Installation guide
GB 21
FAULTS  Faults table
FAULT CAUSE SOLUTION
A burner does not ignite. Control knob not kept 
pressed in far enough. 
(Only for B versions. For 
electronically protected 
appliances, see the On/Off 
button table).
Keep the control knob 
pressed in far enough 
between full and low. At 
first use this can take some 
more time because of the gas 
supply.
e burner does not burn 
evenly.
Burner parts incorrectly 
installed.
Burner parts dirty or damp.
Wrong type of gas used.
Assemble the burner parts 
using the centring ridges.
Clean and dry the burner 
parts, making sure that the 
outflow holes are open.
Check that the gas used is 
suitable for the appliance. If 
not, contact your gas fitter.
e burner goes out after 
igniting.
Control knob not kept 
pressed in long enough.
(Only for B versions. For 
electronically protected 
appliances, see the On/Off 
button table).
Keep the control knob 
pressed in for at least 
5 seconds.










