What does Tecnoeka Er1 mean?

The temperature display shows Er1 when the connection between the cooking cell sensor and the electronic board is deactivated, or when the cooking chamber sensor itself is damaged.

What does Tecnoeka Er2 mean?

Er2 appears with a buzzer that sounds for 30 seconds when the connection between the cooking cell sensor and the electronic board is interrupted, or when the core pin probe is damaged. Press the START/STOP key to stop the buzzer.

What does Tecnoeka Er3 mean?

Er3 is displayed on the temperature display with an alarm that can be silenced by pressing the button. It signals that the electronic board is overheating, either because the aeration openings in the metal walls are blocked or because heat sources are too near the oven.

Does AskWhiz cover Tecnoeka equipment?

Yes. AskWhiz is trained on official Tecnoeka service and operator documentation, so it can answer fault-code, error-message, and repair questions for Tecnoeka commercial kitchen equipment directly in WhatsApp.

How do I troubleshoot Tecnoeka error codes?

Send AskWhiz your Tecnoeka model number and the error code or symptom on WhatsApp. It searches the official Tecnoeka manuals and returns the likely cause and the documented fix, step by step, so you stop scrolling through PDFs in the field.

Is AskWhiz a substitute for the Tecnoeka service manual?

No. AskWhiz reads the official Tecnoeka documentation and surfaces the relevant procedure fast, but always follow the manufacturer safety warnings and call a qualified Tecnoeka technician for work that requires one.

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By Nichita Herput

Co-founder & CEO · Reviewed May 2026

What error codes does Tecnoeka display?

Er1

Cooking chamber sensor fault – heating interrupted

Er2

Core probe / sensor connection fault – alarm buzzer sounds

Er3

Electronic board overheating – ventilation blocked or heat sources too near

Er7

Steam generator discharge fault

Er8

Steam generator preheating sensor damaged

Er9

Steam generator thermal safety / level sensor fault – convection only

Common questions about Tecnoeka equipment

What other commercial kitchen brands does AskWhiz cover?

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