Panasonic S-36PU1E5A Service Manual page 305

Table of Self-Diagnostic Functions and Corrections (Type U1, T2, F1, N1 and Y2)
Wired Indoor
remote unit
controller receiver
1:1 connection (single type)
display lamp
Remote controller is not
connected correctly.
Nothing is Nothing is
Indoor unit power is not
displayed displayed
ON.
Automatic address setting
has not been completed.
Inter-unit control wiring is
E01
cut or is not connected
displayed
correctly.
Remote controller is not
connected correctly (remote
controller receiving failure).
Remote controller is not
E02 connected correctly (failure
Operating
displayed
lamp is in transmission from remote
controller to indoor unit).
blinking.
E09
——————
displayed
E14
——————
displayed
Indoor-outdoor inter-unit
E04
wiring is not connected
displayed
correctly.
E06
displayed
Standby
Indoor unit capacity is too
E15
lamp is
low.
displayed
blinking.
E16 Indoor unit capacity is too
displayed high.
No serial signal is being
received at all from the
E20
displayed indoor units.
Reversed phase in the
outdoor unit single-phase
Operation
or open phase in the
lamp and
outdoor unit 3-phase power.
Standby
P05
displayed
lamp are
Insufficient gas
blinking
alternately.
Indoor-outdoor unit type
L02
displayed mismatch.
Both the
L13
Operation
displayed
lamp and
Standby
lamp are
L07
blinking
——————
displayed
together.
The indoor unit ceiling
P09 panel connector is not
Timer lamp
displayed
connected correctly.
and
Standby
lamp are
Indoor unit DC fan trouble.
blinking
P12
alternately.
displayed
Operation No gas
lamp and
Standby
P15
displayed
lamp are
blinking
alternately.
Cause
Simultaneous-operation
Group connection multi system
(flexible combination)
Remote controller is not Same at left
connected with indoor
unit correctly
Indoor unit power is not
ON.
Automatic address Same at left
setting has not been
completed.
Inter-unit control wiring
is cut or is not
connected correctly.
Remote controller is not
connected with indoor
unit correctly.
Remote controller is not Same at left
connected with indoor
unit correctly.
—————— ——————
Remote control
communication wiring is
——————
cut or is not connected
correctly.
Same at left
Same at left
Indoor-outdoor inter-unit Same at left
wiring is cut or is not
connected correctly.
Same at left Same at left
Reversed phase in the Reversed phase in the
outdoor unit single outdoor unit single-
phase or open phase phase or open phase
in the 3-phase power at in the outdoor unit
one of the outdoor units 3-phase power.
in the group.
CT sensor is
disconnected or there
is a problem with the
circuit.
Same at left Same at left
Remote control
communication wiring is
—————— connected to the indoor
unit, however it is set
for individual operation.
Ceiling panel connector Indoor unit ceiling panel
at one of the indoor connector is not
units in the group is not connected correctly.
connected correctly.
DC fan trouble at one Indoor unit fan trouble.
of the indoor units in
the group.
Same at left Same at left
1-295
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).
————
1