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Troubleshooting Guide (cont'd)
Check #5 to ground for 110/120 [_._
volts. I-
Yes
Check #9 for 110/120 volts.
.I
No Yes
Check venting manual reset switch.
r
' IYes
_' Yes
[ Replace indicator light. ], €
. Is ¼" air pressure line secured to air
_ pressure switch with opposite endSecure air pressure line. - No "-" secured to pressure tap on blower
housing? See 6 and 7.
I
Yes
_'_ t Is there venting restriction or low
F
Replace air pressure switch. - No -- voltage (110V min. req.)
|
I
Yes
Remove restriction or correct_
/
voltage.
J
continued from facing page
1
No -fCheck#8togroundforll0/120volts. t4-No -t lsindicator light on?
I Replace thermostat.
_,_-- No -f Is main burneron?
Yes
l
I ALL SYSTEMS OPERATIONAL
38