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Installation and operating instruction
Combustion manager W-FM 100 und W-FM 200
9 Troubleshooting
83054802 1/2018-07 La
213-228
Fault
codes
Diagnostic
code
Cause
Rectification
A9
01 … 1F
Internal frequency converter module has sig-
nalled a fault
01 … 09
Internal frequency converter module fault
Internal fault
(1
0A
Speed or fuel meter not plausible, interfer-
ence on the line
Check line installation.
Use screened line.
Internal fault
(1
0C
Signal from frequency converter at alarm in-
put X73:3 [ch. 3.4.11]
Read fault code from frequency converter
0D
Frequency converter module can not com-
pensate the speed difference
Check current signal for frequency
converter [ch. 6.14.5].
The current signal of the W-FM must be
matched to the frequency converter.
Carry out speed standardisation
[ch. 7.2.1.1].
The burner requires re-commissioning after
each standardisation.
0E
Error internal speed calculation
Internal fault
(1
15
CAN-Bus connection error
Check CAN Bus and Bus connection
[ch. 5.1].
16
CRC error of parameter page
Reset W-FM, see [ch. 9.1].
If the error occurred during a parameter
change:
Check parameter that was last changed for
plausibility.
If the reset does not achieve a fault free con-
dition:
Load data from the ABE [ch. 6.16.1].
If none of the actions listed leads to a fault
free condition:
Replace W-FM.
17
Page was open too long
18
Page has been corrupted
19
Invalid access to parameters
1B
Error when copying a parameter page
1E
Invalid position range in drive command
Check SpecialPositions.
Valid position range: 0 … 100°
1F
Internal plausibility fault
Internal fault
(1
(1
If occurring sporadically: Optimise EMC measures. If occurring continuously replace defective component.
Summary of Contents for W-FM 100
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