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12. Trouble shooting
12.1 Error handling
On occurance of a fault, steam production is
stopped. The control panel display is
switched to error code output. In the same
instance, the general fault icon starts
flashing.
On „Steam production“, „Main contactor“,
„Filling“ and „Blow-down“ faults, the respec-
tive icon is additionally blinked.
12.1.1 Table of possible faults and
related error codes
Icons
Code
Error message
Possible cause
Counter measure
000
No error
001
Sensor plug (ST09)
•
Plug not attached or
loose
•
Check plug
020
021
*)
Min./max. reference for
voltage control signal
not correct
Software has detected
implausibility
•
Sensor, input wiring
or signal source not
correct
•
Check sensor, signal
cable and signal
source, if applicable
•
Input stage defective
•
Replace main PCB
022
023
*)
Min./max. reference for
current control signal
not correct
Software has detected
implausibility
•
Sensor, input wiring
or signal source not
correct
•
Check sensor, signal
cable and signal
source, if applicable
•
Input stage defective
•
Replace main PCB
024
025
*)
Min./max. reference for
resistive control signal
not correct
Software has detected
implausibility
•
Sensor, input wiring
or signal source not
correct
•
Check sensor, signal
cable and signal
source, if applicable
•
Input stage defective
•
Replace main PCB
*) When a PI controller is in use, errors 020-025 relate to the sensor output signals. With an
external controller the controller output signal is concerned.
027
System failure
•
Main PCB is defec-
tive
•
Replace main PCB
