75
10-15. Table of Self-Diagnostic Functions and Corrections
Wired remote
controller display
(Field supply)
Cause
Correction
Nothing is
displayed
Nothing is
displayed
Operating lamp
is blinking.
Standby lamp is
blinking.
Operation lamp
and Standby
lamp are blinking
alternately.
Both the
Operation lamp
and Standby
lamp are blinking
together.
Indoor unit
receiver lamp
E14
displayed
E04
displayed
E06
displayed
E15
displayed
1:1 connection
(Single type)
Group connection
(Simultaneous multi system)
• Set the indoor operation switch ON.
• Turn ON the indoor unit power.
• Check the inter-unit control wiring.
• Perform automatic address setting
(See
10-16).
• Check the remote controller
crossover
wiring.
• Perform automatic address setting
again.
• Connect the wiring correctly.
E01
displayed
• Refer to 10-16 System Control, and
make the correct settings.
• Check that the total capacities of the
indoor and outdoor units are
appropriate.
• Connect the units correctly.
• Connect the units correctly.
• Connect the units correctly.
• Perform automatic address setting
(See
10-16).
• Reverse 2 phases of the outdoor unit
3-phase power and connect them
correctly.
• Same as in the left.
• Same as in the left.
• Remote controller
crossover wiring is cut
or is not connected
• Same as in the left.
• Inter-unit control
wiring is cut or is
not
connected
• Same as in the left.
• Same as in the left.
• Outdoor unit
address is
duplicated
Remote controller
crossover wiring is
connected to the
indoor unit, however,
it is set for individual
operation.
• Same as in the left.
• Same as in the left.
• Indoor operation switch is OFF.
• Indoor unit power is not ON.
• Automatic address setting has not
been
completed.
• Inter-unit control wiring is cut or is
not connected correctly.
• Indoor-outdoor inter-unit wiring is
not connected correctly.
• Indoor unit capacity is too low.
• Indoor unit capacity is too high.
• Indoor-outdoor unit type mismatch.
• Indoor-outdoor units are not setting
correctly.
• Reversed phase or open phase in
the outdoor unit 3-phase power
E16
displayed
P05
displayed
L02
displayed
L13
displayed
L04
displayed
L07
displayed
04-393 DC INV Tech p 64-110 12/13/04 11:35 AM Page 75