Frigidaire / Electrolux · Washer error code

E5A / E5B / E5CMotor control heat sink overheated

Cross-checked Power off, standard tools

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Related diagnostic guides

Component test · Washer

Washer motor control unit / inverter board

Direct-drive and inverter washers use a motor control unit (MCU) that powers a 3-phase motor and reads a hall sensor or tach. Separate MCU, motor windings, hall sensor and harness before buying a board.

6 steps ~45 minadvanced

Guide · Washer

Washer smells like burning

Stop and unplug first. Most cases are a slipping belt, a dragging motor or pump, or a burnt connector; on front-loaders the motor control board can scorch.

5 steps ~45 minmoderate

Guide · Washer

Washer trips the GFCI or breaker

Note when it trips. At plug-in: cord or board. During fill: water reaching wiring. During heat: heater leakage (some front-loaders). During spin: motor.

4 steps ~60 minadvanced