Trane *UH2D120A9V5VA - Field Wiring Diagram (2 Stage Heating;1 Stage Cooling); Wiring for 2 Stage Heating;1 Stage Cooling Thermostat

39
Service Facts
X343070P08
DEFINITION:
Polarity Fault – Incoming high
voltage wiring is reversed
Disconnect
incoming electrical
power to furnace
Reverse 120 vac
power leads to
furnace wiring
Reconnect power
Check operation
6 Flash Fault LED