Trane S9V2B040U3VSAE - 06 Fault Code Reversed Polarity

104
S9V2-VS-SVX001-1B-EN
DEFINITION:
Polarity Fault – Incoming high voltage
wiring is reversed
Connect volt meter
to white incoming
neutral wire and
green earth ground
Does meter read
more than 50
vac?
Disconnect incoming
electrical power to
furnace
Wiring Error
Reverse 120 vac
power leads to
furnace wiring
Reconnect power
Check opera!on
Correct neutral and ground
problem. Furnace must be on a
dedicated circuit.
YES
06 Fault Code
Reversed Polarity
Is ~120 VAC
read?
NO
YES
Ensure that high voltage wiring
to unit is connected properly
Replace IFC
NO
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