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Troubleshooting (cont'd)
ELECTRICAL
SYSTEM
CHECK
AWARNING
(Use diagram
on page
41)
Label all wiring
before
disconnecting
any wiring;
to ensure
correct
reconnection.
Failure to follow
this instruction
could cause improper
and possible
dangerous
operation,
resulting
in DEATH, SERIOUS
BODILY INJURY, OR PROPERTY DAMAGE.
Visually
check that all compo-
No ................
nents are wired correctly accord-
Yes
i
ing to wiring diagram on unit.
/
I
,,
Correct by wiring according
to
Thermostat
is calling for heat.
diagram.
" ..................
(run cold water)
i
Yes
Go to "Thermostat
and Gas -._ .....
Supply Check" section.
No .........
Does
power
cord
or power
wiring have 110/120 volts avail-
[ ...................
able (receptacle and/or junction
box) with grounded connector?
[Supply 110/120 volts.
1_" .....
No ........
J
Yes
[Turn"ON".
]"_" ..................
No ..............
q Is on/off switch "ON'?
I
Yes
Is diagnostic
indicator
light/-.._
.................
No .................
Is diagnostic
indicator
light [
"ON"?
[
blinking?
l
i
I
No
i
[
Yes
_
Yes
Replace
J
Turn
power "OFF"
and back
control.
I "ON".
I
Does
the hot
surface
t
Is there
a 115V|
[Replace
ignitor glow after power
- No -'_" voltage
between
I-- No "-'_
is turned"ON"?
I1 andI2?
/
control.
Yes
Check
flame
sensor.
I_
I Does burner light-
Yes
MakesureitisplacedinF,.....-ithengo,out?.
_
I
,
*
I
flame.
I Replace hot surface ignitor assembly.
I
Yes
No
_,
"
.,
I
Replace hot surface
1
ignitor assembly,
r--- / Is blower running?
Yes
No
i
continued on next page
continued on next page
42
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