Cantherm EC20 Manual - Página 8

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ftfrotor
runc
fuel
Causes:
1, Electrodes
2.
Transformer
3.
Conbol board
Solutions:
1.
Elecfodes
Gheck
the eledrodes
2.
Transformer
a good ground
mately
120
volts.
Do
tested
for
proPer
3.
Contol
board
to
the
hansformer.
lf
Motor
run$
fuel
Causes:
1. Pump
Pres$re
2. Etecbodes
3.
Nozzte dirty
or
4.
Ah
damper
seting
5:
Transformer
6.
Ducting is
i
7. Venting is
8.
Fuelontalns
Solutiom:
1. Pump prcssure
ment
to
set
he
2. Elecfodes
Check the
3.
Nozzle
dirtY
or
enough
use,
fuel
or
replace the
4.
Air damper
5.
Transformer
6.
Ducting is
7.
Venting
is
tut
no
spark is observed
or llapped
inmnecily.
ar;.
or
lapped inconectly.
Inspect
tre
elecbode
tips
for
melting.
Make
sure there are no.cracks
in
the
porcelain
insulation'
ith ire
manufacture/s specifications for gapping
and spacing.
Adjust or replace the electrodes as needed'
.
I ransformers requirc
a
ground conneclion
to
function
properly. Check
the transformer's
ground
wire or
mounling
tabs
for
n,
Use a
multi-meter set to measure
voftage. Check the
voltage
in
to
lhe
bansformer from the conhol
board
for approxi-
a
tempt to measuG
the
tansbrmer's
output vottage with an
ordinary
multi-meter.
The
tansformer
may also be bench
use
a
multi-meter set to measurc
voltage. Take
a
voltage reading on the controt
board
terminals that
send
input power
tvoftage
is not present,
Ure
contol
board is defective'
spark is
presen!
but
heater
will
not ignite
t
or gapped
inonecdY.
inipnect
v
eak,
as
'teeded.
is irrcorrecl
use
the manufacturcrs
specifications
for the
air
damper setting and adjust
m
needed'
is
rueak.
Remorre
the
tansformer
and
perfom
a bench
test
F
rllow the manufacturer's recommendations conceming
maximum
duc{ length and diameter'
Fntaminants.
;L
Using
a
high pressure fuel gauge,
ctreck dre
ou$ut
pressure
of
fre
fuel pump'
lf
necessary' use'the
pump's
adjust
;sure
to the manufacturer's specificatjons'
o'gappedinmrrectly.lnspecttree|ecbodetipsformelting.Makesuretherearenocracksintheporce|aininsu|ation.
itlr
he
manufacurers
specmcations
for gapping
and spacing.
Adjust or replace the elecbodes as needed'
(
lean
tre
nozle
using compressed
air. Never use anything metal
to clean the nozzle
as ttris
may
enlarge
the orifice'
with
n
1
under high pressure
frru
fre
nozle
orifice can enlarge
ire
onfice' This is especially
true
wtren
diesel fuel
is used'
Clean
:
F
tllow the
manufaiturer's
guidelines
for
venting'