E6 malfunction: DC fan motor malfunction
LED displays E6
Outdoor unit DC fan cannot work.
Refers to the wiring diagram to check whether
the unit wiring is correct or not.
NO
Connect again.
YES
Check whether the power and voltage of the DC
fan motor is normal or not and whether the
voltage between red and black terminal of DC
motor is from 277V to 354V in waiting state.
是
YES
Check whether the power and voltage of the DC fan
motor is normal or not and whether the voltage between
white and black terminal of DC motor is from 15V in
waiting state.
NO
Replace IPM module.
Replace the main PCB.
YES
Whether the outdoor fan will work after the indoor fan
operates for 3 minutes.
NO
Check the voltage
between “+”,”-” port
of PFC module is within
277-354V.
Replace PFC
module board..
NO
NO
Check voltage
between yellow
and black
terminal of the
fan is over 2.4V
Replace fan.
YES
NO
YES
YES
76
Содержание SCV-100EA
Страница 1: ...SCV xxEA SERVICE MANUAL AIR COOLED MINI CHILLER UNIT AIR CONDITIONING...
Страница 16: ...7 Wiring Diagram SCV 50EA SCV 70EA 14...
Страница 17: ...SCV 100EA 15...
Страница 18: ...SCV 120EA SCV 140EA SCV 160EA 16...
Страница 28: ...11 Water Pressure Drop SCV 50EA SCV 70EA SCV 100EA Heat exchanger pressure drop water side 26...
Страница 29: ...SCV 120EA SCV 140EA 27...
Страница 30: ...SCV 160EA 28...
Страница 46: ...t e s 1 2 3 3 To access the control panel open the door remove the screw 1 and screw 2 lift the door 3 44...
Страница 88: ...18 Optional Accessories No Name Specification Remark 1 Wired controller KJR 120F Customized 86...
Страница 91: ...Exploded view of unit SCV 50EA 22 7 22 6 22 5 22 4 22 2 22 1 22 3 89...
Страница 94: ...Exploded view of unit SCV 70EA 22 7 22 6 22 5 22 4 22 2 22 1 22 3 92...
Страница 97: ...Exploded view of unit SCV 100EA 25 1 25 2 25 3 25 6 25 7 25 4 25 5 25 9 25 8 95...
Страница 100: ...Exploded view of unit SCV 120EA 25 1 25 2 25 3 25 4 25 5 25 6 25 7 25 9 25 8 25 10 25 11 98...
Страница 103: ...Exploded view of unit SCV 140EA 25 1 25 2 25 3 25 4 25 5 25 6 25 7 25 9 25 8 25 10 25 11 101...
Страница 106: ...Exploded view of unit SCV 160EA 25 1 25 2 25 3 25 4 25 5 25 6 25 7 25 9 25 8 25 10 25 11 104...