72
FAULT FINDING
Indicator lights
(TURBOmax Plus only)
The boiler control panel also contains
three indicator lights whose function is
as follows:
● Red lock out indicator (1), when
illuminated boiler is at lock out.
● Yellow flame indicator (2), when
illuminated main burner is ignited.
● Green warmstart indicator (3)
Illuminated = Warmstart switched
ON
Not illuminated = Warmstart is
switched OFF and there is no
demand for hot water
Flashing = There is either a
demand for hot water or warmstart
Indicator lights
(THERMOcompact only)
The boiler control panel also contains
three indicator lights whose function is
as follows:
● Red lock out indicator (1), when
illuminated boiler is at lock out.
● Yellow flame indicator (2), when
illuminated main burner is ignited.
● Green indicator (3) is illuminated
but has no function.