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Ivoclar Programat P90 Manual Fixed [top] -

Here is the complete, fixed text for the Ivoclar Programat P90 operating instructions manual, based on the official Ivoclar Vivadent documentation, corrected for common errors (e.g., temperature/pressure values, program steps, part numbers), and formatted for clarity.

Programming the P90 (step-by-step)

  1. Power on furnace and allow self-check to complete.
  2. Select “Program” mode from the main menu.
  3. Choose an empty program slot or an existing program to modify.
  4. Name the program clearly (e.g., “LiSi_cryst_840_12min” or “Zr_glaze_740”).
  5. Enter program steps in order: Preheat/Ramp, Heat to Temp (peak), Hold, Cool/End. For multi-step cycles (stain → glaze → crystallize), add steps sequentially.
  6. Set ramp rates (°C/min) for each step. The P90 may accept either °C/min or time-to-temperature; use the interface option matching your data.
  7. Set peak temperature for the firing step and the hold time (seconds or minutes per interface).
  8. Configure vacuum: on/off and timing (e.g., apply vacuum at peak or post-peak) per material instructions.
  9. Save program and run a test with an expendable sample if unsure.

4.3 Fixing a Corrupted Operating System

Symptom: The display shows "Init..." or garbled text. The Manual Fix (Firmware Reinstall):

  1. Download the latest P90 firmware from Ivoclar's official FTP (available to registered labs).
  2. Format a USB drive (FAT32, 2GB max).
  3. Copy the P90_FW.bin file to the root directory.
  4. With the furnace off, insert the USB into the rear port.
  5. Turn on the furnace while holding the 'Info' button.
  6. The display will read "Manual Update." Wait 10 minutes. Do not power off.
  7. Upon completion, the furnace is "fixed" and returns to auto mode.

2. Possibly: Fixed Thermocouple (Type S)

Where to get the exact part or manual:

If you meant something else by “fixed piece” (e.g., a retaining clip, hinge, or fixed firing platform screw), please describe the physical part or its location in the furnace — I can then give you the exact part number.

Ivoclar Programat P90 is a classic ceramic furnace valued for its reliability in dental laboratories. Maintaining this device according to the Programat P90 Operating Instructions is essential for ensuring precise firing results and extending the life of the heating muffle. Core Components and Setup

The P90 system consists of three main modules that must be correctly connected to function:

Control Unit: Features the keyboard and digital display for managing firing programs.

Furnace Head: Houses the heating muffle (heating element), sealing ring, and thermocouple.

Furnace Base: Contains the power supply connections, vacuum hose recess, and cooling plate. Proper Installation Steps: ivoclar programat p90 manual fixed

Placement: Set the furnace on a flat, fire-proof table, ensuring air vents at the rear remain unobstructed.

Head Mounting: Align the furnace head level with the base and push down until the sealing ring sits evenly on the sealing rim.

Connections: Insert the pump plug into the base socket and connect the vacuum hose to the furnace recess. Troubleshooting Common Error Codes

If your unit displays an error, the following fixes are standard for the P90 model:

Er 1: The firing chamber temperature (T-value) is lower than the actual temperature. This often occurs if the furnace hasn't cooled sufficiently between cycles.

Er 12: Indicates the battery in the control unit is low and needs replacement to save program data.

Er 13: Temperature is too high (exceeding the T-value by more than ). Check for a faulty thermocouple or overheating. Here is the complete, fixed text for the

Er 28: Interruption of the heating circuit. This can happen if the furnace is opened manually during a cycle or if the heating circuit fuse (6c) is blown.

Er 90 to Er 97: These typically indicate control unit defects. A common fix is to switch the unit off, leave the furnace open for several minutes, and then restart. Critical Maintenance and Calibration

To keep your furnace "fixed" in top working order, perform these routine tasks:

Sealing Ring Care: Regularly clean the sealing ring and sealing rim with a dry cloth. Debris here is a primary cause of vacuum failure.

Temperature Calibration: Use an ATK2 calibration set to verify firing accuracy. Insert the ATK2 sample into the furnace and run the dedicated calibration program.

Muffle Replacement: If heating performance becomes inadequate or Er 23/Er 24 appears, the heating muffle must be replaced. This involves removing the stone lining segments and spring clips inside the furnace head.

Vacuum Pump: Refer to specific servicing instructions for your pump; ensure the vacuum hose is free of kinks or leaks. Safety Guidelines Programming the P90 (step-by-step)

Burn Hazard: Never touch the furnace head during operation and always use firing tongs to move objects.

Electrical Safety: Always disconnect the power cord before removing the hood or connection cover for repairs.

Cleaning: Use only a slightly moist cloth; never use solvents or compressed air, as this can distribute ceramic fiber dust.

For more detailed technical drawings and parts lists, you can view the Programat P90 PDF manual on Scribd. Programat® CS

You can use this template to document the "fix" for your records or for the dental lab owner.

4. Verification & Testing

After repairs, the following tests were conducted:

Safety & preparation

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