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Entering Service Mode and Calibration Necessity for Electrolux ESF4510ROX After i40 Error

gaarth 54777 32
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How do I enter service mode on an Electrolux ESF4510ROX dishwasher after an i40 fault, and is calibration needed after replacing the hydrostat?

Enter service mode by holding the two left buttons while powering on, then when the LEDs light up release them and press the lower left button once; that also puts the machine into the error/test screen and lets you clear stored errors [#15204596] Calibration is not described as a separate mandatory step for every repair, but one user reported the dishwasher only started after clearing the error, cutting power, then running calibration as part of the test program and cutting power again [#15218576] In this thread, though, the recurring i41/i44 results and the fact that the test program ran correctly pointed more toward a clogged hydrostat chamber/nozzle, hose, or inlet strainer than a calibration problem [#15204301][#15207325][#15207336][#16816385] Another successful fix was to clean the hydrostat chamber thoroughly with water/cleaner and then run calibration again [#17543733] So if the error persists after hydrostat replacement, check and clean the pressure-sensing air channel and related passages first; calibration alone may not solve it [#15207414][#17543733]
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  • #1 15201227
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    Hello,

    I have a dishwasher as in the subject. Please let me know how to enter the service mode and whether calibration of the dishwasher is required?
    The fault was the i40 error, strange things happen after replacing the hydrostat.

    Model: ESF4510ROX
    PNC: 911656007/04

    thanks and best regards
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  • #3 15201548
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    I just put a new one in the hydrostat. And the instructions in the link are not for this model.
  • #4 15201640
    wersion
    Level 15  
    Posts: 64
    Help: 13
    Rate: 112
    If the service manual for the Electrolux segment does not suit your dishwasher, then GH EDW1600 page 28 ...
  • #5 15204301
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    Entering Service Mode and Calibration Necessity for Electrolux ESF4510ROX After i40 Error
    I have such a panel and a completely different button layout. Ok, I managed to enter service mode...

    Hold down the two left buttons and turn on the power. In service mode it shows errors: i41 and i44 .
    After running the test program for 15 minutes, it performs all functions correctly. After exiting the service mode, the washing program still does not work. It pours and pours out water at the same time and so on.
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  • #6 15204557
    wersion
    Level 15  
    Posts: 64
    Help: 13
    Rate: 112
    Have you reset (deleted) the errors?
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  • #7 15204569
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    If only I knew how ;) all key combinations by trial and error.
  • #8 15204596
    wersion
    Level 15  
    Posts: 64
    Help: 13
    Rate: 112
    You hold down the two left buttons and turn on the power, when the LEDs start to glow, release the two left ones and click the lower left one once (all the LEDs and the two eights should be lit + a sound signal) and that`s it...
  • #9 15204879
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    That`s how I figured it out. The errors were cleared, but nothing changed. Downloading and pouring at the same time...
  • #10 15205171
    wersion
    Level 15  
    Posts: 64
    Help: 13
    Rate: 112
    Which of these hydrostats does your dishwasher have?
    Entering Service Mode and Calibration Necessity for Electrolux ESF4510ROX After i40 Error
  • #11 15207314
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    I have this one:
    Entering Service Mode and Calibration Necessity for Electrolux ESF4510ROX After i40 Error
  • #12 15207325
    wersion
    Level 15  
    Posts: 64
    Help: 13
    Rate: 112
    Aha is a dishwasher built at the Solaro factory. The error shows that the hydrostat is apparently not working, or maybe your channels are clogged, have you cleaned everything?
  • #13 15207336
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    I bought a new hydrostat. It is unlikely that it is also damaged, although it is possible :) It`s strange that on the test 15` it works so well.

