Drives
Check that drives and servomotors are working
Check the operating speed of the induced draught fan when the
insulating door is closed
under the limit it must operate at 35 - 40%
Adjust using the “MIN Speed” parameter
Check that the door contact switch is working correctly
When the insulating door is open the induced draught fan runs at
100% speed.
Sensors
Check the sensor shown below in the digital input menu:
Sensor Layout Description
Door contact A 0 ... door closed, switch activated
A 1 ... door open, switch not activated
Set the switch point so that the induced
draught fan operates when the
insulating door is open.
Jam sensor Gravity shaft level sensor (opener):
A 0 ... Sensor covered
A 1 ... Sensor not covered
Jam sensor (closer):
A 0 ... Sensor not covered
A 1 ... Sensor covered
If only screw discharge is used, this
input is used for “Gravity shaft level
sensor”.
The jam sensor is used for suction
systems with screw discharge and is
mounted at the suction piece.
The setting is the same as sensor
“Level MAX”.
Setting sensor “Max level”
Max level Max level (opener):
A 0 ... Sensor covered
A 1 ... Sensor not covered
Set sensor “Max level”
Combustion
chamber excess
pressure monitor
A 0 ... fault, monitor has been triggered
A 1 ... Combustion chamber pressure OK
Used as opener contact. If the cable is
unplugged from the sensor, the
“Pressure monitor comb chamb” error
message is displayed.
Key switch (for
screw discharge
only)
Not displayed in menu When this is activated, the “Key switch
engaged” error message is shown.
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