Electrolux Washer Error Code EC9

EC9Electrolux Washer

What this code means

TY5_TRIAC_S_AL - Triac sensing signal out of limits. Microprocessor receives signal exceeding safe limits (positive half wave: 250, negative half wave: 5) for longer than 1 second. Safety drain cycle is performed automatically before door opening.. Possible causes: Triac component failure; Triac sensing signal out of specification; Microprocessor A/D converter issue; Wiring or connection problem affecting triac signal

Next steps: diagnose the root cause

1
Verify the error code is active

Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.

2
Get the full diagnostic procedure

Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.

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