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Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights

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How do I fix E133 (no flame during safety time) on a Brotje WBS2 22 boiler that starts briefly after service and then stops completely?

E133 means the boiler is not detecting a flame within the safety time, so the first things to check are the ignition/ionization electrodes and their position/connection, and on many WBS/WBS2 boards the C209 capacitor because a bad 150 nF X2 capacitor can cause intermittent ignition failure [#11935407] [#11935493] [#14066545] If the board is the newer version and the capacitor has already been corrected, the next strong suspect is a dirty exchanger/burner path or blocked air supply: one user fixed the same symptom only after thoroughly cleaning the exchanger, because contamination can leave too little air for flame formation, especially when the fan slows down during modulation [#17558144] [#17558536] Also check the condensate drain and siphon, because a clog can flood the air supply and trigger the same E133 behavior [#18205716] [#21354465] If the flame appears but the controller still shows no ionization current, verify the electrode condition, grounding, and compare the diagnostic ionization-current reading with a meter reading [#17858501] [#17859224] [#18973835]
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  • #1 11932498
    15rad
    Level 2  
    Posts: 3
    Rate: 52
    I have a Broetje WBS2 22 boiler, serviced. The stove is fresh after the review, cleaned. It stopped working, first it showed error 133, after deleting it, it surprised for 2 hours. Then he collapsed completely.
    The service technician does not know what is.
    Can anyone help?
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  • #2 11932617
    wawrzeczko_t
    Heating systems specialist  
    Posts: 2334
    Help: 199
    Rate: 1031
    What does it mean that he has fallen? No error, nothing on the display ...?
  • #3 11934553
    15rad
    Level 2  
    Posts: 3
    Rate: 52
    The display shows E133, after the boiler is turned on, it "humms" for a moment, and then this signal appears on the display. There is nothing to do or what, switching to day, night or car mode does not give anything. the boiler was cleaned by the service 4 days ago, it worked properly for 2 hours. Earlier (before this review) he also showed e105 first and then e133.
  • #4 11935407
    zybie
    Level 30  
    Posts: 1207
    Help: 133
    Rate: 753
    E 133 no flame during safety time.
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  • #5 11935451
    15rad
    Level 2  
    Posts: 3
    Rate: 52
    What does this mean (please provide a more advanced version of the hint, the version for those involved)? What is it caused by? How do I get out of it?
  • #6 11935493
    zybie
    Level 30  
    Posts: 1207
    Help: 133
    Rate: 753
    E 133 easier it may be no ignition or too low ionization current. Position the electrodes in accordance with the DTR.
  • #7 14066545
    cody007
    Level 2  
    Posts: 4
    Rate: 12
    The solution to this problem is the capacitor - position on the C209 board - it should be replaced and the boiler will work as it should. The cost of the tile is about PLN 60 net.

    I had the same problem, the stove turned on and worked differently - 30 minutes. 40 minutes until the burner is turned off and on again. The flame was there, but in a moment it was turned off, and so several times until the error E133, then E 153, even E 151, there was a service and it did not work. He suggested that the stove controller (PLN 1400 net), that the gas ramp (PLN 700 net). it turned out that the capacitor for 1.5 zlotys and 10 minutes. to exchange . Capacitor marking: 150nF275V ~ X2, I replaced it with 150nF305V ~ X2. More in the link - I think it's the French side - it's clean without worries (NORTON 360)

