Technical data

Servicing
72 POTTERTON COMMERCIAL
120-393 632.4 04.08 Fh
Burner does not start:
No voltage at the control and regulating centre, e.g. no “burner
ON“ signal from the heating circuit control (see fault code table).
Burner goes into fault status:
Without flame formation:
No ignition, ionisation electrode has earth connection, no gas.
Despite flame forming, the burner changes to fault status after the
safety period: Ionisation electrode defective or contaminated. Io-
nisation electrode does not immerse into the flame, boiler connec-
ted to wrong terminal (live and neutral reversed).
If the failure symbol appears, a fault exists in the plant. Further
information about the fault can be called-up by pressing the infor-
mation button.