Pr
ob
lem 12
Motor
“hums”.
Are
wires
disconnected
betw
een motor
and capacitor?
Ye
s
No
Reconnect wires
.
T
e
st f
or proper
oper
ation.
Def
ectiv
e motor or
capacitor
.
Replace
.
Pr
ob
lem 11
Gas
contr
ol
va
lv
e
“c
hatter
s”.
Is
proper v
oltage
to gas control
v
alv
e being
supplied?
Ye
s
No
Ye
s
Has proper gas
pressure been
v
e
rified?
Def
ectiv
e gas control
v
alv
e solenoid.
Replace entire v
alv
e
.
Chec
k f
o
r proper v
oltage
.
See heater nameplate
.
Ha
v
e
qualified electr
ician
correct if necessar
y.
Chec
k f
or proper inlet and
b
u
rner manif
old pressure
.
No
August 1999
5.1-1
10
Содержание AS040
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