Airwell OU-PSINV-70TH Installation Instructions Manual page 65

10-25. Table of Self-Diagnostic Functions and Corrections (HW Type)
Wired remote
Indoor unit
controller
receiver lamp
display
Nothing is Nothing is
displayed displayed.
E01 displayed
Operation lamp
is blinking.
E02 displayed
E14 displayed
E04 displayed
Standby lamp is
E06 displayed
blinking.
E15 displayed
E16 displayed
Timer lamp and
Standby lamp
P05 displayed
are blinking
alternately.
Timer lamp and
P09 displayed
Standby lamp
are blinking
P12 displayed
alternately.
L02
displayed
Both the
L13
Operation lamp
and Standby
L07 displayed
lamp are blinking
together.
L10 displayed
Big_PAC_eng.indb 65 Big_PAC_eng.indb 65
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 communication wiring is cut or is not
connected correctly.
• Indoor-outdoor inter-unit wiring is not connected
correctly.
• Inter-unit control wiring is cut or is not connected
correctly.
• Indoor unit capacity is too low.
• Indoor unit capacity is too high.
• Reversed phase or open phase in the 3-phase power at
one of the outdoor units in the group.
• Insuffi cient 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 communication wiring is connected to
the indoor unit, however it is set for individual operation.
• Check outdoor operation with separate maintenance-use remote controller.
65
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 (10-22).
Connect the remote controller correctly.
Check the remote controller communication wiring.
Perform automatic address setting again.
Connect the wiring correctly.
Refer to 10-22-1. Basic wiring diagram, and make the
correct setting.
Check that the total capacities of the indoor and
outdoor units are appropriate.
Reverse 2 phases of the outdoor unit 3-phase power
and connect them correctly.
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 (10-22).
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