21
P
PR
RO
OB
BL
LE
EM
M
C
CA
AU
US
SE
E
R
RE
EM
ME
ED
DY
Y
P
Piillo
ott d
do
oe
ess n
no
ott lliig
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htt
II))
Gas service cock closed
Open service cock
IIII))
Air in pipe
Purge line
IIIIII))
Pilot injector blocked
Clean or change
IIV
V))
No Ignition spark
Check electrode, lead and ignitor
P
Po
oo
orr P
Piillo
ott F
Flla
am
me
e
II))
Pilot injector dirty
Clean or change
IIII))
Wrong injector
Change for correct diameter
IIIIII))
Pilot head blocked
Clean
IIV
V))
Faulty pilot tube
Clean or replace
V
V))
Pilot injector loose
Tighten
P
Piillo
ott o
on
nlly
y
II))
Microswitch out of adjustment
a) Check microswitch high speed
operation, see Section 5.4
b) Adjust micro switch, see Section 7.13
P
Piillo
ott w
wiillll n
no
ott sstta
ay
y a
alliig
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II))
Pilot flame poor
(See 8.2) Above
IIII))
Faulty flue
(See 8.3) Above
IIIIII))
Thermocouple not working
a) Check connection clean and tighten
as necessary
b) Replace it output less than 8 mv.
IIV
V
)
Thermoelectric valve faulty
Replaced if drop out greater than 5 mv.
V
V))
Gas pressure low/variable
Check at inlet to appliance (see 5.2)
V
VII))
Terminal wrongly positioned
Re-position (see 2.4)
V
VIIII))
Badly assembled flue
Re-fit check sealing
a) Check operation (see 5.5)
b) Adjust (see Section 7.11)
IIX
X
)
Pressure switch faulty
Replace (see 7.10)
X
X))
Plug loose on PCB
Secure
X
XII))
PCB faulty
Replace (see 7.8)
M
Ma
aiin
n b
bu
urrn
ne
err d
do
oe
ess n
no
ott lliig
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II))
Gas service cock not open fully
Open fully
IIII))
Gas pressure low
Check at manifold and at inlet with the
appliance running (see page 3 and 5.2)
IIIIII))
Water flow rate low
Check if water rate sufficient (see page 3)
IIV
V))
Gas valve not opening
Check (V) and (VI)
V
V))
Diaphragm punctured
Change diaphram (see Section 7.5)
V
VII))
Venturi blocked or loose
Check venturi
V
VIIII))
Gas control tap faulty
Check operation of User’s gas control tap
V
VIIIIII))
Slow ignition device screwed fully home
Adjust (see 5.3)
B
Bu
urrn
ne
err g
go
oe
ess o
ou
utt o
on
n h
ho
ott
II))
Fan not switching to high speed
a) Check it is fully opened
w
wa
atte
err d
de
em
ma
an
nd
d
b) Adjust micro-switch (see 7.13)
c) Micro-switch defective - replace
(see Section 7.12)
d) Fan defective - replace (see 7.7)
IIII))
Pressure switch out of adjustment
a) Check pressue switch operation (see 5.5)
b) Adjust pressure switch (see 7.11)
c) Pressure switch defective - replace (see 7.10)
IIIIII))
Low pressure tube detached
Refit or replace (see 7.10)
IIV
V))
High pressure tube blocked
Check and clean (see 7.10)
V
V))
Flue blocked
Check and clean, and ensure that the
flue declines from appliance (see 3.2)
V
VII))
PCB faulty
Replace (see 7.8)
FAULT FINDING CHART FOR BRITONY FLEXIFLUE
8
8..1
1..
8
8..2
2..
8
8..3
3..
8
8..4
4..
8
8..5
5..
8
8..6
6..