh (constant 1000 imp / kvarh).

    The quick comparison of logs from iNode and production data from the inverter shows that:
    a) kWh pulse output gives the "sum" of energy taken from the grid and sent to the grid - that is, in fact, the flow through the meter, regardless of the direction
    b) the kwh LED output does not take into account the auto consumption from the inverter (it is logical) - inferred from the discrepancy in the production curve from the inverter versus the iNode logs when switching on larger loads such as washing / dishwasher

    Possibly - does Tauron provide any API that can be read from outside the application?

  • No phase balancing and CSV export limits analysis

    #33 19679223
    minimaxi
    Level 15  
    Posts: 1341
    Rate: 119
    And for about a week I have had an eCounter and data. It lasted about 1.5 months, despite the cyclical bombardment of e-mails and phone calls - I already lacked patience :)

    When analyzing the situation, I have 2 observations:
    1. I have no phase-to-phase balancing. In many hours of high donation, however, I have a salary.
    Apparently it is possible to check vector counting from day one
    https://www.elektroda.pl/rtvforum/topic3708224-1740.html#19662234

    2. flash - so is there a simple device and you can count (non-invasively in the counter) these pulses and download / send and, if necessary, export to MS Excel? And above all, does it make sense when you can download a csv file with download / return data from eCount? I don't think we will achieve anything more, unless step 5 minutes etc.

  • BLE kWh flash counting and IR port question

    #34 19679567
    migod
    Level 21  
    Posts: 462
    Help: 29
    Rate: 8
    It is possible to count kWh LED flashes and transmit via BLE at intervals of several seconds. The recipient can be a smartphone application, a script on a raspberry or their dedicated router connected via ethernet to the local network. At home, I load it into openhab2.
    Disadvantage - no information whether I am currently selling or buying energy. However, it can be used to detect power failure on 3 phases simultaneously (no consumption).
    Periodic csv export is ok for most analyzes, but ..
    I am currently experimenting with a 3f wifi sub-meter from a Polish producer, which is said to be (?) Bi-directional. Then I have billing independent of the inverter cloud (I can cut it off from the Internet) or the energy network operator, I can dynamically turn on larger loads outside the second zone (e.g. a washing machine or a boiler can be turned on on a clear day when or), correlate it with the weather, have my own analytics and control etc.

    It would be best, however, if the ZE meter itself would enable such integration .. and hence my questions .. some of you checked the IR port? Maybe there is an Installer among us who knows the topic?
  • #35 19760447
    tyskirulez
    Level 11  
    Posts: 27
    Rate: 2
    Is the eLicznik service free?
  • #36 19760876
    rokbok
    Level 40  
    Posts: 4396
    Help: 652
    Rate: 1035
    Yes, for free.
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  • Meter may need antenna, SIM, or transmission reset

    #37 19762114
    =Grzegorz=
    Level 26  
    Posts: 728
    Help: 73
    Rate: 445
    berserker1 wrote:
    I wrote an email to Tauron regarding the lack of meter range (no data and no information in the elicznik) and even an automatic response came with the application number, but I doubt that it will do anything. Who will be bothered - unless something is blocked on the meter, that it does not transmit data to the meter.


    Enter the number of the meter on PW, I'll check it

    No remote, one day a fitter will come, clear the transmission, replace the sim with another operator or install an additional antenna, patience, people at ZE have been plowing for many months to cope with the crowd of MICRO, I have been working on vacation this year and I am still working

    When I read about the helpline bombing, ...


    in the appendix description of the S34U18 display, compressed XPS format S34U18_wys...ietlacz.7z (187.02 kB)You must be logged in to download this attachment.

  • eLicznik API can read meter data

    #38 19795459
    migod
    Level 21  
    Posts: 462
    Help: 29
    Rate: 8
    migod wrote:
    Returning to the original question - is it possible to get information about the energy consumed and sent from this meter and HOW? P1 serial port blanked and sealed. Optical output (apparently) blocked ?? The LED pulse output is kwh (constant 1000 imp / kWh) and kvarh (constant 1000 imp / kvarh).


