Friedrich P09B-A Instrukcja Użytkownika Pobierz pdf (Strona 3)

-2-

When LED of unit

shows E1

-There might be a broken or short

circuit on ambient temperature

sensor.

-Please check if it is sensor's

problem. If not, contact

manufacturer for replacing

the PCB.

When LED of unit

shows E2

-There might be a broken or short

circuit on brass temperature

sensor (only applicable for

cool/heat unit).

-Please check if it is sensor's

problem. If not, contact

manufacturer for replacing

the PCB.

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