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critical Frigidaire
Error Code EH00
Internal memory chip failure — the control board's memory has failed and the unit cannot operate properly.
? What Causes This
Defective internal memory chip on the main control board.
✓ How to Fix It
- Contact your Authorized Frigidaire Service Center.
- The control board will need to be replaced by a qualified technician.
Source: page 19 of the official manual
From the manual
This error code appears in:
Frigidaire FHWC054TE1 Window Air Conditioner