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Troubleshooting (cont'd)
ELECTRICAL SYSTEM CHECK
=t WARNING
(Use diagram
on page 37)
Label all wiring before disconnecting any wiring;
to ensure correct reconnection. Failure to follow
this instruction could causeimproper and possible
dangerous operation, tesu|tingin DEATH,SERIOUS
BODILYINJURY,OR PROPERTYDAMAGE.
Visually check that all compo- I
No ................
nents are wired correctly accord-
' Yes
i
ing to wiringdiagram on unit.
l
according to
[ Thermostat is calling for heat.
l Correct by wiring
..................
1 (tun cold water),
diagram.
Yes
Go to "Thermostat
and Gas _. .....
I
SupplyCheck" section.
No ........
J
Does power cord or power
| wiring have 110/120 volts avail-
[ ...................
_ able (receptacle and/or junction
i
/ box) with groundedconnector?
I Supply 110/120 volts.
['.q- . ....
No .........
-
a
Yes
I Turn"ON''
I" ..................
No ..............
_s oldoff switch "ON"?
[
--
I
Yes
t
..............
_Is diagnostic indicator light
Is diagnostic
indicator light
._ .................
No -
/blinking ?
"ON"?
I
I
No
Yes
i
- Yes
_
back
[ Replace control.
]
Turn power "OFF" and
"ON".
I
,Does the h ot ,ur'ace
t
ylsthere
allSV t jRepXa
i nitor low after ower
-_._]voltagebetween
-- No "-
_control.
l_sgturne_ON. ?
p
-- No
lland12?
l
I
Yes
Make sure it is placed in _-'[
then go,out?
I Replacehot surfaceignitor assembly. I
flame.
No
Yes
I Rel?lacehot surface
r__. _ is blower running?
Yes
igmtor assembly.
No
continuedon nextpage
continuedon nextpage
38
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