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10-15. Table of Self-Diagnostic Functions and Corrections
Wired remote
controller
Indoor unit
display
receiver lamp
(Field supply)
Nothing is
Nothing is
displayed
displayed
E01 displayed
Operating lamp
is blinking.
E14 displayed
E04 displayed
E06 displayed
Standby lamp is
blinking.
E15 displayed
E16 displayed
Operation lamp
and Standby
P05 displayed
lamp are blinking
alternately.
L02 displayed
L13 displayed
Both the
L04 displayed
Operation lamp
and Standby
lamp are blinking
together.
L07 displayed
Operation lamp
and Standby
P15 displayed
lamp are blinking
alternately.
Big_PAC_eng.indb 54
Big_PAC_eng.indb 54
Cause
1:1 connection (Single type)
• 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.
• Reversed phase in the outdoor unit
single-phase or open phase in the
outdoor unit 3-phase power.
• Indoor-outdoor unit type mismatch.
• Indoor-outdoor units are not setting
correctly.
——————
——————
• No gas
54
Group connection
Correction
(Simultaneous multi
system)
• Same at left.
• Set the indoor operation switch ON.
• Turn ON the indoor unit power.
• Same at left.
• Check the inter-unit control wiring.
• Perform automatic address setting
(See 10-16).
• Remote controller
• Check the remote controller communication
communication
wiring.
wiring is cut or is not
• Perform automatic address setting again.
connected correctly.
• Same at left.
• Connect the wiring correctly.
• Inter-unit control
• Refer to 10-16 System Control, and make
wiring is cut or is not
the correct settings.
connected correctly.
• Same at left.
• Check that the total capacities of the indoor
and outdoor units are appropriate.
• Same at left.
• Reverse 2 phases of the outdoor unit
3-phase power and connect them correctly.
• Same at left.
• Connect the units correctly.
• Same at left.
• Connect the units correctly.
• Same at left.
• Connect the units correctly.
• Outdoor unit address is
• Connect the units correctly.
duplicated.
• Remote controller
• Perform automatic address setting
communication wiring
(See 10-16).
is connected to the
indoor unit, however,
it is set for individual
operation.
• Same at left.
• Check the refrigerant cycle (for gas leaks).
2009/08/26 16:33:21
2009/08/26 16:33:21
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