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Troubleshooting Guide (cont'd)
Check #5 to ground for 110/120 L.__
VO rs. I-
Yes
Check#9 for 110/120 volts. I
No Yes
Check venting manual reset switch.
continued from facing page
_o-t_hec_#_togrouod/r110,_20_o,ts.I-.-_ot Isindicator,_htoo?I
I
Yes
Y
I Replace indicator light.
Secureair pressure line.
Replace air pressure switch.
Yes
b
t ls ¼" air pressure line secured to air
pressure switch with opposite end ]
- No --- secured to pressure tap on blower
housing? See 6 and 7.
I
Yes
t Is there venting restrictiOn Or lOw
- No -o voltage (ll0Vmin. req.)
I
Yes
IRem°verestricti°n°rc°rreCtlvoltage.
Replacethermostat.
]"_- No -'[ ls main burner on?
Yes
ALL SYSTEMS OPERATIONAL
35
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