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Installation and operating instruction
Combustion manager W-FM 100 und W-FM 200
9 Troubleshooting
83054802 1/2018-07 La
198-228
9.2 Fault
If a fault occurs, the combustion manager initiates a controlled shutdown.
The display and operating unit alternately shows the shutdown behaviour and the
fault diagnosed as a plain text display.
Example
Safety
shutdown
Safety loop
is open
The burner restarts automatically as soon as the fault condition has been rectified.
Fault history
OperationalStat
FaultHistory
Parameter
FaultHistory
alternately shows the last 21 faults as plain text or
diagnostic display [ch. 9.4].
Select History using dial knob and confirm with [Enter].
Browse history with the dial knob.
The display changes every 5 seconds between plain text and diagnostic display.
The [Enter] key can be used to manually change the display.
Exit History using [esc] key.
Normal operation
Status/Reset
Fault history
Lockout history
Safety loop
is open
1 Class:00 Oil
Code:21 Phase:24
Diag:00 Load: 100
Start No. 18
21 Class:00 Oil
Code:26 Phase:60
Diag:00 Lst:42.5
Start No. 1232
5 sec
The diagnostic display provides information about:
Fault number (
1
…
21
)
Fault class (
Class:
)
Current fuel when fault occurred (
Oil
or
Gas
)
Fault code (
Code:
)
Operating phase when fault occurred (
Phase:
)
Diagnostic code (
Diag:
)
Load setting or stage when fault occurred (
Load:
)
Number of burner starts (
Start No.
)