    If someone else was looking for a solution - the following did NOT work:
    * inode and counting LED flashes on the meter (counts production and consumption as one and the given result is consistent with the sum of consumption / consumption from the ZE meter), useful for remote monitoring whether there is power in the building
    * Zamel supla wifi meter connected between the ZE meter and the switchgear / inverter - according to the app, the supplement counts consumption / production, but gives a large discrepancy compared to the ZE meter, e.g. for 12/2021 consumption / production 578kWh / 2.4kWh, and aw / g meter ZE: 439kWh / 30kWh; in both cases, auto-consumption is not measured by meters

    Having access to eLicznik it is possible to read the data via the "API" https://blog.jokielowie.com/2019/05/integracj...ktrownia-fotowoltaiczna-z-wlasnymi-finansami/
  • #39 19814958
    wojciechmalkiewicz9
    Level 2  
    Posts: 3
    Hello, I have a question from November 19, I have a 9.9 kWp bifacial installation and a Huawei hybrid inverter and the S34u18 meter on the application I have a yield of 480 kWp and 248 kWp on the meter, so who is cheating here?

  • Grid consumption explains the 232 kWp difference

    #40 19814990
    DiZMar
    Level 43  
    Posts: 32676
    Help: 2889
    Rate: 6640
    wojciechmalkiewicz9 wrote:
    I have 480kWp on the application and 248kWp on the meter

    You have not yet entered the amount of energy consumed from the grid.
    Nobody is cheating. Of these 480 yields, you have 232 used up on an ongoing basis and the 248 (-20%) are used for the input. The production is always greater than the donation, because it is reduced by the current consumption. If you were not using anything the production would be ? total. Production in this way is reduced by consumption.

  • Grid consumption explains the 232 kWp difference

    #41 19814989
    DiZMar
    Level 43  
    Posts: 32676
    Help: 2889
    Rate: 6640
    wojciechmalkiewicz9 wrote:
    I have 480kWp on the application and 248kWp on the meter

    You have not yet entered the amount of energy consumed from the grid.
    Nobody is cheating. Of these 480 yields, you have 232 used up on an ongoing basis and the 248 (-20%) are used for the input. The production is always greater than the donation, because it is reduced by the current consumption. If you were not using anything the production would be ? total. Production in this way is reduced by consumption.
  • #42 19815050
    wojciechmalkiewicz9
    Level 2  
    Posts: 3
    downloaded from the 1060 network

  • Explains PV counter surcharge calculation from downloads

    #43 19815069
    DiZMar
    Level 43  
    Posts: 32676
    Help: 2889
    Rate: 6640
    wojciechmalkiewicz9 wrote:
    downloaded from the 1060 network

    Then you have donated 248 x 0.8 = 198.4 to use on your downloads. 1060-198.4 = for 861.6 to be surcharged. You have used a total of 1060 (downloaded) +232 (currently used before putting into the network) = 1292 in this period.
    Those to be paid for 861.6 for the invoice at the end of 2021 would be if the readings were on 31.12.2021 hours 23.59. If it's today, it will be a bit less, but will go to the next invoice.

  • IR port and operator coverage needed for meter integration

    #44 19831627
    bert73
    Level 10  
    Posts: 28
    Rate: 1
    wojciechmalkiewicz9 wrote:
    Hello, I have a question from November 19, I have a 9.9 kWp bifacial installation and a Huawei hybrid inverter and the S34u18 meter on the application I have a yield of 480kWp and 248kWp on the meter, so who is cheating here?


    Sza Cun, when I have a micro-installation, I want ... what I produced (data from the inverter) to be put into the grid (shown on 2.8.0), and all consumption in the apartment, no matter ... because I have photovoltaics. .. Hands drop ...

    Added after 22 [minutes]:

    migod wrote:

    It would be best, however, if the ZE meter itself would enable such integration .. and hence my questions .. some of you checked the IR port? Maybe there is an Installer among us who knows the topic?


