Installation and operating instruction
Fieldbus module EM3/2
6 Troubleshooting
83296302 1/2018-01 La
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6 Troubleshooting
In addition to this chapter, the installation and operating manual of the burner
should be observed.
Fault codes Cause Rectification
18h Second detailed fault code:
A1h
Invalid Bus address
Check Bus address
Second detailed fault code:
A5h
Configuration at output B4 incorrect
Check configuration at output B4
Second detailed fault code:
A9h
No Bus connection
Check Bus connection
Second detailed fault code:
EEh
Communication to W-FM 25 failed
–
Second detailed fault code:
EFh
Extension module to W-FM 25 not compatible
Check version
F9 Connection to Fieldbus faulty, reaction according
to parameter200 [ch.5]
Modbus:
no query within one minute
Profibus:
cyclic data flow was interrupted
Check Bus connection