Trane S8B1B080M4PSBA Service Facts

S8XB-SF-2B-EN
37
DEFINITION:
Polarity Fault – Incoming high voltage
wiring is reversed
Connect volt meter
to white incoming
neutral wire and
green earth ground
Does meter read
~120 vac?
Disconnect incoming
electrical power to
furnace
YES
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
6.1 Fault Code
DEFINITION:
Ground Fault - Incoming or chassis
ground connec!on is not sensed
Connect volt meter
to black incoming
and chassis ground
at burner box
Does meter read
~120 vac?
Disconnect incoming
electrical power to
furnace
NO
Correct earth
ground.
Check opera!on
Check / correct all
ground connec!ons
within furnace for
con!nuity
Disconnect incoming
electrical power to
furnace
YES
Check opera!on
6.2 Fault Code
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Trane S8B1B080M4PSBA Specifications

General

Brand	Trane
Model	S8B1B080M4PSBA
Category	Furnace
Language	English