Roberts Gorden Vantage twin Fire Unitary Infrared Heater TF-250 - Manual (Page 60)

TF-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL
54
13.1 Troubleshooting Flow Chart
Chec
k w
iring bet
w
een
the po
w
er cor
d, b
lo
w
er
mot
or and tr
ansf
or
mer
.
No
R
eplace ignition module
.
R
eplace pr
essur
e s
w
itch.
R
econnect tr
ansf
or
mer
w
ire
s.
Place a jumper w
ire
acr
oss each pr
essur
e s
w
itch.
Is ther
e a spar
k?
Ye
s
No
R
eplace tr
ansf
or
mer
.
R
emo
ve the b
lue and y
ello
w
w
ires fr
om the tr
ansf
or
mer
.
Is ther
e 24
V at the
transf
or
mer secondar
y?
No
Ye
s
Is the v
olt
age
at the tr
ansf
or
mer b
lac
k
and whit
e leads 1
20
V?
Ye
s
R
epair
, r
eplace or tight
en
hoses as necessar
y.
Ar
e the air hoses t
o the
pr
essur
e s
w
itches secur
e
and leak fr
ee?
No
Ye
s
C
ar
efull
y r
eset the
spar
k g
ap t
o 1/8" (3 mm).
R
eplace ignit
er
s and
ignition w
ires as needed.
R
emo
ve
obstr
uction.
Is the v
ent pipe or the inlet
of the b
ur
ner obstr
uct
ed?
Ye
s
No
Ar
e the ignit
er g
aps
set at 1/8" (3 mm)?
Ye
s
No
Unplug b
ur
ner and chec
k
ignit
er
s and ignition w
ires
.
Ar
e the
y damaged?
No
Ye
s
Is ther
e spar
k
at the ignit
er
s?
No
Blo
w
er bear
ings ma
y
ha
ve f
ailed.
R
eplace b
lo
w
er
.
R
eplace b
lo
w
er
.
Chec
k r
ela
y w
iring
(if applicab
le) and w
iring
to the b
ur
ner
.
Chec
k ther
most
at w
iring
and r
eplace ther
most
at if
necessar
y.
Is the b
lo
w
er
obstr
uct
ed?
No
R
emo
ve
obstr
uction.
Ye
s
Unplug b
lo
w
er
. Does
the b
lo
w
er tur
n fr
eel
y?
No
Ye
s
Is ther
e po
w
er (1
20
V) at
the b
ur
ner?
Ye
s
No
Place a jumper acr
oss the
ther
most
at t
er
minals
.
Does the b
lo
w
er tur
n on?
No
Ye
s
Tu
rn up ther
most
at.
Does the b
lo
w
er tur
n on?
No
Ye
s