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T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g
DEFINITION
An error has occurred with the PS2, indica ng that the pressure
switch is closed when it should be open.
In most cases, the pressure switch is not the problem.
NOTE: Verify pressure switch wiring and tube rou ng
are correct.
66
Cycle power OFF, then ON to
Replace pressure
NO
switch
3.3 Fault Code
the furnace
Is 24 volts present,
measured across PS2?
YES
(brown to yellow)?
See Note #1
Note #1
24 volts = Open Switch
0 volts = Closed Switch
Verify wiring
S8XB-SVX001-1B-EN
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