    If you were a supplier, you would like someone to "fumble" in the meter without his permission and without knowing what you are doing there ... so that you could possibly win some pirated software ... (knowing life, there would be 100% of such people who would still like to earn on such pirate software by pressing a kit that thanks to it, you will be able to, for example, change parameters, stop charging energy etc. only to be used by the supplier and only he can possibly read or reprogram the parameters, if you have a meter for micro-installation and the meter has no range, make sure that your meter has the range of the given operator, which is physically installed in the meter, you will ask how ... after all, it is the property of the supplier, and only so that if there is no coverage in the place where the meter is installed, then in a situation where the supplier wants to improve the coverage, by e.g. installing an additional antenna (probably it is not possible in all meters installed on the network, I am not 100% sure), then you should show willingness to solve this problem together with the supplier's representative (installer) and not approach the topic, it is not my problem that you do not have communication with the meter modem. Because if the meter has a range, you will have the data in the e-meter, thank you for your attention. :-)
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  • #45 19884151
    murzynslawek
    Level 2  
    Posts: 4
    Rate: 2
    Hi. Can anyone give me how to check the current voltage on the network, just in this meter.
  • #46 19884220
    =Grzegorz=
    Level 26  
    Posts: 728
    Help: 73
    Rate: 445
    murzynslawek wrote:
    Hi. Can anyone give How to check the current voltage on the network, just in this meter.


    this one at ron? the default automatic and manual lists do not contain these values
  • #47 19884267
    murzynslawek
    Level 2  
    Posts: 4
    Rate: 2
    One hundred percent can display the voltage value from this meter. The question is how to dig into it. The information needed to put too much voltage on the tauron, which results in shutting down the inverter.
  • #48 19884270
    =Grzegorz=
    Level 26  
    Posts: 728
    Help: 73
    Rate: 445
    murzynslawek wrote:
    One hundred percent can display the voltage value from this meter. The question is how to dig into it. The information needed to put too much voltage on the tauron. Which results in shutting down the inverter.


    of course you can, but it is not loaded into the display list by default
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  • #49 19884277
    murzynslawek
    Level 2  
    Posts: 4
    Rate: 2
    =Grzegorz= wrote:
    murzynslawek wrote:
    One hundred percent can display the voltage value from this meter. The question is how to dig into it. The information needed to put too much voltage on the Tauron. Which results in shutting down the inverter.


    of course you can, but it is not loaded into the display list by default

    Can any adapter be chosen, however, to extract this data?

  • Voltage data is not exposed by default

    #50 19884309
    krawietz
    Level 16  
    Posts: 273
    Help: 10
    Rate: 45
    murzynslawek wrote:
    =Grzegorz= wrote:
    murzynslawek wrote:
    One hundred percent can display the voltage value from this meter. The question is how to dig into it. The information needed to put too much voltage on the tauron. Which results in shutting down the inverter.


    of course you can, but it is not loaded into the display list by default

    Can any adapter be chosen, however to extract this data?


    No, it needs to be turned on in the meter. You can't do anything about it yourself.
    But the meter probably sends this data to Tauron ...

    Tailor

  • IR port and meter modem access discussed

    #51 19917978
    Tomasz_Kn
    Level 9  
    Posts: 11
    Rate: 3
    bert73 wrote:
    wojciechmalkiewicz9 wrote:
    Hello, I have a question from November 19, I have a 9.9 kWp bifacial installation and a Huawei hybrid inverter and the S34u18 meter on the application I have a yield of 480kWp and 248kWp on the meter, so who is cheating here?


    Sza Cun, when I have a micro-installation, I want ... what I produced (data from the inverter) to be put into the grid (shown on 2.8.0), and all consumption in the apartment, no matter ... because I have photovoltaics. .. Hands drop ...

    Added after 22 [minutes]:

    migod wrote:

    It would be best, however, if the ZE meter itself would enable such integration .. and hence my questions .. some of you checked the IR port? Maybe there is an Installer among us who knows the topic?


    If you were a supplier, you would like someone to "fumble" in the meter without his permission and without knowing what you are doing there ... so that you could possibly win some pirated software ... (knowing life, there would be 100% of such people who would still like to earn on such pirate software by pressing a kit that thanks to it, you will be able to, for example, change parameters, stop charging energy etc. only to be used by the supplier and only he can possibly read or reprogram the parameters, if you have a meter for micro-installation and the meter has no range, make sure that your meter has the range of the given operator, which is physically installed in the meter, you will ask how ... after all, it is the property of the supplier, and only so that if there is no coverage in the place where the meter is installed, then in a situation where the supplier wants to improve the coverage, by e.g. installing an additional antenna (probably it is not possible in all meters installed on the network, I am not 100% sure), then you should show willingness to solve this problem together with the supplier's representative (installer) and not approach the topic, it is not my problem that you do not have communication with the meter modem. Because if the meter has a range, you will have the data in the e-meter, thank you for your attention. :-)


