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VD (E3.1) 10/2020 page 98/179
13.2.2 MB2 controller
Alarm messages overview:
Condition Alarm message
Start after
condition occurred
The current actual temperature value
is outside the tolerance range (chap.
12)
“Temperature range”
after configurable time
(chap. 12.2.1)
Factory setting: 10 minutes
The current actual pressure value is
outside the tolerance range (chap. 12)
“Pressure range
after configurable time
(chap. 12.2.1)
Factory setting: 10 minutes
Exceeded setpoint of the safety
controller class 2
“Safety controller immediately
Overtemperature protective device
class 2 (thermal switch) activated
“Overtemperature” immediately
Temperature sensor defective
Actual temperature value
display shows e.g. “- - - - “ or
“<-<-< “ or “>->->”
immediately
Pressure sensor defective
Actual pressure value display
shows e.g. “- - - - “ or
“<-<-< “ or “>->->”
immediately
Failure of temperature sensor for
object temperature (option)
(no value shown) immediately
Alarm messages are displayed in the list of active alarms until acknowledging them. They are also shown
in the event list.
When operating the chamber without vacuum connection, turn off pressure control (chap.
8.6) in order to avoid alarms of the pressure system.
State of alarm
1. Visual indications in Normal display: alarm message, screen header flashing in red color
2. Audible alert, if the buzzer is enabled (chap. 13.4).
Normal display in state of alarm (example).
(a) Screen header flashing in red
color and
showing the alarm message
(b) Alarm
icon on the bottom of the screen:
change to the list of active alarms and
alarm acknowledgement
(a)
(b)
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