25
9
TROUBLESHOOTING
Check code
Wireless remote controller
Outdoor 7-segment display
Sensor block display
of receiving unit
Main
remote
controller
display
Auxiliary code
AI-NET central
control display
Operation
Timer Ready Flash
Check code name
Judging device
F01
—
—
0F
¤ ¤
l
ALT
Indoor TCJ sensor error
Indoor
F02
—
—
0d
¤ ¤
l
ALT
Indoor TC2 sensor error
Indoor
F03
—
—
93
¤ ¤
l
ALT
Indoor TC1 sensor error
Indoor
F04
F04
—
19
¤ ¤
¡
ALT
TD1 sensor error
I/F
F05
F05
—
A1
¤ ¤
¡
ALT
TD2 sensor error
I/F
F06
F06
—
18
¤ ¤
¡
ALT
TE1 sensor error
I/F
F07
F07
—
18
¤ ¤
¡
ALT
TL sensor error
I/F
F08
F08
—
1b
¤ ¤
¡
ALT
TO sensor error
I/F
F10
—
—
OC
¤ ¤
l
ALT
Indoor TA sensor error
Indoor
F12
F12
—
A2
¤ ¤
¡
ALT
TS1 sensor error
I/F
F13
F13
01: Comp. 1 side
02: Comp. 2 side
43
¤ ¤
¡
ALT
TH sensor error
IPDU
F15
F15
—
18
¤ ¤
¡
ALT
Outdoor temp. sensor miscabling (TE, TL)
I/F
F16
F16
—
43
¤ ¤
¡
ALT
Outdoor pressure sensor miscabling (Pd, Ps)
I/F
F23
F23
—
43
¤ ¤
¡
ALT
Ps sensor error
I/F
F24
F24
—
43
¤ ¤
¡
ALT
Pd sensor error
I/F
F29
—
—
12
¤ ¤
l
SIM
Indoor other error
Indoor
F31
F31
—
1C
¤ ¤
¡
SIM
Indoor EEPROM error
I/F
H01
H01
01: Comp. 1 side
02: Comp. 2 side
IF
l
¤
l
Compressor break down
IPDU
H02
H02
01: Comp. 1 side
02: Comp. 2 side
1d
l
¤
l
Magnet switch error
Overcurrent relay operation
Compressor trouble (lock)
MG-SW
Overcurrent relay
IPDU
H03
H03
01: Comp. 1 side
02: Comp. 2 side
17
l
¤
l
Current detect circuit system error
IPDU
H04
H04
—
44
l
¤
l
Comp 1 case thermo operation
I/F
H06
H06
—
20
l
¤
l
Low pressure protective operation
I/F
H07
H07
—
d7
l
¤
l
Oil level down detective protection
I/F
H08
H08
01: TK1 sensor error
02: TK2 sensor error
03: TK3 sensor error
04: TK4 sensor error
d4
l
¤
l
Oil level detective temp sensor error
I/F
H14
H14
—
44
l
¤
l
Comp 2 case thermo operation
I/F
H16
H16
01: TK1 oil circuit system error
02: TK2 oil circuit system error
03: TK3 oil circuit system error
04: TK4 oil circuit system error
d7
l
¤
l
Oil level detective circuit error
Magnet switch error
Overcurrent relay operation
I/F
MG-SW
Overcurrent relay
L03
—
—
96
¤
l
¤
SIM
Indoor center unit duplicated
Indoor
L04
L04
—
96
¤
¡
¤
SIM
Outdoor line address duplicated
I/F
L05
—
—
96
¤
l
¤
SIM
Duplicated indoor units with priority
(Displayed in indoor unit with priority)
I/F
L06
L06 No. of indoor units with priority
96
¤
l
¤
SIM
Duplicated indoor units with priority
(Displayed in unit other than indoor unit with priority)
I/F
L07
—
—
99
¤
l
¤
SIM
Group line in individual indoor unit
Indoor
L08
L08
—
99
¤
l
¤
SIM
Indoor group/Address unset
Indoor, I/F
L09
—
—
46
¤
l
¤
SIM
Indoor capacity unset
Indoor
L10
L10
—
88
¤
¡
¤
SIM
Outdoor capacity unset
I/F
L20
L20
—
98
¤
¡
¤
SIM
Duplicated central control addresses
AI-NET, Indoor
L28
L28
—
46
¤
¡
¤
SIM
Over No. of connected outdoor units
I/F
L29
L29
01: IPDU1 error
02: IPDU2 error
03: IPDU3 error
04: Fan IPDU error
05: IPDU1 + Fan IPDU error
06: IPDU2 + Fan IPDU error
07: All IPDU error
CF
¤
¡
¤
SIM
No. of IPDU error
I/F
L30
L30 Detected indoor address
b6
¤
¡
¤
SIM
Indoor outside interlock
Indoor
—
L31
—
—
—
Extended I/C error
I/F
Summary of Contents for MMU-AP0071MH
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