Trane NTXAMT A Series - 11-6. TROUBLESHOOTING FLOW

80
Check of power supply
Outdoor unit does not operate.
11-6. TROUBLESHOOTING FLOW
Turn ON the power supply.
No
Yes
Yes
No
No
Yes
Check the main power supply circuit for proper connections.
Is there voltage of 208/230 V AC in the
power supply terminal block?
Is the output voltage from the outdoor
power P.C. board 294/325 V DC?
Check the power supply cable.
Replace the outdoor power P.C. board.
Turn OFF the power supply and recconnect the reactor.
Is the reactor short-circuited?
Replace the reactor.
Replace the outdoor control P.C. board.
OBHT702