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How do i clear the error 4 flash code on a train xe80 fur…

Customer Question
how do i clear the...
how do i clear the error 4 flash code on a train xe80 furnace
Submitted: 3 years ago.Category: HVAC
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Answered in 6 minutes by:
6/20/2015
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 23,155
Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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hello did you test the roll out switches?
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Customer reply replied 3 years ago
i replace the limit switch i need to clear the error cod of 4 flashes
Customer reply replied 3 years ago
its a trane xe 80 furnace
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
I realize that...but I ask....did you check the roll outs? They can also code 4
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Customer reply replied 3 years ago
didn't see any were would they be located
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
What are the first 3 spaces of model number?
I can then direct
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Customer reply replied 3 years ago
do not have it in front of me at a diff house
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
Infront of the burner area are 2 porcelin unit a with a fuse looking thing across the top,
generally they have 2 yellow wires going to each.
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Customer reply replied 3 years ago
yes saw that it was also replaced
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
Both of them?
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Customer reply replied 3 years ago
only saw one the inducer and blower come on but will not light and the four flash cod
Customer reply replied 3 years ago
code
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
You have 3 choices,,,
open limit (you replaced)
open roll out (you replaced at least1)
Bad circuit board
You can hunt for more....but that is the extent of that code...limit, roll out, circuit board
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Customer reply replied 3 years ago
to clear the flsh code do you need to reset anything on the furnace is it a lock out
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
no..the only way it clears is to close the circuit. It resets by itself when open is gone
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Customer reply replied 3 years ago
ok thanks i will have to dig deeper into this and do a complete check of all safety devices
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
you will see if you follow the wires it is a one loop safety circuit...power leaves board goes through circuit..and returns to board.
something in the circuit id open...OR....the board is bad.
If all set just rate service so I can move from active list.
Billy
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