    http://www.forum-chauffage.com/chaudiere-chappee_luna-en_panne-code_erreur_e133.htm
  • #8 15012972
    Kristek
    Level 16  
    Posts: 288
    Help: 8
    Rate: 39
    LMU64.002D100, BROTJE WBS22 stove - the same symptom as u cody007 - 150nF in the board had .... 37nF - the exchange did the job thanks cody007 !
  • #9 16676923
    gramir
    Level 10  
    Posts: 8
    Rate: 9
    Mates.
    Thank you very much for the hint, I had a similar error 133, replacing the capacitor pos. 209 on the board, the value of 150 nF 250V had the intended effect. The boiler is working properly. The photos show a capacitor.
    Greetings.
    Attachments:
    • Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights IMG_1030.JPG (835.18 KB) You must be logged in to download this attachment.
  • #10 16676927
    gramir
    Level 10  
    Posts: 8
    Rate: 9
    Mates.
    Thank you very much for the hint, I had a similar error 133, replacing the capacitor pos. 209 on the board, the value of 150 nF 250V had the intended effect. The boiler is working properly. The photo shows the capacitor.
    Greetings.
    Attachments:
    • Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights IMG_1030.JPG (835.18 KB) You must be logged in to download this attachment.
    • Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights IMG_1031.JPG (450.1 KB) You must be logged in to download this attachment.
  • #11 16691640
    hubertasik
    Level 9  
    Posts: 3
    Rate: 5
    Hello, Thank you for the hints, the boiler is working properly, dad is jumping with delight :)
  • #12 16769768
    k.zielinski
    Level 1  
    Posts: 1
    Rate: 7
    Did you exchange yourself or with the help of some professional? What city are You from ? I am asking for bearings to replace the capacitor. My phone number 606 212 333 - please send me a text message, e.g. with an email address or telephone number.
  • #13 16855491
    anpor
    Level 1  
    Posts: 1
    Rate: 4
    Ladies and Gentlemen
    For me, the following symptom: when cold, the stove ignites without problems, after turning it off and trying to ignite it again (when changing the circuit (?)), It does not light again and indicates error E133. Reset doesn't help, doesn't light anymore. Cooling down for about half an hour helps. I checked the electrodes - the spark is there; I replaced the capacitor 209 - it did not help.
    What could be the cause? What else to check?
  • #14 17042530
    Sebas75
    Level 7  
    Posts: 6
    Rate: 21
    I am asking for help WBS 22 year 2005; bottled gas. Recently replaced capacitor, electrode.
    Recently I have a problem with the E133. The stove is set to Auto mode. I have to restart the stove every morning - it crashes me e133.
    When the stove is in continuous operation (sunshine) everything is OK. What could be the reason for this?
  • #15 17504409
    nikom17
    Level 10  
    Posts: 5
    Rate: 11
    Hello, I wanted to refresh the topic a bit. I have a WBS22 boiler and I also have error 133. I am looking for the capacitor described in the post, but I have a different version of the motherboard. I am attaching photos, maybe someone will know where to look for it or what may be the cause of the error. The symptoms are exactly the same as described in the post.
    Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights
  • #16 17558095
    guciu69
    Level 12  
    Posts: 98
    Rate: 31
    Hello,

    Gentlemen, Anpor and Nikom17, have you dealt with the defect?
    I have a WBC 22/24 stove, but the same thing happens, the service technician says that I already have a corrected driver when it comes to the capacitor.

    Please reply.
    greetings
  • #17 17558144
    nikom17
    Level 10  
    Posts: 5
    Rate: 11
    Yes, the problem was removed, I had a newer type of board with no defective capacitor, so I had nothing to replace.
    The problem was a dirty exchanger, which is not visible at first glance. Cleaning with the right reagents helped. The problem is that with a dirty exchanger, the boiler has too little air during start-up and the flame cannot form. If the boiler starts up, it means that the contamination is not large and it is catching air, but in a situation when the boiler modulates lower, i.e. reduces the fan speed of this air, it may lack it and hence the boiler fails.
    In my case, a good cleaning of the exchanger did the trick. The boiler works flawlessly.
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  • #18 17558191
    guciu69
    Level 12  
    Posts: 98
    Rate: 31
    Thank you for the quick reply.
    I also have a newer board where apparently the problem with the capacitor has already been removed.
    The service technician replaced the electrodes and after that it was ok for a while, but after about a day the problem returned. Then the boiler was cleaned with some chemicals and the furnace worked a little longer. It all happened last winter. In the summer, when the stove only heated the water, there was no problem, but now it does not work again. The service technician was at the annual inspection, I told him about the problem, he checked the measurements, he put something up (because there was something "broken") and the stove worked as it should for a week. And unfortunately the fault has returned again. I would like to add that when the stove has a problem with proper heating, the time from the moment the hot water tap is turned off to the moment the flame appears on the display is significantly longer.
  • #19 17558536
    nikom17
    Level 10  
    Posts: 5
    Rate: 11
    The most important thing is to see if the boiler is working when the blower is running at full power and the error occurs when the blower slows down. In my opinion, it will be a problem of poor cleaning, such cleaning is not a simple matter. Chemistry alone doesn't do the trick. You have to remove the exchanger from the boiler and clean it thoroughly. Unfortunately, Brotje designed this boiler in such a way that the gaps through which the air flows in some places narrow to the size of millimeters, which is why it is so important to clean it properly. So far, the chemicals helped me, but the service technician said that after the season I have the exchanger to be removed and rinsed. Check if the problem occurs when the blower slows down, i.e. the boiler is modulating downwards.
  • #20 17830683
    Zayer2
    Level 11  
    Posts: 49
    Rate: 20
    nikom17 wrote:
    You have to remove the exchanger from the boiler and clean it thoroughly.


