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Quick Start Guide BD / BF / ED / FD / FED (E3)
Page 9
Setting the safety controller set-point
Troubleshooting in the event of overtemperature
The chambers are equipped with an overtemperature protective device class 1 and a safety controller class 2 or
3.1. When the overtemperature protection has turned off the heating, proceed as follows. Detailed information can
be found in the operating manual in chapter 7.
Disconnect the chamber from the power supply (pull the power plug).
Let the chamber cool down below the pre-set reset temperature with class 1 or below the selected safety con-
troller set-point value (class 2 and 3.1).
If appropriate, have an expert examine and rectify the cause of the fault.
With class 2: reset the alarm.
Restart the chamber.
Go to
safety controller set-point setting menu
(
without fan x4 – with fan x5 )
Display of
current safety controller
set
-point (class 2 or 3.1
depending on the chamber type
)
Go to
safety controller
set
-point entry
S
afety controller set-point flashes
Enter the safety controller set
-
point
10 °C up to 100 °C
with BD, BF
(accuracy 0.1
degrees)
10 °C
up to 300 °C with
ED, FD,
FED
(accuracy 1 degree)
C
onfirm with OK
Back to Normal display
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