26
EN
TROUBLESHOOTING
Sympton
Fault
Remedy
Pilot will not light
automatically
No spark across electrode
gap
(a) Ensure that piezo-
electric switch is
functioning correctly.
(b) Check that electrical
lead is not damaged.
Pilot will not light
automatically but points(a)
to (e) are satisfactory and
the pilot will light with a
match
Incorrect position of spark
in relation to pilot gas
flow.
Re-position spark plug so
that spark jumps across
gas flow.
Heater will not remain
alight when pressure is
released from ignition
button
Electro-magnetic valve
closes while heater is
alight.
(a) Ensure that
thermocouple probe is
located in pilot flame.
(b) Ensure good
connection between
thermocouple and valve.
(c) Check thermocouple.
(d) Check electromagnetic
valve.
After changing to
maximum position with all
three plaques alight one
or more plaques appear
below normal intensively
(a)Blocked jets.
(b)Partially blocked supply
tube
(a)Remove and clean
blocked jet.
(b)Remove supply tube,
remove jets and blow
through the tube.
Difficulty in cross lighting
from position 1 to position
2 or 3
(a)Air draught directed
away.
(b)Position of the pilot
flame.
(a)Change the location of
the appliance so that it is
not adversely affected by
air draught.
(b)Position pilot so that
impinges across bottom
corner of 2nd plaque as
well as 1st plaque.
