Stovax PR0731 - Manual (Page 16)

REPLACE BATTERIES BEFORE ATTEMPTING TO RECTIFY ANY
FAULTS.
IF THE FIRE DOES NOT WORK, BUT HAS WORKED IN THE
PAST:
• CHECK THE EMERGENCY SHUT OFF SWITCH
ON THE BOTTOM OF THE APPLIANCE IS
SWITCHED ON, SEE USER SECTION, PAGE 6
16
SERVICING INSTRUCTIONS
SERVICING / FAULT FINDING CHARTS
IGNITION
FUNCTIONAL
CHECK
1
PILOT
WILL
NOT
LIGHT
Ensure
there
is
no
debris
around
the
pilot
assembly,
(e.g.
soot,
etc.)
which
could
short
the
spark,
clean
the
area.
Operate
the
valve.
Is
there
a
spark?
Consult
User
Instructions
and
retry.
Check
alignment
of
pilot
burner
head,
change
the
ignition
lead.
Change
the
electrode
See
Replacing
Parts,
section
5.
Check
isolation
tap
and
gas
meter,
retry.
Correct
and
retry.
Purge
the
gas
pipes
and
retry.
GO
TO
THE
NEXT
CHART,
IGNITION
FUNCTIONAL
CHECK
2
SYSTEM
OK
There
is
a
blockage
in
the
system,
check
the
inlet
test
point,
the
mag
seating
and
valve.
Check
thermocouple
leads
for
correct
orientation,
condition
and
connection
Is
the
gas
turned
on
to
the
appliance?
Is
the
gas
pressure
correct?
Has
the
system
got
any
air
in
it?
Does
the
pilot
light?
Is
the
control
being
operated
correctly?
Will
the
pilot
light
with
a
match?
No
Yes
No Yes No Yes Yes No
No
Yes
No
No
Yes
Yes
1. SERVICING REQUIREMENTS
This appliance must be serviced at least once a year by a
competent person.
All tests must be serviced by best practice as described by the
current CORGI recommendations.
1.1 Before any tests are undertaken on the appliance:
• Conduct a gas soundness test for the property to ensure
there are no gas leaks prior to starting work.
1.2 • Fully check the operation of the appliance
Special checks
1.2.1 Clean any lint or fluff from the pilot
1.2.2 Clean away any fluff or lint from under the burner
1.2.3 Check the spark gap on the pilot is correct
• Correct any faults found during the initial tests
• Re-commission the appliance conducting the usual safety
checks
1.3 Advise the customer of any remedial action taken.
Symptom Cause Remedy
3 Short beeps from
control Batteries low in
appliance Replace appliance
batteries
No ignition, 5 second
continuous tone (there
may be several short
beeps before) 1. On/Off switch is in
OFF position
2. Loose/damaged
wire 1. Move switch to
ON position
2 Check interuptor
bloack and wires
No ignition, no tone,
motor turns slightly when
operated Receiver board
damaged Replace receiver
No pilot flame and
control continues to
spark Thermocouple circuit
wired incorrectly Correct wiring
Pilot lights, control
continues to spark, value
shuts down after 10 - 30
seconds
1. No spark at pilot
burner
2. Loose/damaged
wire
1. Rectify spark at
pilot burner
2. Check interrupter
and wires
Electronic Control Valve Fault Analysis