5
5
- 7
W-2WAY ECO-i SYSTEM
Trouble Diagnosis
4. W-2WAY ECO-i Alarm Codes
With type 96, the INV compressor is compressor 1, and the constant-speed
compressor is compressor 2.
With type 72, the INV compressor is compressor 1.
Alarm code
Alarm meaning
Page
E06
Outdoor unit failed to receive serial communication signals from indoor unit.
5
-9
E12
Automatic address setting start is prohibited.
5
-9
E15
Automatic address setting alarm (too few units)
5
-9
E16
Automatic address setting alarm (too many units)
5
-10
E20
No indoor units at automatic address setting.
5
-10
E24
Outdoor unit (INV) failed to receive communications from another outdoor
unit (constant-speed).
5
-10
E25
Outdoor unit address setting failure (duplication)
5
-11
E26
Mismatch in outdoor unit quantity
5
-11
E29
Outdoor unit failed to receive communication from outdoor unit (main)
5
-11
F04
Compressor 1 discharge temperature sensor trouble
5
-12
F05
Compressor 2 discharge temperature sensor trouble
5
-12
F06
Gas temperature sensor trouble at outdoor heat exchanger 1 (In)
5
-13
F07
Liquid temperature sensor trouble at outdoor heat exchanger 1 (Out)
5
-13
F08
Outdoor air temperature sensor trouble
5
-14
F12
Compressor intake temperature sensor trouble
5
-14
F16
High-pressure sensor trouble
5
-15
F17
Low-pressure sensor trouble
5
-16
F23
Gas temperature sensor trouble at outdoor heat exchanger 2 (In)
5
-13
F24
Liquid temperature sensor trouble at outdoor heat exchanger 2 (Out)
5
-13
F31
Outdoor unit non-volatile memory (EEPROM) trouble
5
-16
H11
Constant speed compressor 2 overcurrent alarm
5
-17
H12
Constant speed compressor 2 lock current alarm
5
-17
H03
Compressor 1 CT sensor disconnected or short-circuit
5
-18
H06
Low-pressure switch activated
5
-19
H07
No-oil alarm
5
-20
H08
Compressor 1 oil detection sensor (connection) trouble
5
-21
H13
Compressor 2 CT sensor disconnected or short-circuit
5
-18
H15
Compressor 2 discharge temperature sensor disconnected
5
-18
H27
Compressor 2 oil detection sensor (connection) trouble
5
-21
H31
HIC trouble alarm
5
-21
L04
Outdoor system address duplication
5
-22
L10
Outdoor unit capacity not set
5
-22
L17
Outdoor unit model mismatch
5
-22
L18
4-way valve operation failure
5
-22
Содержание AHX0752
Страница 39: ... MEMO 1 34 ...
Страница 77: ... MEMO 2 38 ...
Страница 91: ... MEMO 3 14 ...
Страница 141: ... MEMO 5 32 ...