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VDL (E3.1) 10/2020 Page 125/196
16.2 Alarm messages
Alarm messages overview:
Condition Alarm message
Start after
condition occurred
The current actual temperature value
is outside the tolerance range (chap.
15)
“Temperature range”
after configurable time
(chap. 15.1)
Factory setting: 10 minutes
The current actual pressure value is
outside the tolerance range (chap. 15
)
“Pressure range”
after configurable time
(chap. 15.1)
Factory setting: 10 minutes
Safety temperature limiter (TL) has
turned off the heater
“Overtemperature” immediately
Exceeded setpoint of the safety con-
troller class 2
“Safety controller” immediately
Inner chamber temperature sensor
defective. Heater turns off.
Actual temperature value dis-
play shows e.g. “- - - - “ or
“<-<-< “ or “>->->”
immediately
Heater temperature sensor defective.
Heater turns off.
“Heater temp.sensor” immediately
Pressure sensor defective
Actual pressure value display
shows e.g. “- - - - “ or
“<-<-< “ or “>->->”
immediately
Failure of temperature sensor for ob-
ject temperature (option)
Object pressure value dis-
play shows e.g. “- - - - “ or
“<-<-< “ or “>->->”
immediately
Alarm messages are displayed in the list of active alarms until acknowledging them. They are also shown
in the event list.
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. 16.4).
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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