Operating instructions

11
FAULT FINDER
If your boiler is not operating, it is suggested that you go
through the following simple checks before either calling your
installer or the Worcester Contact Centre.
SYMPTOM POSSIBLE CAUSE CHECK/REMEDY
Red ‘Power On’
Indicator is not
illuminated.
‘Power On’ Indicator
illuminated only.
There is no electricity supply to
the boiler.
Boiler overheat thermostat has
operated
There is no demand requiring
the boiler to operate.
• Operating switch is on (See Fig. 2).
• Power supply is switched on.
• Check the fuse has not blown.
• If self resetting, allow time to reset.
• Press the reset button. (See section
‘Safety thermostat).
• Check boiler thermostat is set on
medium to high.
• Check the user operating switch is set
correctly.
• Check the programmer is programmed
for hot water and/or central heating and
re-programme if necessary. (See pro-
grammer operating instructions).
• If the boiler is programmed for central
heating, check the room thermostat is
turned on.
‘Power On’ &
‘Lockout’ indicators
bothe illuminated
The boiler has attempted to
ignite, but has gone to lockout.
• Remove the appliance front cover and
depress the lockout reset button on the
burner. (See section ‘Lockout’).
• Check the level in your oil tank and
replenish if necessary.