Daikin LX10F11B3 User Manual

Symptom Cause Checkpoint Remedy
Ⅰ
Unit does not operate
F. Controller does
not turn on.
・ R or T-phase is
open.
・ Faulty power
supply (voltage
drop)
・ Disconnection of
power cable
・ Faulty power plug
・ Disconnection
of fuse F1U (I/O
board) circuit
Faulty transformer
YES
YES
Is the
voltage of three-
phase power supply on the
primary side of the circuit
breaker AC300V
or less?
Is the fuse F1U circuit
opened?
Is the voltage
at X30A (I/O board)
AC20V or less?
＊R or T-phase is open.
＊Faulty power supply (voltage drop)
＊Disconnection of power cable
＊Power plug failure
＊Replace fuse F1U
＊Check open circuit
NO
NO
NO
YES
Replace the transformer Tr1.
Replace I/O board.
Ⅱ
Unit operates but soon stops.
A. Unit operates
but soon stops
(full stop).
Refer to the Alarm
code list.
─── ───
B.
Evaporator
fan runs, but
condenser fan
and compressor
stop soon.
Cooling OFF
(normal)
─── ───
C. Compressor
runs, but
condenser fan
and evaporator
fan stop.
Defrost (normal) ─── ───
2-46
02章45-54LX10F11B3TR16-02En.indd2-4602章45-54LX10F11B3TR16-02En.indd2-46 2016/02/029:37:422016/02/029:37:42
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Daikin LX10F11B3 Specifications

General

Brand	Daikin
Model	LX10F11B3
Category	Inverter
Language	English