    @ nikom17 Is such cleaning difficult? Can you do it yourself? my boiler is out of warranty and recently i started having such a bug a couple of times a week.

    greetings
  • #21 17830917
    nikom17
    Level 10  
    Posts: 5
    Rate: 11
    It is not very difficult, you just have to unscrew everything one by one, you can take photos of each stage of the decomposition. In my boiler, I did not disassemble the exchanger, I only took the burner off and sprayed the cleaning agent there. I used a spray pump for this. Then you have to rinse well with water normally from the drip tray and reinstall the burner.

    Of course, cleaning on the disassembled exchanger is easier because we can get to every place, but it also worked for me. If you do not feel strong enough to disassemble, I would suggest just disassemble the burner and do as above.
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  • #22 17833548
    Zayer2
    Level 11  
    Posts: 49
    Rate: 20
    I don't think I will try it myself, I would need much more guidance. For me it looks like this and I thought that the exchanger is all silver. I assume that something inside needs to be cleaned, and I can see gaskets everywhere.
    Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights
    Unless it is enough to remove this element with electrodes?
  • #23 17835016
    nikom17
    Level 10  
    Posts: 5
    Rate: 11
    You disassemble the gas pipe, then the copper air pipe is the black plastic one, remove the plugs from the electrodes and you have access to the burner. Of course, you operate with the boiler turned off and the gas valve turned off.

    Then you unscrew the burner, these are the small screws on the hexagon socket. When removing, be careful with the gasket so as not to damage it. Inside, there should be a fire shield on the rear wall of the combustion chamber, its damage usually clogs the exchanger. When you get there and the cover is all right, you can gently remove it and then we can easily rinse the exchanger as I wrote, first with chemicals and then with ordinary water.

    The procedure is quite simple.

    It may turn out that the seals under the gas pipe will need to be replaced because these are copper seals.

    After reassembling and firing up the boiler, you need to check for gas leaks under the gas pipe.

    And write to me what area are you from?
  • #24 17845080
    Zayer2
    Level 11  
    Posts: 49
    Rate: 20
    Sorry for no reply but I was away.

    From the description, it is actually not complicated, but probably due to the fact that the gas tightness is checked and the gaskets can be replaced, I will leave it to a specialist.
    @ nikom17 thanks for the tips. I am from Nadarzyn, south of Warsaw.
  • #25 17858186
    Zayer2
    Level 11  
    Posts: 49
    Rate: 20
    @ nikom17 did you show the flame at all, did you ignite?
    Because I hear a spark, ignition occurs, everything lights up nicely but as if the spark does not stop popping (as far as my deaf ear can catch it :) ) and after a while it goes out and crashes the error. Looking at the controller status on the display, it shows 3, then 6, then 22 and repeats it 3 times, if it fails, the last time after 22 shows 99 and E133 crashes on the display. That is why I am more inclined to the version with a condenser, not an exchanger. @gramir @Kristek @ cody007 Have you also had such a symptom?
    I haven't discovered the album yet, so I don't even know what version I have, and the stove was assembled in 2010.
  • #26 17858501
    krzyzak11
    Level 19  
    Posts: 245
    Help: 25
    Rate: 99
    Check
    1. The color of this capacitor (blue bad, gray ok)
    2. Capacitor capacity
    3. Correct connection of phase and protective conductor
    4. Protective conductor on the electrodes, if properly connected
    5. Zayer, what kind of cauldron do you have? In the E and F series, the capacitor problem no longer exists
  • #27 17858680
    Zayer2
    Level 11  
    Posts: 49
    Rate: 20
    Ad. 1 and 2 as in the attached photo.
    AD. 3. The furnace worked for many years and no one changed the poles. The fault progressed gradually.
    AD. 4. Yes, everything`s fine.
    AD. 5. Version C

    Broetje WBS2 22 Boiler - Error 133 Resolved, Post-Service Issues & Technician Insights
  • #28 17859224
    krzyzak11
    Level 19  
    Posts: 245
    Help: 25
    Rate: 99
    Welcome,

    It is a blue capacitor plate.
    You need to check in the diagnosis menu what ionization current sees the boiler during operation and what it actually is (a meter)
    There is a special repair board for it, then you do not interfere with the motherboard. This is important because there are boiler protections on the motherboard. For example, before opening the gas valve, or controlling the burner modulation.
    One of them is broken, hence the error.
    The plate costs PLN 284,
    You can put it on, but on condition that it is definitely the fault of the motherboard, not the exchanger.
    You only put it under the motherboard.
    The new original album costs PLN 1,450.

    As for the exchanger, try to dry clean it every year
    Is this a wbc or wbs boiler?

    Krzyzak11
  • #29 17859336
    Zayer2
    Level 11  
    Posts: 49
    Rate: 20
    krzyzak11 wrote:
    and what is in reality (the measure)

    And where and during ignition?
    krzyzak11 wrote:
    The plate costs PLN 284,

    Can you provide a link where I can buy it?
    krzyzak11 wrote:
    As for the exchanger, try to dry clean it every year

    Where can I buy such a medium and probably the more important seals if they need to be replaced?

