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Error code

Mitsubishi Electric SUZ-AA code U4

No approved translation for this record yet; showing the original text.

Meaning

Dış ünite termistörleri (hata kodu U4) — Lamba: İnverter PC kartı LED'i: Her 2,5 sn'de 1 kez yanıp söner

Member details

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

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Possible causes

Kompresör çalışırken kanat (fin) sıcaklığı termistörü, defrost termistörü, PC kartı sıcaklık termistörü, dış eşanjör sıcaklık termistörü veya dış ortam sıcaklığı termistörü kısa devre ya da açık devre olur.

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.

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