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9-7. Table of Self-Diagnostic Functions and Corrections (E1 Type)
Wired remote
Indoor unit
controller
receiver lamp
1:1 connection (single type)
display
● Remote controller is not connected
ES
Nothing is
Nothing is
correctly.
displayed
displayed
● Indoor unit power is not ON.
● Automatic address setting has not been
completed.
● Inter-unit control wiring is cut or is not
E01 displayed
connected correctly.
● Remote controller is not connected
correctly (remote controller receiving
failure).
● Remote controller is not connected
E02 displayed
correctly (failure in transmission from
Operating lamp
remote controller to indoor unit).
is blinking.
E09 displayed
——————
E14 displayed
——————
● Indoor-outdoor inter-unit wiring is not
E04 displayed
connected correctly.
E06 displayed
● Indoor unit capacity is too low.
Standby lamp is
E15 displayed
blinking.
● Indoor unit capacity is too high.
E16 displayed
● No serial signal is being received at all
E20 displayed
from the indoor units.
● Reversed phase in the outdoor unit
single-phase or open phase in the
Operation lamp
outdoor unit 3-phase power.
and Standby
● Insuffi cient gas
P05 displayed
lamp are blinking
alternately.
● Indoor-outdoor unit type mismatch.
L02 displayed
Both the
L13 displayed
Operation lamp
and Standby
lamp are blinking
L07 displayed
——————
together.
● The indoor unit ceiling panel connector
P09 displayed
is not connected correctly.
Timer lamp and
Standby lamp are
blinking
● Indoor unit DC fan trouble.
alternately.
P12 displayed
● No gas
Operation lamp
and Standby
P15 displayed
lamp are blinking
alternately.
Big̲PAC̲eng̲mentuke.indd 12
Big̲PAC̲eng̲mentuke.indd 12
Cause
Simultaneous-operation multi system
Group connection
(fl exible combination)
● Remote controller is not connected
● Same at left
with indoor unit correctly
● Indoor unit power is not ON.
● Automatic address setting has not
● Same at left
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 connected
● Same at left
with indoor unit correctly.
——————
——————
● Remote controller crossover wiring
is cut or is not connected correctly.
——————
● Same at left
● Same at left
● Indoor-outdoor inter-unit wiring is
● Same at left
cut or is not connected correctly.
● Same at left
● Same at left
● Reversed phase in the outdoor
● Reversed phase in the outdoor unit
unit single phase or open phase
single-phase or open phase in the
in the 3-phase power at one of the
outdoor unit 3-phase power.
● CT sensor is disconnected or there
outdoor units in the group.
is a problem with the circuit.
● Same at left
● Same at left
● Remote controller crossover wiring
is connected to the indoor unit,
——————
however it is set for individual
operation.
● Ceiling panel connector at one of
● Indoor unit ceiling panel connector
the indoor units in the group is not
is not connected correctly.
connected correctly.
● DC fan trouble at one of the indoor
● Indoor unit fan trouble.
units in the group.
● Same at left
● Same at left
12
Correction
Control by 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 (See
9-8-4).
● Same at left
Connect the remote controller correctly.
● 2 remote
Refer to 9-8-6 Main-sub remote
controllers are
Control, and make the correct settings.
set as the main
remote controller.
● Same at left
Check the remote controller crossover
wiring.
Perform automatic address setting
again.
● Same at left
Connect the wiring correctly.
● Same at left
Refer to 9-8 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
9-8).
● 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).
——————
2011/02/23 13:43:41
2011/02/23 13:43:41