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Manuals
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Trane Manuals
Air Conditioner
NTXWPH A Series
Service manual
Trane NTXWPH A Series Service Manual page 80
Indoor/outdoor unit
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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11-6. TROUBLESHOOTING FLOW
Outdoor unit does not operate.
Check of power supply
Check the main power supply circuit for proper connections.
Turn ON the power supply.
Is there voltage of 208/230 V AC in the
power supply terminal block?
Yes
Is the output voltage from the outdoor
power P.C. board 294/325 V DC?
No
Turn OFF the power supply and recconnect the reactor.
Is the reactor short-circuited?
Yes
Replace the outdoor power P.C. board.
OBHT702
No
Check the power supply cable.
Yes
Replace the outdoor control P.C. board.
No
Replace the reactor.
80
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