MC • Edition 2023.04 • No. 298 073 Rev. 0
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20. Behaviour in the case of faults
If an error occurs, the MPA displays the detected error using coded information.
Attention: The cause of the detected error must be established.
If no impairment of function can be determined on connected equipment parts, the automatic burner control
system must be replaced.
19. Startup
The system must be in inspected by qualied personnel prior to initial startup or after modications have been made.
- Power supply
- Gas supply
- Gas leak-tightness
The MPA is supplied with continuous voltage; the program starts when mains voltage is provided to the heat
request input.
When “3” is shown in the display, the unit in operating mode.
Errors are displayed with F xx
The info display can be called up from the operating mode by pressing the + and Enter buttons.
The information display can be used to access information about the ame quality, the resettable operating
hours counter, the resettable start-up counter and the switching cycle counter.
This mode is exited again after 60 seconds if no further keys are pressed during this time.
18.2 Operating information: info display
Display of
ame quality in μA
Display of
resettable runtime
meter
Tens of thousands
digit
Display of
resettable runtime
meter
Hundreads digit
Display of
resettable runtime
meter
digit
Display of resettable
start counter
Tens of thousands
digit
from each info display state
Back to operation display
Display of
resettable start
counter
Hundreads digit
Display of
resettable start
counter
digit
Display of
switching cycle
counter V2
Tens of thousands
digit
Display of
switching cycle
counter V2
Hundreads digit
Display of switching
cycle
counter V2
digit
Back to operation display
Inside temperature
MPA in °C
At minus-
temperatures
A is substituted by
„-“
Software Version-
Index
Processor 1
Software Version-
Index
Processor 2
Software Version-
Index
Processor EM/x
Status FLW2 NO
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