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SiBE04-101
iv
Drawings & Flow Charts
Power Supply Abnormalities or Faulty Indoor
PCB
.................................................................97
Power Supply Waveforms Check
........................121
Power Transistor Check (Capacitor Voltage
Check)
...........................................................122
Powerful operation in cooling mode
.......................32
Pre-heat Operation
................................................30
principle for fan speed control for heating
..............27
principle of fan speed control for cooling
...............27
R
Rectifier Check
.....................................................124
Refrigerant System Check
...................................123
Removal of 4-way Valve
......................................143
Removal of Compressor
......................................145
Removal of Electrical Box
....................................134
Removal of Motorized Valve
................................144
Removal of Outer Panels and Fan Motor
............130
Removal of Partition Board and Reactor
.............140
Removal of Sound Insulation for Compressor
.....142
RXD50 / 60 / 71J Series
Control PCB
.....................................................14
Filter PCB
........................................................15
S
Service Check Function
ARC417 Series
............................................... 85
ARC423 Series
............................................... 86
Signal Transmission Error (between Indoor and
Outdoor Units)
................................................ 98
Swing Angle Range
............................................... 26
swing range
........................................................... 25
T
Thermistor Resistance Check
............................. 119
Troubleshooting with the LED Indication
............... 83
V
Vertical direction
Cooling, Dry, Fan
............................................ 24
Heating
........................................................... 24
W
Wet Operation Protection
...................................... 40
Wiring Diagrams
Indoor Units
.................................................. 150
Outdoor Units
................................................ 151
SiBE04-101.book Page iv Monday, October 15, 2001 3:08 PM