Operating Instructions DFO/DFI Series Mechanical Convection Ovens/Incubator
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3)
The timer starts to count down immediately and the decimal point of the first digit flashes. When
the time of
AS
elapses, the circulation fans start automatically to initiate constant temperature
control. Heating and constant temperature control will be executed automatically according to the
difference between
SEt
value and actual temperature. It is possible to adjust the
AS
time before
it counts down to zero following the above step #2.
4)
The equipment may be initiated immediately when
is operated regardless of the remaining
AS
time.
3.7 Timer for automatic terminating (optional)
1)
This function is valid in running mode.
2)
Press
for more than 2 seconds to display
Ht
, scroll the menu by
until
ASd
is displayed,
then press
to enter. Press
to get the desired value, press
to confirm and
exit the set up screen or exit automatically in 4 seconds.
3)
The timer starts to count down immediately and the decimal point of the first digit flashes. When
the time of
ASd
elapses, the circulation fans and heating stop automatically to show
oFF
. It is
possible to adjust the
ASd
time before it counts down to zero following the above step #2.
4)
The equipment may be terminated immediately when
is operated regardless of the
remaining
ASd
time.
3.8 Set default parameters
5)
It may be used to recover data and functional parameters when system halts or any other
abnormal situation occurs.
6)
Press
for more than 2 seconds until screen display
Ht
. Scroll the menu by
until
dEFt
is displayed, then press
for more than 2 seconds until
dEFt
flashes. Press
again for
less than 1 second to accept the default setting until
donE
is displayed and it exits automatically.
Accidental power failure or interference, the abnormal situation will happen such as
the equipment may not be able to achieve normal temperature controlling, alarm
may not be cleared or abnormal temperature displays etc. Try
dEFt
command first to
recover default settings.
3.9 Terminate operating
1)
Press
for more than 2 seconds. The circulating fan and the heater stop simultaneously.
2)
Disconnect the power by turning off the power switch, removing the power plug, or disengaging
the residual current circuit breaker (RCD).
Pull the operating temperature of the oven as close as possible to the ambient before
attempting to shut down the equipment. There may be hazards of burn or fire,
misoperation of a fire alarmer, deformation or distortion of the specimen!
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