Original message
| jaybird1
 |  "its cold in here"
, posted Wed 31 Jan 10:05  
I have a Fraser-Johnston (Luxaire) g9t... furnace that wont fire.The igniter doesn't glow. I have 4.85 volts to the ignitor when the stat is calling for heat. the controll board flashes four red fast,nothing for 10 seconds then 4 red again.
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Replies:
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| acefurnacefxr
| "Re(1):its cold in here" , posted Wed 31 Jan 10:53
On most units a code 4 is off on high limit.
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| | jaybird1
| "Re(2):its cold in here" , posted Wed 31 Jan 11:16
if I bypass the high limit (ie short the 2 leads) to get temporary heat will it destroy the control mod?
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| | acefurnacefxr
| "Re(3):its cold in here" , posted Wed 31 Jan 12:13
No but u may burn your house down
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