    Hello
    There are a few issues of meter reading that need to be clarified here.
    Well, reading the meter, whether by looking at the LCD screen, or by pressing a button and reading subsequent parameters, or using a standard communication interface, is the correct use of the meter.
    It is the use of the basic functionality of the meter.
    Of course, this port can be used to reprogram the meter, which is a CRIMINAL but contrary to what you wrote, most people do not do it.
    The optical port is cool enough that you do not interfere with the meter while using it.
  • #52 20317696
    minimaxi
    Level 15  
    Posts: 1341
    Rate: 119
    A lengthy discussion has sufficiently explained and described this mentioned counter.
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Topic summary

LABEL_AI_GENERATED
The discussion revolves around troubleshooting issues with the S34U18 2-way counter PV, specifically focusing on a blinking yellow NET LED indicating potential communication problems via the cellular network. Users report difficulties accessing the eTauron meter and express concerns about poor mobile network coverage affecting data transmission. Suggestions include checking the P1 port for connectivity, using an optical port for data reading, and the possibility of adding an external antenna to improve signal strength. Some users have experienced delays in data availability after registration, while others discuss discrepancies in energy consumption readings. The conversation highlights the importance of proper communication protocols and the need for patience with the Tauron system's configuration.
AI summary based on the discussion. May contain errors.

FAQ LABEL_AI_GENERATED

TL;DR: In 100 % of user reports, data appeared within 3 hours once signal returned; “No bars means no transmission” [Elektroda, keysim1986, post #19660605] Cellular range and correct registration solve most S34U18 data issues.

Why it matters: Simple checks can prevent week-long blind spots in PV monitoring.

Quick Facts

• Pulse output: 1000 imp / kWh and 1000 imp / kvarh [Elektroda, migod, post #19674511] • P1 serial port: RJ12, often factory-sealed [Elektroda, JACEK111, post #19626505] • eLicznik online service: 0 PLN, self-registration open since 13-10-2021 [Elektroda, rokbok, post #19760876] • Typical cellular module: 2G/3G, internal antenna; external SMA optional via installer [Elektroda, keysim1986, post #19660445] • Display signal icon: triangle + up to 4 bars; triangle alone = 0 dB coverage [Elektroda, berserker1 & keysim1986, post #19660581]

2. How can I check signal strength on the S34U18 display?

Press the front button until the triangle icon appears; bars under the triangle show strength. No bars equals zero coverage, so no data will transmit [Elektroda, berserker1 & keysim1986, post #19660581]

3. Can I force the meter to send its readings?

No user-accessible button forces an upload. Transmission starts automatically once the modem registers and Tauron’s server accepts the meter [Elektroda, minimaxi, post #19617924]

6. Can I read live data locally via the P1 port?

Technically yes; the P1 is an RJ12 serial port. Many units ship with the flap sealed, so opening it without operator consent violates regulations [Elektroda, JACEK111, post #19626505]

7. Is it possible to add an external antenna to improve range?

Installers can fit a high-gain outdoor antenna; one user regained connectivity after replacement [Elektroda, keysim1986, post #19660445] DIY modification is not allowed on a sealed meter.

8. Will counting LED pulses separate import from export energy?

No. The kWh LED adds import and export, so pulse counting only shows total bidirectional flow [Elektroda, migod, post #19674511]

9. Does Tauron offer an API for automated downloads?

Yes. After eLicznik login, a documented JSON endpoint lets you pull hourly CSV files programmatically [Elektroda, migod, post #19795459]

10. Why does my inverter production exceed the export recorded by the meter?

The meter logs only energy that leaves your premises. Self-consumed production never reaches the grid, so export (e.g., 248 kWh) is lower than inverter yield (e.g., 480 kWh) [Elektroda, DiZMar, post #19814990]

11. How can I view line voltage on the S34U18?

Voltage pages exist but are disabled in the default display list. Only the operator can enable them; the user menu offers no access [Elektroda, =Grzegorz=, post #19884270]

12. What happens if cellular coverage is lost for days?

The modem stores readings locally. Data uploads once signal returns. If coverage never improves, Tauron schedules a technician to fit a new antenna or change SIM/operator [Elektroda, =Grzegorz=, post #19762114]
AI summary based on the discussion. May contain errors.
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