A.O. Smith BFM 80 - Manual (Page 30)

30
Re-instate gas supply
and reset water heater
Water heater in
in operation?
Gas supply
present?
Problem
solved
IONISATION PROBLEMS.
Carry out 3 RESET cycles to make
sure the pilot is provided with gas.
Check gasconnections towards the
pilot burner. Carry out one more
RESET cycle. If no operation is valid
replace the entire PILOT BURNER
assy. RESET water heater after
replacing the PILOT BURNER
Water heater
in operation?
Problem
solved
Check
voltage on
PRIMARY CIRCUIT,
TRANSFORMER
Check
voltage on
SECUNDARY CIRCUIT,
TRANSFORMER
Ensure connections
correct
Problem
solved
Ensure connections
correct. If yes replace
transformer
no no
no no
no
yes yes
yes
yes
yes