19
Problem
LED
C
on
s
tant
O
n
LED
L
ig
h
t
N
ot
O
n
Dur
ing a
C
a
ll
fo
r Heat
.
N
o
rm
a
l
Op
e
ration
Is Heat
er
Plugged In?
Is
Select
or Switch
Set t
o
“Heat”?
Plug heat
er in.
Mo
v
e
the Select
or
Switch t
o
the
“Heat” P
osition.
Ye
s
No
Ye
s
Ye
s
Ye
s
Ye
s
Is
Thermostat
Set A
b
o
v
e R
oom
Te
m
perature?
Set Thermostat
A
b
o
v
e R
oom
Te
m
perature.
Is
Thermostat
Def
ectiv
e? Check
for Continuity
.
Is
Pr
oper
V
oltage Supplied
to
Heat
er P
o
w
er Cor
d
and Thr
ough
P
o
w
er
Cor
d?
Check Dataplat
e f
o
r
Electrical Supply
R
e
q
uirements. Pr
o
vide
Pr
oper V
oltage F
rom
Electrical Supply
. Check
Cir
cuit Break
er
s in Building
Electrical Syst
em. Check
P
o
w
er Cor
d f
or Continuity
.
R
eplace Thermostat
R
eplace Select
or Switch
Are 2
4
V
olts
Supplied fr
om
Transf
ormer?
R
eplace T
ransf
ormer
No
No
No
No
No
No
Ye
s
Are
2
4
V
olts Supplied
to
Ignition
Module?
P
oor Electrical Connection
or Br
ok
en Wire Present.
R
epair or R
eplace.
Ye
s
LED Light in Module is Def
ectiv
e.
R
eplace Ignition Module.
Is
Pr
oper
V
oltage Supplied t
o
Transf
ormer?
Check Electrical
Connections and P
o
w
e
r
Supply t
o
T
ransf
ormer
.
R
epair as Necessar
y
.
No
Ye
s
Ye
s
Is
Select
or
Switch Def
ectiv
e?
Check f
or
Continuity
.
No
HEA
TING MODE PR
OBLEMS
Содержание AW250
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Страница 26: ...25 Electrical Connection and Ladder Diagram...
Страница 28: ...Parts Identification PARTS SCHEMATIC 27...