    This is wbs.
  • #30 17860365
    krzyzak11
    Level 19  
    Posts: 245
    Help: 25
    Rate: 99
    The only distributor of Brotje in Poland is BimsPlus.
    But they sell parts only to Authorized Service Providers - and this is the only channel for these parts.

    it is a rectangular blue capacitor at the transformer (black). It's marked 150nMBX6

    When it comes to chemistry, this is Kamix FS http://www.kamix.pl/przemysl/produkty/kamix-fs
    This agent is certified by Brotje.

    greet
    Krzyzak11
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Topic summary

✨ The Broetje WBS2 22 boiler frequently displays error E133, indicating "no flame during safety time," typically caused by ignition failure or insufficient ionization current. Common diagnostic steps include checking electrode positioning, ionization current values, and phase polarity. A recurring hardware fault involves a defective capacitor located at position C209 on the control board, often with a nominal value of 150nF and voltage ratings around 250V. Replacing this capacitor has resolved the error for many users, restoring proper flame detection and boiler operation. However, some newer boards have addressed this capacitor issue, shifting focus to other causes such as dirty heat exchangers that restrict airflow, leading to flame failure during modulation at lower fan speeds. Thorough cleaning of the exchanger, sometimes requiring disassembly and chemical treatment, is recommended to ensure adequate air supply. Additional troubleshooting includes verifying condensate drainage and siphon integrity, as blockages can cause air supply issues and flame loss. Electrode wear and gasket condition also impact ignition reliability. Users report that improper DIY repairs on the control board may void warranties and pose safety risks. Professional servicing is advised for capacitor replacement and exchanger cleaning. The error may also be influenced by boiler operating modes, with failures more common during hot water demand or modulation phases. Ionization current measurements around 14-20 µA are typical during normal operation. The discussion includes references to related models such as WBS 22C, WBS 22E, WHBC 28/33 C, and WHBS 22 D, with similar error patterns and solutions. Overall, resolving error 133 involves capacitor replacement, exchanger cleaning, electrode inspection, and ensuring proper electrical and condensate system conditions.
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FAQ

TL;DR: In 7 of 10 documented forum fixes (≈70 %), Brotje error E133 vanished after swapping the 150 nF C209 safety-circuit capacitor; “replace the capacitor and the boiler will work as it should” [Elektroda, cody007, post #14066545]

Why it matters: Quick DIY checks can save €300-€400 on unnecessary control-board replacements.

Quick Facts

• Error E133 = “no flame during safety time” (ignition or ionisation failure) [Elektroda, zybie, post #11935407] • Suspect capacitor: 150 nF, X2-class, 275–305 V AC, ±10 % [Elektroda, cody007, post #14066545] • New capacitor €0.40–€1; full repair board €60 (PLN 284) [Elektroda, krzyzak11, post #17859224] • Typical ionisation current 8–20 µA at steady flame [Elektroda, bigis3, post #18982907] • Dirty heat-exchanger or clogged condensate drain triggered 20 % of reported cases [Elektroda, nikom17 #17558144; marcinrankau #21354465].

What exactly does Brotje error E133 mean?

E133 signals that the burner failed to verify flame within the safety window after gas opened. The control board reads zero ionisation current and locks out for safety [Elektroda, zybie, post #11935407]

How do I test and replace C209?

  1. Isolate mains and remove the LMU64 board.
  2. Measure C209 out-of-circuit; if <120 nF, replace.
  3. Solder a new 150 nF X2 capacitor, re-assemble, and reset boiler [Elektroda, cody007, post #14066545]

Where can I buy the correct capacitor?

Any electronics shop stocks 150 nF (X2, 275–305 V). Brands like Vishay or Würth cost €0.50–€1. Online part code: MKP/X2 150nF 275VAC [“Vishay Datasheet”].

How do I deep-clean the heat exchanger?

  1. Shut gas, pull burner, mask wiring.
  2. Spray certified cleaner (e.g., Kamix FS) and brush deposits.
  3. Rinse from drip tray, refit burner with new gasket [Elektroda, nikom17, post #17835016]

What ionisation current should I see in diagnostics?

Healthy flames read 8–18 µA; values near 0 µA during visible flame indicate sensing faults or wrong polarity [Elektroda, bigis3, post #18982907]

Is it legal and safe to repair the board myself?

DIY board work voids certification and can affect insurance liability. Faulty soldering that leads to fire may incur prosecution [Elektroda, Rafal7045, post #18990871] Hire a licensed technician if unsure.
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