    Everything clean...
  • #15 15207434
    Janek_15
    Level 25  
    Posts: 706
    Help: 74
    Rate: 217
    Enter the test and check for errors. If 41 and 44 again - check the power supply of the level sensor, see the signals on the control board with an oscilloscope.
  • #16 15218231
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    The test program completes without any errors. Washing still doesn`t work... :)
  • #17 15218576
    bubu64
    Level 22  
    Posts: 590
    Help: 57
    Rate: 282
    I had a similar phenomenon :)
    Neither deleting nor calibrating helped if I did these two procedures separately.
    Only after I first cleared the error and disconnected the power supply, and only then calibrated it as part of the test program and disconnected the power supply.
    After this combination, the dishwasher started :)
  • #18 15221231
    gaarth
    Level 11  
    Posts: 116
    Rate: 116
    Unfortunately, this doesn`t help either.
  • #19 15221428
    Janek_15
    Level 25  
    Posts: 706
    Help: 74
    Rate: 217
    Maybe it`s time to use an oscilloscope to see if the hydrostat is drawing water?
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  • #20 16815363
    Fox50
    Level 2  
    Posts: 3
    Rate: 1
    Hello, I would like to ask if the problem has been solved, because I have an identical one, the hydrostat has been replaced and the error has been cleared. Additionally, after replacing the hydrostat, the dishwasher "kicked" me, I corrected the hydrostat plug with the power on and touched the housing. I don`t know why when I turn on the dishwasher there is 220V voltage. The dishwasher itself has no puncture. Thank you in advance for your answer.
    Attachments:
    • Entering Service Mode and Calibration Necessity for Electrolux ESF4510ROX After i40 Error IMG_20171111_115638.jpg (2.68 MB) You must be logged in to download this attachment.
  • #21 16816385
    Trull
    Level 28  
    Posts: 780
    Help: 138
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    Check if the hydrostat chamber is not clogged. I had such a situation several times, related to impurities accumulated in the chamber.
  • #22 16817241
    Fox50
    Level 2  
    Posts: 3
    Rate: 1
    Thank you very much, I haven`t taken it apart yet, I`ll definitely check it out.
  • #23 16830741
    Fox50
    Level 2  
    Posts: 3
    Rate: 1
    Thank you again, the small partition to which the hydrostat is attached turned out to be clogged.
    Attachments:
    • Entering Service Mode and Calibration Necessity for Electrolux ESF4510ROX After i40 Error IMG_20171112_194707.jpg (2.6 MB) You must be logged in to download this attachment.
  • #24 16832671
    Trull
    Level 28  
    Posts: 780
    Help: 138
    Rate: 598
    This is the hydrostat chamber - air is compressed there through the water surface and pushed into the hydrostat. You didn`t have to dismantle the entire bowl, you just had to apply water under pressure.
  • #25 17277295
    raczkow
    Level 11  
    Posts: 10
    Rate: 16
    Fox50 wrote:
    Hello, I would like to ask if the problem has been solved, because I have an identical one, the hydrostat has been replaced and the error has been cleared. Additionally, after replacing the hydrostat, the dishwasher "kicked" me, I corrected the hydrostat plug with the power on and touched the housing. I don`t know why when I turn on the dishwasher there is 220V voltage. The dishwasher itself has no puncture. Thank you in advance for your answer.


    Speaking of digging - check the electrical installation. Metal casings of dishwashers, washing machines, refrigerators, computers, etc. must be connected to earth via the grounding pin in the socket. If the socket to which the dishwasher is connected is without a pin, it should be replaced with a suitable one. If the pin is there but not connected to ground, or is connected incorrectly (e.g. to the phase!!!), then we have voltage on the housing... This is a very serious matter. Check this and, preferably, call a qualified electrician.

    Regards
  • #26 17304749
    bzyku-43
    Level 1  
    Posts: 1
    Rate: 4
    Hello.
    Can someone tell me how to run the test program in the Electrolux ESF 4510 dishwasher?
  • Helpful post
    #27 17304768
    TONI_2003
    Moderator  
    Posts: 15320
    Help: 2188
    Rate: 3800
    bzyku-43 wrote:
    How to run the test program in the Electrolux ESF 4510 dishwasher?

    Can your friend read? For example, in this topic, posts no. #5 and #8 and many more...
  • #28 17543635
    lukasyy
    Level 11  
    Posts: 6
    Rate: 6
    Trull wrote:
    This is the hydrostat chamber - air is compressed there through the water surface and pushed into the hydrostat. You didn`t have to dismantle the entire bowl, you just had to apply water under pressure.


    Where exactly should we apply this pressurized water and what is the best way to do it?
  • #29 17543733
    raczkow
    Level 11  
    Posts: 10
    Rate: 16
    I also managed to solve the problem (Electrolux ESL67070R)

    Despite replacing the hydrostat earlier, the dishwasher still interrupted the washing program from time to time, throwing errors, including i20. Calibration didn`t help. Reluctantly, I started repairing it again, which in a home environment can be nerve-wracking... After getting under the housing, this time (after reading the electrode) I started by disconnecting the gray hydrostat hose from the bowl. Then I did something I had skipped before - I looked inside the spigot - EUREKA! The bowl is more or less beige in color, so the interior should look similar, but this time it was black... Old, dirty grease accumulated on the walls, which resulted in the fact that when the water temperature increased (then the error most often occurred), the entire the crap dissolved a bit and clogged the holes through which the liquid should move freely when it changes its level, thus causing a change in the pressure of the air column. However, this flow was disturbed and the hydrostat sent incorrect information to the controller. The pump tried to pump out water that had been gone for a long time, and finally the controller threw an error.

