Viessmann Vitoflame 100 Service Instructions Manual page 17

Further details regarding the individual steps
Checking ionisation current
1.
2.
Please note:
When checking with a
Testomatik Gas, test cable no. 1 is
required. You can also carry out
this check with a multimeter.
3.
Please note:
The system then initiates a fault
shutdown.
4.
5.
6.
Please note:
Ionisation current at least 5 mA.
7.
8.
9.
17