Hoffrichter TRENDvent, Руководство пользователя

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Operating the device 59
SYMBOL AREA
Symbol Meaning
The symbol indicates the remaining capacity of the
internal battery. The battery is charged during mains
operation. The constantly
fi lling battery display indi-
cates that the battery is charging.
The device is set for operation with a valve tube sys-
tem (see page 43).
The device is set for operation with a leakage tube
system (see page 43).
The alarm sound has been muted for 2 min. The alarm
sound of any new alarm is also muted until the 2 min.
have expired. Pressing the alarm button can deactivate
the alarm sound before an alarm is triggered. Pressing
the button once more activates the alarm sound again
when an alarm occurs.
The safety lock is active.
The safety lock is inactive.
A continuous change from a closed to an open lock means
that the safety lock can be either activated or deactivated.
For further information, refer to page 57 onwards.
Once this symbol appears, the device may only con-
tinue to be operated for a maximum of 450 hours. Then
the blower must be exchanged by Service, at the latest
after a running time of 15000 hours (see counter screen
> Blower Service: 15000 h
 100 %).
The symbol is only displayed if the mask test time or the
softstart ramp is not active.