71
n
Indoor unit display part (Receiving unit) (Wireless type)
When specifying the check code, check 7-segment display on the center unit.
For the check code which is not displayed on the outdoor 7-segment, confirm it in Section
“
10-2 How to Check / Check code display list (Indoor unit)
”.
: Goes off, : Goes on,
: Flash (0.5 second)
Lamp indication
Operation
Timer
Ready
No indication at all
Operation
Timer
Ready
Flash
Operation
Timer
Ready
Flash
Operation
Timer
Ready
Alternate flash
Operation
Timer
Ready
Alternate flash
Check code
—
E01
E02
E03
E08
E09
E10
E12
E18
E04
E06
E07
E15
E16
E19
E20
E23
E25
E26
E28
E31
P01
P10
P12
P13
P03
P04
P05
P07
P15
P17
P18
P19
P20
P22
P26
P29
P31
Cause of trouble occurrence
Power supply OFF or miswiring between receiving unit and indoor unit
Receiving error
Receiving unit
Miswiring or wire connection error
Sending error
Communication interruption
between receiving unit and indoor unit
Duplicated indoor unit No. (Address)
Setup error
Duplicated header units of remote controller
Communication error between MCU on indoor unit P.C. board
Automatic address start error
Wire connection error between indoor units, indoor power supply OFF
Miswiring or wire connection error between indoor unit and outdoor unit
(Communication interruption between indoor and outdoor units)
Communication (receiving) error between indoor and outdoor units, decrease of No. of
connected indoor units
Communication (sending) error between indoor and outdoor units
No indoor unit during setting of automatic address
No. of connected indoor units, capacity over
Error of No. of header unit
Disagreement of refrigerant pipe communication during setting of automatic address
Communication (sending) error between outdoor units
Duplicated setting of follower unit address
Communication (receiving) error between outdoor units, decrease of No. of connected
outdoor units
Follower unit error
IPDU communication error
Indoor fan error
Indoor overflow error
Indoor fan error
Outdoor unit liquid back detection error
Outdoor unit discharge temp. (TD1) error
Outdoor unit high pressure switch operation
Outdoor unit inverter DC voltage (Vdc) error was detected, negative phase error was
detected
Outdoor unit heat sink overheat error: Heat radiation error of electric part (IGBT) in
outdoor unit
Gas leak was detected: Short of refrigerant charge amount
Outdoor unit discharge temp. (TD2) error
Outdoor unit discharge temp. (TD3) error
Outdoor unit 4-way valve inverse error
High pressure protection error
Outdoor unit DC fan error
Outdoor unit G-Tr short-circuit error
Compressor position detection circuit error
Other indoor unit stopped due to error in the group.
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