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Air to Air Heat Exchanger with DX Coil Unit
Installation Manual
Air to Air Heat Exchanger with DX Coil Unit
Installation Manual
E31
E31
IPDU communication error
I/F
F01
—
—
Indoor TCJ sensor error
Indoor
F02
—
—
Indoor TC2 sensor error
Indoor
F03
—
—
Indoor TC1 sensor error
Indoor
F04
F04
—
TD1 sensor error
I/F
F05
F05
—
TD2 sensor error
I/F
F06
F06
01: TE1
02: TE2
TE1 sensor error
I/F
F07
F07
01: TE1
02: TE2
TL sensor error
I/F
F08
F08
—
TO sensor error
I/F
F10
—
—
Indoor TSA sensor error
Indoor
F11
—
—
Indoor TFA sensor error
Indoor
F12
F12
—
TS1 sensor error
I/F
F13
F13
01: Compressor 1
02: Compressor 2
03: Compressor 3
TH sensor error
IPDU
F15
F15
—
Miswiring of outdoor temperature sensor (TE, TL) error
I/F
F16
F16
—
Miswiring of outdoor pressure sensor (Pd, Ps)
I/F
F17
—
—
Indoor TOA sensor error
Indoor
F18
—
—
Indoor TRA sensor error
Indoor
F22
F22
—
TD3 sensor error
I/F
F23
F23
—
Ps sensor error
I/F
F24
F24
—
Pd sensor error
I/F
F29
—
—
Indoor unit or other error
Indoor
F31
F31
—
Outdoor EEPROM error
I/F
H01
H01
01: Compressor 1
02: Compressor 2
03: Compressor 3
Compressor breakdown
IPDU
H02
H02
01: Compressor 1
02: Compressor 2
03: Compressor 3
Compressor error (Lock)
IPDU
H03
H03
01: Compressor 1
02: Compressor 2
03: Compressor 3
Current detection circuit error
IPDU
H05
H05
—
Miswiring of outdoor discharge temperature sensor (TD1)
I/F
H06
H06
—
Low-pressure protection activation
I/F
Wired
remote
controller
display
Check code
Check code name
Judging
device
7 segment display on the
outdoor unit
Auxiliary code
○
: IPDU error
A3-IPDU
Fan IPDU
1
2
3
01
○
02
○
03
○
○
04
○
05
○
○
06
○
○
07
○
○
○
08
○
09
○
○
0A
○
○
0B
○
○
○
0C
○
○
0D
○
○
○
0E
○
○
○
0F
○
○
○
○
H07
H07
—
Lower oil level detection protection
I/F
H08
H08
01: TK1 sensor error
02: TK2 sensor error
03: TK3 sensor error
04: TK4 sensor error
05: TK5 sensor error
Oil level detection temperature sensor error
I/F
H15
H15
—
Miswiring of outdoor discharge temperature sensor (TD2)
I/F
H16
H16
01: TK1 oil circuit error
02: TK2 oil circuit error
03: TK3 oil circuit error
04: TK4 oil circuit error
05: TK5 oil circuit error
Oil detection circuit error
I/F
H25
H25
—
Miswiring of outdoor discharge temperature sensor (TD3)
I/F
L02
—
—
Outdoor unit model mismatch error
Indoor
L03
—
—
Duplicate header indoor units
Indoor
L04
L04
—
Duplicate outdoor line addresses
I/F
L05
—
—
Duplicate prior indoor (Displayed for prior indoor)
I/F
L06
L06
Number of prior indoor
units
Duplicate prior indoor (Displayed for non-prior indoor)
I/F
L07
—
—
Group line in an individual indoor unit
Indoor
L08
L08
—
Indoor group address not set
Indoor I/F
L09
—
—
Indoor capacity not set
Indoor
L10
L10
—
Outdoor capacity not set
I/F
L20
—
—
Duplicate central control addresses
AINET indoor
L26
L26
Number of connected
thermal units
Number of connected thermal units exceeded
I/F
L27
L27
Number of connected
thermal units
Number of connected thermal units error
I/F
L28
L28
—
Number of connected outdoor units exceeded
I/F
L29
L29
IPDU communication error
I/F
L30
L30
Detect indoor addresses
External interlock for indoor unit
Indoor
—
L31
—
Expanded I/C error
I/F
P03
P03
—
Discharge temperature TD1 error
I/F
P04
P04
01: Compressor 1
02: Compressor 2
03: Compressor 3
High-pressure SW activation
IPDU
P05
P05
01: Open phase detected
02: Phase sequence error
Open phase detected, Phase sequence error
I/F
Wired
remote
controller
display
Check code
Check code name
Judging
device
7 segment display on the
outdoor unit
Auxiliary code
○
: IPDU error
A3-IPDU
Fan IPDU
1
2
3
01
○
02
○
03
○
○
04
○
05
○
○
06
○
○
07
○
○
○
08
○
09
○
○
0A
○
○
0B
○
○
○
0C
○
○
0D
○
○
○
0E
○
○
○
0F
○
○
○
○
57-EN
58-EN
+00ET99805001-2.book Page 29 Tuesday, July 26, 2011 1:39 PM