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HE 5750 Operating Instructions
#371627 Version 1.1
11.3.1 Sensor error
Error Message
Criterion
Error cause
Analog-In
Sensor break
Analog-In
Sensor short circuit
Analog input at Master open or short
circuited.
- sensor error
- sensor not connected
- system description does not
correspond to the actual hardware.
Analogue values may be read with the Masters or with analogue input cards in the damper
controllers. Which inputs are used has to be defined with the software ‘SmartTool’.
11.3.2 Pressure error
Note!
Parameters that can possibly be set wrong, are highlighted in
italic
letters
in the following table.
Error Message
Criterion
Error cause
Delta-p High Alarm 1
Pressure exceeds the defined limit
for Alarm 1
- Delta-p High Alarm 1
too low
- sudden dust rise
Delta-p High Alarm 2
Pressure exceeds the defined limit
for Alarm 2
- Delta-p High Alarm 2
too low
- sudden dust rise
Delta-p Low Alarm
Pressure is below the defined limit
- Delta-p Low Alarm
too high
- no gas flow
Delta-p
Sensor error
Value complies to the highest or
lowest limit, HE 5910 unit reports
error
- open wire to sensor
- short circuit at sensor
System Pressure
High Alarm
System pressure exceeds the
defined limit
-Compressed air supply defect
- Pressure High Alarm
to low
System pressure
Low Alarm
System pressure to low
-Compressed air supply defect
-
Minimum pressure
set too high
System pressure
sensor error
Value complies to the highest or
lowest limit, HE 5910 unit reports
error
- open wire to sensor
- short circuit at sensor