Troubleshooting - Potterton Performa 9 SL HE User's Manual And Important Warranty Information

Boiler not working
START
Make sure the gas
supply is turned ON
and check if other
gas appliances are
operating (e.g. fire,
cooker).
Mains ON Light
(Green)
NO
If no gas, consult
your supplier.
YES
Lockout
(Red)
Temperature
Control Knob
4
© Baxi Heating UK Ltd 2008
Is there electricity to the
YES
boiler ? (Green Mains ON
Light lit).
NO
Check electrical supply to
boiler is switched on.
Is the Red Lockout Light
illuminated or flashing ?
YES
Turn the Temperature Control
Knob to the off (•) position and
when the red light goes off.
Turn control knob back to
required setting.

2.0 Troubleshooting

Is the Green Burner ON
YES
Light lit).
Burner ON Light
(Green)
CONTACT YOUR
INSTALLER OR
SERVICE
ENGINEER.
If the light
does not go
out or keeps
coming on.
NO
YES
Boiler operating
satisfactorily.