Alarms / Errors; Definition; Alarms; Error - ABB EBN853 Operating Instructions Manual

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8

Alarms / Errors

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8.1

Definition

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8.1.1

Alarms

The actuator or electronic unit is in a critical state (e.g., high temperature), which currently does
not affect the actuator, electronic unit, process or persons. The actuator functions are available.
Previous alarms are stored in the "Saved Alarms" area in the electronic unit. Use the graphic
user interface to output the stored alarms.
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8.1.2

Error

The actuator or electronic unit is in a critical state, e.g., positioning time-out, which currently is
impairing the actuator, electronic unit, process or persons. The actuator is switched off and the
actuator functions are no longer available. Previous error messages are stored in the "Saved
Errors" area in the electronic unit. Use the graphic user interface to output the stored errors.
Error messages cannot be reset until the cause of the error has been eliminated.
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8.2

Alarm diagram

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Setpoint time-out
upper limit/ lower limit
Monitoring ON
&
Actuator Stop
Safety pos. last
setpoint
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42/68-830-EN
Transmitter Maintenance
monitoring
upper limit/ lower Lubricant /
limit Elastom.
Motor / Gear
Integr.
controller
ON
&
Alarm Signal
General Alarm
Display ON
EBN853, EBN861 (Contrac)
Alarms / Errors
Actuator Temperature of
temperature Electronic Unit
(high / low) (high / low)
Behavior at critical
temp. MAN AUT
& &
Actuator
moves in
desired
operating
mode
Saved Alarms (Reset
Option)
29