April 7, 2025

KNOWLEDGEBASE

KNOWLEDGEBASE

Adjusting Thermocouples

For ideal firing results, thermocouples in each zone should be close regarding how far they

Adjusting Thermocouples

For ideal firing results, thermocouples in each zone should be close regarding how far they

At what temperature should you turn off the Vent-Sure kiln vent?

What is the recommended temperature to turn off the Vent-Sure kiln vent when firing glazes,

Calculating ventilation requirements for heat from a kiln room
Calculate how many CFM of air ventilation you need
  • Find the BTUs per hour (BTU/Hour) your
    • Calculating ventilation requirements for heat from a kiln room
    Calculate how many CFM of air ventilation you need
  • Find the BTUs per hour (BTU/Hour) your
    • Can I convert a manual J230 to an automatic JD230 and if so what do I need to get?

    It is possible to convert a J230 manual kiln into a JD230 automatic kiln. 

    What Parts
    Can I cool my kiln faster than it would normally?

    This question gets asked a lot around the holidays. L&L's official line on cooling the kiln

    Can I install my kiln on a non-fireproof floor?

    In a word- No.

  • All surfaces within 3 feet of the kiln need to be fireproof.
    • Can I install my kiln on a non-fireproof floor?

    In a word- No.

  • All surfaces within 3 feet of the kiln need to be fireproof.
    • Can I put Small Elements in an Element Channel designed for Large Elements?

    Yes - there is no problem putting a smaller element in a larger holder. Just be careful on the

    Can I Restart the Kiln after Getting an Error Message?
  • You can try to restart the kiln after getting an error code.
  • Some messages, like
    • Can I Restart the Kiln after Getting an Error Message?
  • You can try to restart the kiln after getting an error code.
  • Some messages, like
    • Can you use a centralized vent system instead of the Vent-Sure Vent?

    Question: We received this semester a DaVinci 2327-D and I'm hoping you can help us with some

    Can you use Advancer Shelves in an L&L Kiln?

    Question: I have several e28-T-3 kilns. I'm considering buying the Advancer kiln shelves made for

    Can you vent through the roof?

    It is fine to go through a roof with the L&L Vent-Sure kiln fumes vent system.

    • Can you vent through the roof?

    It is fine to go through a roof with the L&L Vent-Sure kiln fumes vent system.

    • Can't Change Options on One-Touch Control

    Sometimes when you press the Bisque or Glaze button on the One-Touch control you are not able to

    Changing from 208 volts to 240 volts - what to do?
  • All the elements will need to be replaced.  Why?  For example, the ohms on the
    • Cone Offset
    CONE OFFSET - GENESIS

     

  • Turn kiln ON with toggle switch
    • Control reads higher temperature than my studio. No error code. What is wrong?

    The temperature on the display is saying 121F. It's not 121 in the studio. An independent

    Control reads higher temperature than my studio. No error code. What is wrong?

    The temperature on the display is saying 121F. It's not 121 in the studio. An independent

    Dimensions of the Vent-Sure wall-mount bracket and fan motor assembly

    The motor extends 7" off the wall. Motor dimensions are 8" x 7". Wall plate dimensions are 10" x

    Display Reads 2400 or CPLt When it Starts Up

    Even though you know the kiln is not that hot: this indicates a thermocouple failure.

    Do kiln stands rust and what should be done about it?

    It is very common for kiln stands to rust. This happens from condensation in the air and possibly

    Do you need to insulate the ductwork for a Vent-Sure?
  • The molecules of air (which expand during the heating of the kiln) do not carry many BTUs.
    • Do you need to insulate the ductwork for a Vent-Sure?
  • The molecules of air (which expand during the heating of the kiln) do not carry many BTUs.
    • Does a small Test Kiln need to be hooked to a Vent System?
  • You should vent a test kiln if your regular kiln is vented.
  • You want to recreate
    • Does a small Test Kiln need to be hooked to a Vent System?
  • You should vent a test kiln if your regular kiln is vented.
  • You want to recreate
    • Does my Vent Motor require lubrication?
  • Before you purchase oil, check to be sure that you do not have a motor with sealed bearings.<
    • Does the Bartlett overtemperature control have a reset button like a "normal" overtemperature control?
  • If the controller is in the limit state (i.e. LMT flashing in the display), you must use the
    • Does the digital controller have a way to prevent an over fire?

    Once the kiln is properly calibrated after the test firing, it will fire very reliably for many

    Does the digital controller have a way to prevent an over fire?

    Once the kiln is properly calibrated after the test firing, it will fire very reliably for many

    DynaTrol Programs in Excel Format

    E-4, E- 4, or Err4 error code
  • Specifically this error code means that during a cooling segment in the programmed firing,
    • Electrical Supply Problems and slow kiln performance

    One of the most difficult kiln performance problems to address is a problem with the electrical

    Electrical Supply Problems and slow kiln performance

    One of the most difficult kiln performance problems to address is a problem with the electrical

    Element Connections are glowing. Why? What should be done?
  • An element connection can begin to glow if it is overheating. There are a few ways this can
    • Element Connections are glowing. Why? What should be done?
  • An element connection can begin to glow if it is overheating. There are a few ways this can
    • Error Codes for the One-Touch Control
    tC FAIL tC alternating with FAIL

    Indicates the thermocouple has failed. Replace the defective

    Genesis Control will not connect with WIFI
    The few things to check

    Using the WiFi opens up new possibilities with the Genesis controller.

    How and Why to Turn Off Error Codes
    To Toggle Error Codes On and Off

    The OTHER button contains a menu that contains many of the

    How and Why to Turn Off Error Codes
    To Toggle Error Codes On and Off

    The OTHER button contains a menu that contains many of the

    How can I extend ceramic kiln element life?
    Why do elements in electric kilns fail? How can you save on kiln maintenance costs?

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    How can I extend ceramic kiln element life?
    Why do elements in electric kilns fail? How can you save on kiln maintenance costs?

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    How can I protect an existing power supply?
    Circuit Breakers
  • Circuit breakers that have tripped and have been reset continually will
    • How can I tell the difference between elements wired in parallel versus series in my Jupiter, DaVinci, or Doll kiln?
  • Your Jupiter, DaVinci, or Doll kiln will have its elements either wired in parallel or wired
    • How can my kiln section stay on all the time in my computerized kiln, even when the on/off switch is off?
    A Relay May Be Stuck Shut
  • All computerized kilns use relays to cycle the power on and off
    • How can my kiln section stay on all the time on my manual kiln even when the kiln-sitter is off?

    Usually, this means a relay is stuck and needs to be replaced.

  • On 3-phase kilns,
    • How can the thermocouple wires get reversed on a Jupiter or DaVinci Automatic Kiln?

    When packed, the thermocouples on the Jupiter JD and DaVinci kilns are mounted to the kiln

    How deep should a Kiln Sitter Tube go into a kiln? How do you adjust the depth?
  • The Kiln Sitter Tube assembly should stick into the kiln about 1". This will allow air to