START
YES
Make sure the gas
supply is turned ON
and check if other
gas appliances are
operating (e.g. fire,
cooker). If the
property has a
prepayment meter
ensure it has
sufficient credit.
NO
If no gas, consult
your supplier.
YES
Error
Code
Error
Symbol
(e.g. press and hold for 5 seconds)
Is there electricity to the
boiler ? Is the display lit ?
NO
Check electrical supply to
boiler is switched on.
Is the E and R symbol
illuminated or flashing ?
YES
R
Press the Reset Button
R
Reset
Reset
Button
YES
Boiler
Temperature
R
Burner Flame
(Indicates burner
is on)
OR
Flame
Reset
Failure
Symbol
Spanner
Symbol
If it does
not reset
SERVICE ENGINEER.
2
1
3
0
4
bar
Is the Burner Flame
showing.
YES
R
Boiler operating
satisfactorily.
Is the Spanner symbol
illuminated or flashing ?
YES
R
CONTACT YOUR
INSTALLER OR
NO
Central
Heating
PN-0000638