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Alaska
Oven
Data independently verified by Elite B2B Technicians
Diagnostic Complet

Error Code ER21 Alaska

Symptom / Description

Main board temperature sensor error

Root Cause

The temperature sensor located on the main control board itself has failed, which is a safety feature to prevent the electronics from overheating.

Repair Instructions

UNLOCKED

This error usually indicates that the entire main control board needs to be replaced.

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