Hatco E2 Error Code

What does Hatco E2 mean?

On a Hatco FDWD-series humidified holding cabinet, E2 shows on the digital display when the humidity sensor is malfunctioning. The control can no longer read cabinet humidity correctly, so it cannot manage the moisture level that keeps held food from drying out. The manual directs the operator to contact an authorized Hatco service agent or Hatco for assistance.

Symptoms

• E2 appears on the digital display
• Cabinet humidity is not controlled at the set level
• Too much or too little moisture inside the cabinet
• Display shows a fault instead of normal operating readout

Common causes

• Humidity sensor is defective
• Humidity control is defective
• Control board is unable to read the humidity sensor signal

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Diagnostic steps

1. Confirm the E2 code

   Verify E2 is shown on the digital display and persists during normal operation of the cabinet.

2. Power down before any service

   Turn off the power switch, unplug the power cord, and allow the unit to cool before any cleaning, adjustment, or maintenance, per the manual's warning.

3. Do not field-repair the sensor

   The manual requires service by trained and qualified personnel only; unqualified service may lead to electric shock or burn.

4. Contact Hatco service

   Contact the nearest authorized Hatco service agent or Hatco for assistance, as the manual specifies for the E2 condition.

When to call a professional

Call a professional now. For the E2 humidity sensor fault, the Hatco FDWD manual directs you to contact an authorized Hatco service agent or Hatco for assistance. Diagnosing and replacing the humidity sensor or humidity control means working inside an electrically live, heated cabinet, and the manual states this unit must be serviced by trained and qualified personnel only to avoid electric shock or burn.