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[Solved] Understanding OTUS3 Meter by Apator: Reading Grid Energy Data & Troubleshooting Issues

piotrrs 69234 12
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  • #1 18625000
    piotrrs
    Level 7  
    Posts: 11
    Rate: 15
    Board Language: polish
    Good morning everyone.

    Recently I am the owner of a micro photovoltaic installation and at this strange time I wanted to learn something about my OTUS3 meter by Apator.
    I cannot read data on energy fed into the grid. I hope that I can't, and not that something is wrongly configured or connected.
    From the modest instructions provided by Masovian PGE under codes 2.8, I still have one value of 0.6 kWh and it has not changed for weeks. Holding the scroll button does nothing either. One of the two, because unlike the instructions on my computer, there are two buttons for scrolling. I wrote to the Customer Service Center and to other e-mail addresses and the only thing I was able to receive was an instruction that did not contribute anything. An inaccurate manual that doesn't describe my meter ...
    I have a request for advice from those who know the operation of this counter. Maybe some of the honorable forum members have such a counter and at the same time have some experience with it? Please help.
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  • #3 18625670
    piotrrs
    Level 7  
    Posts: 11
    Rate: 15
    Board Language: polish
    Thank you for your response.
    I know this page, the information is consistent with the manual and the markings on the housing. Still, the only thing I can read is the value of 0.6 kWh ... I have no contact with PGE, I have information from BOK that it is subject to the local district authorities and no one answers the phone and they stopped replying to e-mails. I allow it to be on today's situation ...
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  • #4 18629684
    PUH_HESTA
    Level 13  
    Posts: 62
    Help: 5
    Rate: 36
    Board Language: polish
    Most likely you just didn't give anything to the network if it's 0.6kWh under 2.8.0.
    Under 2.6.0 how much does the maximum show?
  • #5 18630389
    piotrrs
    Level 7  
    Posts: 11
    Rate: 15
    Board Language: polish
    Under 2.6.0 it is "equal" to zero. At this point, the photovoltaic installation reports production at the level of 2.7kW and the house has a refrigerator and two laptops turned on, the rest are on stand-by. I do not want to believe that something may be wrongly connected ...
  • #6 18631381
    PUH_HESTA
    Level 13  
    Posts: 62
    Help: 5
    Rate: 36
    Board Language: polish
    The easiest way is to check the power consumption (and power under 1.8) and what is produced by the PV installation during even sunlight, then disconnect the PV and then see the indications as well.
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  • #7 18631438
    edziu
    Level 29  
    Posts: 1866
    Help: 47
    Rate: 180
    Board Language: polish
    What are your photovoltaic installations connected to?
    for distribution boxes at home or for the meter?
    single-family house or semi-detached house?
    and will you turn off the main power supply of the house during production, is there production on the inverter or does it turn off?
  • #8 18655699
    piotrrs
    Level 7  
    Posts: 11
    Rate: 15
    Board Language: polish
    It took quite a long time to arrange PGE and the installers, but yesterday the matter was finally clarified and corrected.
    The team connected the output from the inverters to the meter. All generated electricity was sent directly to the grid, bypassing the meter ... failure ...
  • #9 18657237
    PUH_HESTA
    Level 13  
    Posts: 62
    Help: 5
    Rate: 36
    Board Language: polish
    piotrrs wrote:
    The team connected the output from the inverters to the meter. All generated electricity was sent directly to the grid, bypassing the meter ... failure ...
    And there will be a lot of such "teams" ...

    In this meter, the LEDs from kWh are deeply planted and not separated, and the manufacturer does not provide access to the USB host - which could improve diagnostics ...
  • #10 18657864
    edziu
    Level 29  
    Posts: 1866
    Help: 47
    Rate: 180
    Board Language: polish
    piotrrs wrote:

    The team connected the output from the inverters to the meter.


    I wonder how many clients they connected ...
  • #11 18657925
    Slawek K.
    Level 35  
    Posts: 3015
    Help: 259
    Rate: 1297
    Board Language: polish
    piotrrs wrote:
    It took quite a long time to arrange PGE and the installers, but yesterday the matter was finally clarified and corrected.
    The team connected the output from the inverters to the meter. All generated electricity was sent directly to the grid, bypassing the meter ... failure ...

    I wonder how they did it because in general, access to the wires sitting in front of the meter should not be possible and must be sealed. This can lead to large penalties for you as it is considered "theft of electricity", and no matter who did it, the owner is always responsible.

    Greetings
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  • #12 18657973
    Topolski Mirosław
    Moderator of Electrical engineering  
    Posts: 7125
    Help: 354
    Rate: 1602
    Board Language: polish
    Slawek K. wrote:
    as this is treated as "theft of electricity" and no matter who did it, the owner is always responsible.

    All paperwork from the power plant is handled by the company that sets up the photovoltaic installation, so the owner is not responsible for it, unless in this case it was otherwise.
  • #13 18821716
    piotrrs
    Level 7  
    Posts: 11
    Rate: 15
    Board Language: polish
    Good day.
    I will try to collect everything in one message as a summary for closing the thread.

    I signed a contract with a company that was recommended to me and made a good impression. A comprehensive contract from the valuation through assembly to the submission of documentation for a subsidy. I did not want to control the process in any way, because my professional work and raising two children takes me a long time.

    The installer without hesitation connected in front of the meter "because the box with the main fuses (in front of the meter) was open" and decided that these were fuses behind the meter. Yes, it makes no sense to translate it. The box could be opened without breaking the seal, a question of a faulty closure. Unless no one from the utility company noticed the problem with the door earlier, it saved the case from punishment. A punishment that deserved without discussion.