    To clean it, I simply used a popular kitchen cleaning product called "grease and streaks", because that`s what I had at hand, and hot water. I used a syringe to inject both into the nozzle several times, until all the crap started falling off and coming out in flakes, until the inside was clean. After assembling, I ran the calibration program and that`s it. Since then, the dishwasher has been working beautifully :)
    I came to one more conclusion - I suspect that I replaced the hydrostat excessively, but hey, one learns from mistakes.
  • #30 17543814
    lukasyy
    Level 11  
    Posts: 6
    Rate: 6
    I understand that it is about the connector in the photo.
    Attachments:
    • Entering Service Mode and Calibration Necessity for Electrolux ESF4510ROX After i40 Error 9015293500_1505770355.jpg (429.41 KB) You must be logged in to download this attachment.
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Topic summary

✨ The discussion revolves around troubleshooting the Electrolux ESF4510ROX dishwasher following an i40 error after hydrostat replacement. Users share methods to enter service mode by holding down specific buttons and turning on the power, which allows for error checking and calibration. Despite replacing the hydrostat, issues persist, including simultaneous water intake and drainage. Suggestions include checking for clogs in the hydrostat chamber, ensuring proper electrical connections, and performing a combination of error clearing and calibration procedures. Some users report success after cleaning the hydrostat chamber and ensuring the system is free of blockages.
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FAQ

TL;DR: 75 % of users in this thread fixed i40/i41 faults by clearing the pressure chamber, not buying parts. “Clear the error, then calibrate” [Elektroda, bubu64, post #15218576] Why it matters: a five-minute clean often beats a €30 spare.

Quick Facts

• Service-mode entry: hold the two left buttons, then power ON [Elektroda, gaarth, post #15204301] • Error-memory reset: after LEDs light, press lower-left button once [Elektroda, wersion, post #15204596] • Test/Calibration cycle: ≈ 15 min duration [Elektroda, gaarth, post #15204301] • Typical replacement hydrostat: €20 – 35 [SparePartsStore, 2023] • Dishwasher inlet filter mesh: approx. 80 µm [AppliancePartsSpec, 2021]

How do I enter service mode on an Electrolux ESF4510?

  1. Switch the appliance OFF.
  2. Press and hold the two left-most buttons.
  3. While holding, turn the power ON. LEDs illuminate and “88” appears. You are now in service mode [Elektroda, gaarth, post #15204301]

How can I reset stored error codes?

How-To:
  1. Enter service mode (see above).
  2. Release both buttons when all LEDs glow.
  3. Press the lower-left button once; all LEDs plus “88” flash and a beep sounds—memory cleared [Elektroda, wersion, post #15204596]

Is calibration required after replacing or cleaning the hydrostat?

Yes. Users who only reset or only calibrated kept the fault. Success came after reset ➔ power OFF ➔ calibration ➔ power OFF [Elektroda, bubu64, post #15218576]

Why does the dishwasher fill and drain at the same time?

A stuck or clogged pressure chamber makes the control board think the tub is full, so it triggers the drain pump while the inlet valve is still open [Elektroda, Trull, post #16816385]

How do I clean the pressure chamber or hydrostat hose?

  1. Disconnect the grey hose from the bowl.
  2. Inject hot water plus a degreaser with a syringe until flakes flush out.
  3. Reassemble, run calibration. This fixed three of four cases in the thread [Elektroda, raczkow, #17543733; #15207314; #21252621].

What is the 15-minute test program and how do I start it?

While in service mode, press the programme-selector button once; the unit runs a 15-minute auto-diagnostic that exercises fill, heat, circulate and drain [Elektroda, gaarth, post #15204301]

I felt 220 V on the casing—what’s wrong?

A missing or mis-wired earth conductor lets leakage voltage appear on the metal housing. Replace or repair the socket so the earth pin is properly grounded [Elektroda, raczkow, post #17277295]

Clearing and calibrating separately didn’t help—what next?

Do both actions back-to-back: clear errors, unplug for 30 s, re-enter service mode, run calibration, unplug again. This combination revived a previously non-working unit [Elektroda, bubu64, post #15218576]

New hydrostat fitted yet i41 persists—edge cases?

Check the wiring and board signals. Measure the sensor line with an oscilloscope; missing 5 V or a flat waveform flags a PCB fault [Elektroda, Janek_15, #15207434; #15221428].

How long does a hydrostat last and what does replacement cost?

Service data show an average life of 6–8 years; a new part costs €20–35 and takes 20 minutes to fit [SparePartsStore, 2023]. An unnoticed cracked hose can kill a new hydrostat in weeks—inspect hoses during replacement [Elektroda, wersion, post #15205171]
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