Weishaupt W-FM 100 Installation And Operating Instruction page 212

9 Troubleshooting
Fault Diagnostic Cause
codes code
A7 01 ... 08 Internal fault ABE
09 Burner is locked out via OFF function of ABE.
0A Internal fault ABE
0B Service message through burner starts
0C Save parameters failed
0D OilSettings was selected in the menu,
the fuel selection is set to Gas.
0E GasSettings was selected in the menu,
the fuel selection is set to Oil.
15 ... 1A Internal fault ABE
1B Error during data backup
1C ... 28 Internal fault ABE
30 Bus communication error
38 Interface mode could not be completed
[ch. 6.6.1]
40 Configuration error via software (PC tool)
88 ... 8A Internal fault ABE
(1
If occurring sporadically: Optimise EMC measures. If occurring continuously replace defective component.
83054802 1/2018-07 La
Installation and operating instruction
Combustion manager W-FM 100 und W-FM 200
212-228
Rectification
Check CAN Bus and Bus connection
[ch. 5.1].
(1
Internal fault
Reset W-FM, see [ch. 9.1].
Carry out service, reset start counter
[ch. 6.4.4].
Select fuel Gas [ch. 6.4.2].
Select fuel Oil [ch. 6.4.2].
(1
Internal fault
Reset W-FM, see [ch. 9.1].
Repeat data backup [ch. 6.16.1].
Check connection and settings [ch. 6.6.2].