    The experiences from this year show me that in my beautiful country, if you want to do something well, learn and do it yourself. And if you are very brave and hire someone to work, watch their every step. I remind you that a day is only 24 hours long.

    This year I am gaining new "genius skills" as an electrician, tiler, floor planter and, of course, a teacher specializing in remote work. I am already looking forward to the second half of 2020. I keep wondering how others choose people and companies to work and find decent contractors ... I can't. Let me just mention that I signed contracts for the performance of the above-mentioned works in 2019 ...

    Patience
    best regards
    Thank you
    Hi!
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Topic summary

✨ The discussion revolves around troubleshooting the OTUS3 meter by Apator, particularly in the context of a micro photovoltaic installation. The user reports an unchanging reading of 0.6 kWh for energy fed into the grid, raising concerns about potential misconfiguration or connection issues. Responses suggest checking power consumption and production values, as well as verifying the connection of the photovoltaic system to the meter. It was later revealed that the installation team had incorrectly connected the output from the inverters directly to the grid, bypassing the meter entirely. This misconfiguration could have led to significant penalties for the user, although the installer managed to avoid repercussions due to a faulty seal on the utility box. The discussion highlights the importance of proper installation and communication with utility providers.
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FAQ

TL;DR: OTUS3 export stuck? If 2.8.0 shows 0.6 kWh, "you just didn't give anything to the network"—or wiring is wrong. To check, compare 1.8/2.8, PV output, and use a brief PV disconnect test. [Elektroda, PUH_HESTA, post #18629684]

Why it matters: This FAQ helps Apator OTUS3 owners and PV prosumers read export data and troubleshoot wiring or configuration issues fast.

Quick Facts

How do I read exported energy on an Apator OTUS3?

Use the OBIS code list. Exported energy total appears under 2.8.0 on bidirectional meters. Cycle the display using the scroll buttons until 2.8.0 shows. If tariffs are used, additional export registers may exist. Record start and end values to compute export. [“Kody licznika dwukierunkowej”]

What if 2.8.0 stays at 0.6 kWh for weeks?

That often means you have not exported energy. One expert noted, "you just didn't give anything to the network." Confirm by checking other registers and your inverter output. If loads are low during high production but 2.8.0 does not change, investigate wiring. [Elektroda, PUH_HESTA, post #18629684]

How do I quickly verify whether I’m exporting correctly?

Do this controlled three-step check during steady sunlight.
  1. Note 1.8 import indication and your inverter’s live production.
  2. Briefly disconnect the PV at the isolator or inverter switch.
  3. Recheck 1.8 and 2.8. "The easiest way is to check the power consumption… then disconnect the PV." [Elektroda, PUH_HESTA, post #18631381]

What does code 2.6.0 show on this meter?

Users reference 2.6.0 as a "maximum" register. If it reads zero, a maximum may not be recorded yet. Or the register is unused in your configuration. Check 2.8.0 first for export totals, then your DSO’s list. [Elektroda, PUH_HESTA, post #18629684]

Could a miswired PV system send energy straight to the grid, bypassing the meter?

Yes. In the thread case, the inverter output was connected before the meter. All generated energy flowed to the grid and never incremented 2.8.0. The utility and installer corrected the wiring after coordination. Watch for lack of export accumulation when production is high. [Elektroda, piotrrs, post #18655699]

How can I detect that kind of bypass without opening sealed enclosures?

Observe behavior during production. Turn off the home’s main supply and watch the inverter status. Note whether production stops or displays a grid error. This field check helps locate where the PV ties in relative to the meter. Do not break seals. [Elektroda, edziu, post #18631438]

Who is liable if PV is tied in before the meter?

One contributor warned, "this is treated as theft of electricity," with penalties. He also said the owner is responsible. Contracts may assign paperwork to the installer, but verify obligations. Keep records and notify the DSO promptly if you discover miswiring. [Elektroda, Slawek K., post #18657925]

My meter shows two scroll buttons and long-press does nothing. Normal?

Yes, configurations differ by utility. Some registers are locked. One user reported two buttons and that holding the scroll did nothing. Read-only access is common on utility meters. Cycle with short presses to reach 2.8.0. [Elektroda, piotrrs, post #18625000]

Why are LED pulse tests unreliable on the OTUS3?

The kWh LEDs sit deep and are not clearly separated. Another limitation is the lack of a USB host for diagnostics. Use OBIS readings or inverter data instead of pulse counting. [Elektroda, PUH_HESTA, post #18657237]

What simple data should I log to resolve disputes with the installer or DSO?

Log daily start and end of 1.8.x and 2.8.x. Take inverter screenshots during steady sun. Record dates, times, and photos of seals. In the thread, coordination between PGE and the installer led to a fix. [Elektroda, piotrrs, post #18655699]

During midday I saw 2.7 kW production and only small loads. What next?

With 2.7 kW production and just a fridge and laptops on, expect export. If 2.8.0 does not increase, escalate with your installer and DSO. Share readings and photos. This scenario matched the thread’s early symptoms before wiring was corrected. [Elektroda, piotrrs, post #18630389]

Any takeaways for supervising installation work?

The summary notes the installer tied in at an open pre‑meter fuse box. The door opened without breaking a seal. Supervise critical connections and verify closure integrity with your DSO. Document everything during commissioning. [Elektroda, piotrrs, post #18821716]

Where can I find a code list for my bidirectional meter?

Use a bidirectional meter code guide. It explains standard OBIS entries, including 1.8.x and 2.8.x for totals. Keep it handy during diagnostics. [“Kody licznika dwukierunkowej”]
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