Friedrich MW12C1H - Manual (Page 18)

Cause
Immediately stop all operations and plug out, contact
the dealer in following situations
occur.
There is harsh sound during operation.
The terrible odors emitted during operation.
Water is leaking in the room.
Air switch or protection switch often breaks.
There is an abnormal heat in power supply cord
and power plug.
splash water or something into unit.
Accidently
Turn off unit and switch off breaker.
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