10-31. Table of Self-Diagnostic Functions and Corrections (XM Type)
Wired remote
Indoor unit
controller display
receiver lamp
Nothing is
Nothing is displayed
displayed
E 0 1 displayed
Operating lamp
E 0 2 displayed
is blinking.
E 1 4 displayed
E 0 4 displayed
E 0 6 displayed
Standby lamp
is blinking.
E 1 5 displayed
E 1 6 displayed
Operation lamp and
P 0 5 displayed
Standby lamp are
blinking alternately.
P 0 9 displayed
Timer lamp and
Standby lamp are
blinking alternately.
P 1 2 displayed
L 0 2 displayed
L 1 3 displayed
Both the Operation
lamp and Standby
L 0 7 displayed
lamp are blinking
together.
L 1 0 displayed
Cause
Group connection and simultaneous-operation
multi system
Remote controller is not connected with indoor
●
unit correctly.
Indoor unit power is not ON.
●
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.
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.
Indoor-outdoor inter-unit wiring is cut or is not
●
connected correctly.
Indoor unit capacity is too low.
●
Indoor unit capacity is too high.
●
Reversed phase 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 crossover wiring is
●
connected to the indoor unit, however it is set for
individual operation.
Check outdoor operation with separate maintenance-use remote controller.
●
79
Correction
Connect the remote controller correctly.
Turn ON the indoor unit power.
Check the remote controller and inter-unit
control wiring.
Perform automatic address setting (See 10-32).
Connect the remote controller correctly.
Check the remote controller crossover wiring.
Perform automatic address setting again.
Connect the wiring correctly.
Refer to 10-32-1 System Control, and make the
correct settings.
Check that the total capacities of the indoor and
outdoor units are appropriate.
Check that the CT sensor is not disconnected,
and make sure it is inserted.
Fill up the gas appropriately.
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.
Perform automatic address setting (See 10-32 ).