Operating Instructions DFO/DFI Series Mechanical Convection Ovens/Incubator
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immediately when
is operated regardless of the remaining
AS
time.
ASd
: Timer for automatic terminating. Valid only when equipment is in running mode. The equipment
will be terminated automatically once the set time elapses. The equipment may be terminated
immediately when
is operated regardless of the remaining
ASd
time.
dEFt
：
Return to the factory default setting. It may be used when system halts or any other abnormal
situation occurs.
ESc
: Exit the
SEt
menu.
door
: The interlock for the oven door. When the door is open with temperature control in operation,
door alarm is triggered with beeping and
door
displayed. The heater and circulating fan are
disabled while alarm continues. When the door is closed, the
door
alarm will be cleared and, the
heating and circulating fan resume automatically.
Stb
: The independent over temperature device (STB) is triggered, resulting from over temperature of
the oven, or localized overheating of the bottom plenum. Once
SAFE
alarm is triggered,
LED
flashes for warning and both the heating and circulating fan are disabled. The warning and
protection against heating and circulating are locked even if the STB is recovered. Manual
resetting is possible only when the temperature within the bottom is lower than 300
°
C.
3.1.2 Working status indicating
Heating: Press the
key for more than 2 seconds to initiate the circulating fan. Orange LED
will be steadily lit with full power heating; When LED flashes, the heating power is automatically
adjusted to meet actual need. LED flashing frequency keeps constant when temperature is
stabilized.
Circulating fan: Press the
key for more than 2 seconds to initiate the circulating fan with
LED on, after which the heating operation is possible.
Timer:According to the case of use , if oven has the time fuction, LED flashes when timer is
working.
Alarmer: Red LED is on, when there is beeping and warning is triggered.
The warning or error of the sensor may be accompanied by the following:
Er01
: Warning of temperature sensor short-circuit.
Er02
: Warning of temperature sensor open-circuit.
ourh
: Warning of the oven temperature far beyond
Ht
.
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