
14.TROUBLESHOOTING
When the air conditioner failure occurs, the fault code will displays on control board.
HOW TO CHECK FAULT CODES
1) 12K/14K/18K
There are 4 LED lamps on control board, LED2,LED3,LED4 and LED7.
LED2 and LED3 indicate outdoor main control fault ,LED 4 and LED7 indicate drive fault.
Main control failure:
Lamp LED2 display fault code ten digit number, LED3 display fault code single digit number.
Drive failure:
Lamp LED4 display fault code ten digit number, LED7 display fault code single digit number.
Failures display with 5s interval .It means LED will off 5s to report next failure code. System protect
codes display is the same with main control, and LED lamps will off when There is no failure ,protect
or preheating.
For example, outdoor main control fault 32:
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
Outdoor control board
12K/
14K
/
18K
57
Содержание 2AMW-42U4RRA
Страница 10: ...1 GENERAL Type Capacity Btu h View 1 to 5 indoor units 42K 6 ...
Страница 15: ...3 OUTLINES AND DIMENSIONS 21K AMW3 24U4RFA Unit mm 11 ...
Страница 16: ...3 OUTLINES AND DIMENSIONS AMW3 24U4RAA Unit mm 414 380 12 ...
Страница 17: ...3 OUTLINES AND DIMENSIONS 27K Unit mm 414 380 13 ...
Страница 18: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO ON NS S Unit mm 42K 14 ...
Страница 29: ...7 REFRIGERANT CYCLE 7 Refrigerant cycle 12K 14K 18K 21K 24K 25 ...
Страница 32: ...8 WIRING DIAGRAM Electric wiring diagram 1982504 D 21K AMW3 24U4RFA 28 ...
Страница 33: ...8 WIRING DIAGRAM AMW3 24U4RAA Electric wiring diagram 1957327 B 29 ...
Страница 34: ...8 WIRING DIAGRAM 27K 36K 30 ...
Страница 39: ...8 WIRING DIAGRAM Maintenance board Select switch signal to mainboard Communication signal to main board 35 ...
Страница 80: ...Product improvement specifications and appearance in this manual are subject to change without prior notice ...