Fault Finder - Worcester HEATSLAVE 12/14 User Instructions & Customer Care Manual

12
G
The appliance has been installed for more than 1 year but less
than 2 years and has not had a first annual service by an
approved company.
G
Our Field Service Engineer finds no fault with the appliance
(see note).
G
The cause of breakdown is misuse or with other parts of your
plumbing/heating system, or with equipment not supplied by
Worcester.
NOTE: Invoices for attendance and/or repair work carried
out on your Worcester Heatslave boiler by any third party will not
be accepted.

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
Worcester.
SYMPTOM POSSIBLE CAUSE
Red 'Power On' There is no electricity supply
Indicator is not to the boiler.
illuminated.
Boiler internal fuse has blown. • Check Fuse F1 on boiler PCB Board.
'Power On' Indicator There is no demand
illuminated only. requiring the boiler to operate.
Boiler overheat thermostat
has operated.
'Power On' & 'Lockout' The boiler has attempted
indicators both to ignite, but has gone to
illuminated. lockout.
OR
OR
CHECK/REMEDY
• Power supply is switched on.
• Check the fuse has not blown.
• Check boiler thermostat is set on
medium to high.
• Check operating switch (or programmer)
is set for hot water and/or central heating
and re-set if necessary. (If programmer is
fitted see operating instructions).
• If the boiler is programmed for
central heating, check the room
thermostat is turned on.
• Check the pressure gauge indicator
needle and re-pressurise if necessary.
(See section "Sealed System Operation".)
• Press overheat thermostat reset button.
(See section "Overheat Thermostat".)
• Check the level in your oil tank &
replenish if necessary.
Remove the appliance front cover and
depress the lockout reset button on the
burner. (See section "Indication Lights".)