Panasonic U-4..6ML5XPQ, Service Manual

Page: 282 / 283

iv Drawings & Flow Charts
malfunction of transmission between centralized
remote controller and indoor unit ..................206
malfunction of transmission between indoor and
outdoor units in the same system .................198
malfunction of transmission between indoor units and
outdoor units .................................................194
malfunction of transmission between inverter and
control pc board ............................................187
malfunction of transmission between main and sub
remote controllers .........................................197
malfunction of transmission between optional
controllers for centralized control ..................208
malfunction of transmission between remote
controller and indoor unit ..............................196
method of replacing the inverter’s power transistors
modules ........................................................254
O
operation lamp blinks ...........................................212
operation mode ......................................................48
operation of the remote controller’s inspection /
test operation button .....................................132
outdoor unit pc board layout ...................................86
P
pc board defect ....................................143, 163, 207
piping diagrams ....................................................222
power supply insufficient or
instantaneous failure .....................................191
pressure sensor ...................................................253
R
refrigerant circuit ....................................................40
refrigerant overcharged ........................................173
remote controller self-diagnosis function ..............135
remote controller service mode ............................133
S
self-diagnosis by wired remote controller .............129
self-diagnosis by wireless remote controller ........130
setting of low noise operation and
demand operation .........................................115
image of operation .........................................116
setting of refrigerant additional
charging operation ........................................119
check operation .............................................121
simplified remote controller ....................................90
BRC2C51 ........................................................90
system is not set yet .............................................204
T
thermostat sensor in remote controller ...................68
cooling .............................................................68
heating .............................................................69
torque wrench ......................................................263
troubleshooting by remote controller ....................128
turn power on .........................................................74
W
weigher for refrigerant charge ..............................266
wired remote controller ...........................................87
wireless remote controller - indoor unit ................. 89
CZ-01RW
type ................................................ 89
CZ-02RW
type ...........
...
.................................. 89
wiring diagrams ................................................... 227
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