Using indoor unit indicators (receiving unit light block) (wireless type)
To identify the check code, check the 7-segment display on the header unit. To check for check codes not
displayed on the 7-segment display, consult the “List of Check Codes (Indoor Unit)” in “8-2. Troubleshooting
Method”.
: Goes off
: Lighting
: Blinking (0.5 seconds)
t
l
u
a
f
f
o
e
s
u
a
C
e
d
o
c
k
c
e
h
C
k
c
o
l
b
t
h
g
i
L
–
Power turned off or error in wiring between receiving and indoor units
E01
Faulty reception
Receiving unit
Error or poor contact in wiring
between receiving and indoor
units
E02
Faulty transmission
E03
Loss of communication
E08
Duplicated indoor unit No. (address)
Setting error
E09
Duplicated master remote controller
E10
Indoor unit inter-MCU communication error
E12
Automatic address starting error
E18
Error or poor contact in wiring between indoor units, indoor power turned off
E04
Error or poor contact in wiring between indoor and outdoor units
(loss of indoor-outdoor communication)
E06
Faulty reception in indoor-outdoor communication (
Signal lack
of indoor unit)
E07
Faulty transmission in indoor-outdoor communication
E15
Indoor unit not found during automatic address setting
E16
Too many indoor units connected/overloading
E19
Error in number of outdoor header units
E20
Detection of refrigerant piping communication error during automatic address setting
E23
Faulty transmission in outdoor-outdoor communication
E25
Duplicated follower outdoor address
E26
Faulty reception in outdoor-outdoor communication,
Signal lack
of outdoor unit
E28
Outdoor follower unit error
E31
IPDU communication error
, sub MCU communication error
P01
Indoor AC fan error
P10
Indoor overflow error
P12
Indoor DC fan error
P13
Outdoor liquid backflow detection error
P03
Outdoor discharge (TD1) temperature error
P04
Activation of outdoor high-pressure SW
P05
Open phase/power failure
Inverter DC voltage (Vdc) error
MG-CTT error
P07
Outdoor heat sink overheating error - Poor cooling of electrical component (
IPM
) of outdoor unit
P15
Gas leak detection - insufficient refrigerant charging
P17
Outdoor discharge (TD2) temperature error
P19
Outdoor 4-way valve reversing error
P20
Activation of high-pressure protection
P22
Outdoor fan IPDU error
P26
Outdoor
IPM
short-circuit error
P29
Compressor position detection circuit error
P31
Shutdown of other indoor unit in group due to fault (group follower unit error)
Operation Timer
Ready
All lights out
Blinking
Operation Timer
Ready
Blinking
Operation Timer
Ready
Alternate blinking
Operation Timer
Ready
Alternate blinking
Operation Timer
Ready
MG-CTT: Magnet contactor
−
1
6
9
−
Summary of Contents for MMY-MAP0806HT7(J)P
Page 306: ...For HT8 J P E HT8 J P TR model 305 ...
Page 307: ...For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model 306 ...
Page 313: ... 312 For HT8 J P E HT8 J P TR model ...
Page 314: ... 313 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
Page 320: ... 319 For HT8 J P E HT8 J P TR model ...
Page 321: ... 320 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
Page 350: ......