Wired remote
controller display
Cause
Correction
Nothing is
displayed
Nothing is
displayed
Operation lamp
is blinking.
Standby lamp
is blinking.
Timer lamp and
Standby lamp
are blinking
alternately.
Timer lamp and
Standby lamp
are blinking
alternately.
Both the
Operation lamp
and Standby
lamp are blinking
together.
Indoor unit
receiver lamp
E02 displayed
E14 displayed
E04
displayed
E06
displayed
E15
displayed
Group connection and simultaneous-operation
multi system
• Remote controller is not connected with indoor
unit correctly.
• Indoor unit power is not ON.
Connect the remote controller correctly. Turn ON
the indoor unit power.
Check the remote controller and inter-unit control
wiring.
Perform automatic address setting (10-22).
Connect the remote controller correctly.
Check the remote controller crossover wiring.
Perform automatic address setting again.
Connect the wiring correctly.
E01 displayed
• Automatic address 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.
• Reversed phase or open phase in the 3-phase
power at one of the outdoor units in the group.
• Insufficient gas
• Ceiling panel connector at one of the indoor units
in the group is not connected correctly.
• DC fan trouble at one of the indoor units in the
group.
• Indoor-outdoor unit type mismatch.
• Remote controller is not connected with indoor
unit correctly.
• Remote controller crossover wiring is cut or is
not connected correctly.
• Indoor-outdoor inter-unit wiring is not connected
correctly.
Refer to 10-22-1. Basic wiring diagram, and make
the correct setting.
• Inter-unit control wiring is cut or is not connected
correctly.
Check that the total capacities of the indoor and
outdoor units are appropriate.
Connect the indoor unit ceiling panel connector
correctly.
Check whether the fan holder is loose.
Check the wiring between the DC fan and the
PCB.
Check that the indoor and outdoor unit types are
correct.
• Remote controller crossover wiring is connected
to the indoor unit, however it is set for individual
operation.
Perform automatic address setting (10-22).
• Check outdoor operation with separate maintanance-use remote controller.
Reverse 2 phases of the outdoor unit 3-phase
power and connect them correctly.
• Indoor unit capacity is too low.
E16
displayed
P05
displayed
P09
displayed
P12
displayed
L02
L13
displayed
L10
displayed
L07
displayed
• Indoor unit capacity is too high.
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