27
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.
The flame of maximum
is smaller than normal
situation
(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.
Smell of combustion
Missing piece of ceramic
fireclay.
Inspect perimeter of each
plaque and locate place
where some fireclay has
been displaced.
Repair with PYRUMA and
leave to sot for approx.24
hours.
