07ITW Food Equipment Group

ITW Food Equipment Group 07 Error Code

Booster pressure level sensor voltage above upper limit

Source: ITW FOOD EQUIPMENT GROUP/00008 EDH-EDL_EUH-EUL Dishwashers Operation and Error Card F48737 (01-23).pdf

What does ITW Food Equipment Group 07 mean?

The booster pressure (water level) sensor is reporting a voltage above its allowed upper limit, so the control cannot trust its reading of the booster water level. Cycling power to start the draining process and refilling the tank lets the pressure level sensors reset, which often clears a stray reading.

Symptoms

  • Error code 07 shown on the display
  • Booster water level reading appears incorrect
  • Machine will not progress through fill or rinse
  • Error persists until the sensor resets

Common causes

  • Booster pressure level sensor out of calibration or faulty
  • Trapped pressure or air affecting the sensor reading
  • Wiring or connection fault at the pressure sensor
  • Control fault reading the sensor voltage

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Diagnostic steps

  1. Power off then on

    Press the power button off then on to start the draining process.

  2. Drain and refill

    Let the machine drain the tank and refill, which should reset the pressure level sensors.

  3. Confirm the sensor reads correctly

    Run a cycle and check whether the booster level reading and code 07 have cleared.

  4. Call Hobart Service if it persists

    If the error continues to display, contact Hobart Service at 1-888-4HOBART.

When to call a professional

Contact Hobart Service if code 07 stays on after draining and refilling to reset the pressure level sensors. A sensor that keeps reading out of range may be faulty, miswired or affected by a plumbing problem. An authorized Hobart technician has the tools to test the pressure level sensor and its circuit and replace it correctly so the booster level is measured accurately.