L.B. White 170 Tradesman Portable Forced Air - Manual (Page 22)

TRADESMAN HEATER
F
an motor does
not run, heater does not light.
Is pr
oper v
oltage
supplied t
o
heat
er?
Pr
o
vide pr
oper v
oltage t
o
heat
er
.
Check breajer and e
xt
ension
cor
ds.
No
Is
thermostat
set abo
v
e
r
oom
te
m
perature?
Set thermostat
abo
v
e
r
oom
te
m
perature
Is pr
oper
v
oltage
supplied t
o
thermostat?
Check po
w
er cor
d
and electrical supply
.
Is pr
oper
v
oltage supplied
to
ignition
contr
ol?
Def
ectiv
e thermostat.
Does f
an mo
to
r
star
t?
Check f
or v
oltage fr
om ignition contr
ol t
o
f
a
n
mo
to
r.
If mo
tor receiv
es v
oltage but does no
t
star
t, replace the mo
to
r.
If mo
tor does no
t receiv
e v
oltage fr
om the
ignition contr
ol, replace the ignition contr
ol.
22
Problem
Ye
s
Ye
s
Ye
s
Ye
s
No
No
No
No
Heater lights but will not stay lit.
Is pr
oper
v
oltage
supplied t
o
heat
er?
Is ignit
er clean?
Is
high v
oltage
lead securely
connect
ed?
Check electrical
supply
. If e
xt
ension
cor
ds are used,
ensure pr
oper wire
gauge.
Clean and check gap.
No
Connect high v
oltage lead?
Problem
Is pr
oper fuel
supplied t
o
heat
er
inlet?
Connect pr
oper
gas supply t
o
heat
er
. Open all
gas shut
of
f v
alv
es.
No
Is pr
oper gas
pressure supplied
to
heat
er?
Pr
o
vide pr
oper gas
supply pressure t
o
heat
er
. R
e
fer t
o
dataplat
e. If LP gas is
used, ensure LP container is full.
No
Is the heat
er
pr
operly
gr
ounded?
No
Ensure all
gr
ounds are
connect
ed.
Ye
s
Is
ignit
or
crack
ed? No
R
eplace
ignit
or
.
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No