3
Indoor Unit
Operation
lamp
Timer
lamp
Digital
Display
Led Status
Remark
☆
1 time
X
E0
Indoor unit EEPROM parameter error
☆
2 times
X
E1
Indoor / outdoor units communication error
☆
3 times
X
E2
Zero crossing signal detection error
Only available for AC motor of high-wall
☆
4 times
X
E3
Indoor fan speed has been out of control
☆
5 times
X
E4
Open circuit or short circuit of indoor room
temperature T1 sensor
☆
6 times
X
E5
Open circuit or short circuit of evaporator coil
temperature T2 sensor
☆
7 times
X
EC
Refrigerant Leakage Detection
Only available for single split
☆
8 times
X
EE
Water-level alarm malfunction
Only available for unit with drain pump
☆
1 time
O
F0
Operation current protection
☆
2 times
O
F1
Open circuit or short circuit of outdoor ambient
T4 temperature sensor
☆
3 times
O
F2
Open circuit or short circuit of condenser coil
temperature T3 sensor
☆
4 times
O
F3
Open circuit or short circuit of compressor
discharge T5 temperature sensor
☆
5 times
O
F4
Outdoor unit EEPROM parameter error
☆
6 times
O
F5
Outdoor fan speed has been out of control
☆
7 times
O
F6
Open or short circuit of T2B temperature sensor
Only available for multi-split outdoor unit
☆
1 times
☆
P0
IPM malfunction or IGBT over-strong current
protection
☆
2 times
☆
P1
Over voltage or over low voltage protection
☆
3 times
☆
P2
High temperature protection of compressor top
Only for 38QUS022/24DS
☆
5 times
☆
P4
Inverter compressor drive error
☆
6 times
☆
P5
Mode conflict
Only available for multi-split
O
(
light
)
X
(
off
)
☆(
flash
)
Содержание 38QUS012DS
Страница 1: ...SERVICE MANUAL 12 18 24K LIGHT COMMERCIAL ...
Страница 5: ...2 PRODUCT LINEUP ...
Страница 6: ...3 UNIT MODEL INDENTIFICATION ...
Страница 7: ...PART 1 GENERAL INFORMATION 1 1 DUCT ...
Страница 9: ...2 INSTALLTION SPACE ...
Страница 10: ...3 STATIC PRESSURE ...
Страница 11: ...4 STATIC PRESSURE 42QSM012DS ...
Страница 12: ...5 STATIC PRESSURE 42QSM018DS ...
Страница 13: ...6 STATIC PRESSURE 42QSM024DS ...
Страница 18: ...11 5 Screw off the fixing screws to remove the evaporator 1 screw ...
Страница 19: ...PART 1 GENERAL INFORMATION 1 2 CASEETTE ...
Страница 22: ...3 INSTALLTION SPACE ...
Страница 29: ...PART 1 GENERAL INFORMATION 1 3 UNDER CEILING ...
Страница 31: ...3 INSTALLTION SPACE ...
Страница 37: ...PART 1 GENERAL INFORMATION 1 4 OUTDOOR UNIT ...
Страница 38: ...2 DIMENSIONS Model W D H W1 A B 38QUS012 18DS 810 310 558 874 549 325 38QUS024DS 845 320 700 908 560 335 ...
Страница 44: ...8 compressor on bottom plate 4 Lift the compressor from the base pan assembly ...
Страница 45: ...PART 2 ELECTRICAL DIAGRAM ...
Страница 46: ...1 WIRING DIAGRAM 42QSM012 18 24DS ...
Страница 47: ...2 WIRING DIAGRAM 42QTD012 18DS ...
Страница 48: ...3 WIRING DIAGRAM 42QTD024DS ...
Страница 49: ...4 WIRING DIAGRAM 42QZL018 24DS ...
Страница 50: ...5 WIRING DIAGRAM 38QUS012DS ...
Страница 51: ...6 WIRING DIAGRAM 38QUS018DS ...
Страница 52: ...7 WIRING DIAGRAM 38QUS024DS ...
Страница 53: ...PART 3 TROUBLE SHOOTING ...