Daikin LXE10E-A Service Manual page 145

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Symptom
The
Disconnection of
compressor
fuse Fu1 circuit
does not
operate
Faulty controller
Faulty PT/CT board
Power supply R or T-phase is
of the controller open
cannot be Faulty power supply
turned on (voltage drop)
Disconnection of
power cable
Faulty power plug
Disconnection of
fuse Fu5 circuit
Faulty transformer
A. Unit
operates but
soon stops
See the Alarm
(full stop)
Code table
E101, F101,
E103, E105,
E107, E109,
F109
B. Evaporator
fan runs, but
Thermo OFF
condenser
fan and (normal)
compressor
do not run.
C. Compressor
runs, but
Defrost (normal)
condenser fan
and evaporator
fan do not run.
Cause
Is the fuse Fu1 circuit
disconnected?
Replace the controller or
PT/CT board
Is the voltage
of three-phase power supply on the
primary side of the circuit breaker
300 V or less?
Is the fuse Fu5 circuit
disconnected?
Is the voltage at CN5
of TB1 20 V or less?
Replace the controller
6-3
Checkpoint
YES
Replace the fuse Fu1
NO
YES
＊R or T-phase is open
＊Faulty power supply
(voltage drop)
＊Disconnection of power cable
＊Faulty power plug
NO
YES
Replace the fuse Fu5
NO
YES
Replace the transformer TrC
NO
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Remedy
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