Panasonic S-45PU1E5 Technical Data & Service Manual page 332

1
Table of Self-Diagnostic Functions and Corrections (U1, Y1, T1, F1, N1 Types)
Wired Indoor
remote unit
controller receiver
display lamp
Nothing is Nothing is
displayed displayed
E01
displayed
E02
Operating
displayed
lamp is
blinking.
E09
displayed
E14
displayed
E04
displayed
E06
displayed
Standby
E15
lamp is
displayed
blinking.
E16
displayed
E20
displayed
Operation
lamp and
P05 Standby
displayed
lamp are
blinking
alternately.
L02
displayed
Both the
L13
Operation
displayed
lamp and
Standby
lamp are
L07
blinking
displayed
together.
P09
Timer lamp
displayed
and
Standby
lamp are
blinking
P12
alternately.
displayed
Operation
lamp and
Standby
P15
displayed lamp are
blinking
alternately.
1:1 connection (single type) Group connection
Remote controller is not Remote controller is not
connected correctly. connected with indoor
Indoor unit power is not unit correctly
ON.
Indoor unit power is not
ON.
Automatic address setting Automatic address
has not been completed. setting has not been
completed.
Inter-unit control wiring is Inter-unit control wiring
cut or is not connected is cut or is not
correctly. connected correctly.
Remote controller is not
Remote controller is not
connected with indoor
connected correctly (remote
unit correctly.
controller receiving failure).
Remote controller is not Remote controller is not
connected correctly (failure connected with indoor
in transmission from remote unit correctly.
controller to indoor unit).
——————
——————
Indoor-outdoor inter-unit Same at left
wiring is not connected
correctly.
Indoor-outdoor inter-unit
wiring is cut or is not
connected correctly.
Indoor unit capacity is too Same at left
low.
Indoor unit capacity is too
high.
No serial signal is being
received at all from the
indoor units.
Reversed phase in the Reversed phase in the
outdoor unit single-phase outdoor unit single
or open phase in the phase or open phase
outdoor unit 3-phase power. in the 3-phase power at
one of the outdoor units
Insufficient gas
in the group.
Indoor-outdoor unit type Same at left
mismatch.
——————
The indoor unit ceiling Ceiling panel connector
panel connector is not at one of the indoor
connected correctly. units in the group is not
connected correctly.
Indoor unit DC fan trouble. DC fan trouble at one
of the indoor units in
the group.
No gas
Same at left
Cause
Simultaneous-operation
multi system
(flexible combination)
Same at left
Same at left
Same at left
—————— ——————
Remote control
communication wiring is
——————
cut or is not connected
correctly.
Same at left
Same at left
Same at left
Reversed phase in the
outdoor unit single-
phase or open phase
in the outdoor unit
3-phase power.
CT sensor is
disconnected or there
is a problem with the
circuit.
Same at left
Remote control
communication wiring is
—————— connected to the indoor
unit, however it is set
for individual operation.
Indoor unit ceiling panel
connector is not
connected correctly.
Indoor unit fan trouble.
Same at left
1-322
Control by
Correction
main-sub
remote
controllers
Same at left Connect the remote
controller correctly.
Turn ON the indoor unit
power.
Same at left Check the remote
controller and inter-unit
control wiring. Perform
automatic address setting.
Same at left Connect the remote
controller correctly.
2 remote Refer to section "Main-sub
controllers
remote Control", and make
are set as
the correct settings.
the main
remote
controller.
Same at left Check the remote control
communication wiring.
Perform automatic address
setting again.
Same at left Connect the wiring
correctly.
Same at left Refer to section "System
Control", and make
the correct settings.
Same at left Check that the total
capacities of the indoor and
outdoor units are
appropriate.
Check that the indoor unit
power is ON, and that the
inter-unit control wiring is
connected correctly.
Same at left Reverse 2 phases of the
outdoor unit 3-phase power
and connect them correctly.
Check that the CT sensor
is not disconnected, and
make sure it is inserted.
Fill up the gas
appropriately.
Check that the indoor and
————
outdoor unit types are
correct.
Same at left Perform automatic address
setting.
(See section "System
Control".)
Same at left Connect the indoor unit
ceiling panel connector
correctly.
Same at left Check whether the fan
holder is loose.
Check the wiring between
the DC fan and the PCB.
Check the refrigerant cycle
(for gas leaks).
————