Troubleshooting
Electrical Control System
143
2.4.4.5. E5 malfunction (For single phase units)
Voltage protection
Check the voltage of
outdoor unit power supply,
whether the voltage
between L(1) and N is about
220~240VAC
Check the power supply
Check whether the voltage
of IPM board P and N is
normal? DC277-356V for
18K/24K/30KBtu/h; DC277-
410V for 36K/48KBtu/h
Replace bridge rectifiers,
and then check whether the
system can run normally
Replace IPM board, and
then check whether the
system can run normally
Replace outdoor main board
Yes
No
No
No
No
Yes
Trouble is solved
Yes
Yes
E5 display
Replace the power board,
then check whether the
system can run normally
No
Yes
Содержание KOU-12HFN1-QRC8
Страница 1: ...Contents i Energy Related Products SUPER DC INVERTER SERIES Service Manual 2013 LFIS B 1309...
Страница 2: ......
Страница 4: ......
Страница 17: ...Service Space Indoor Units 13 3 Service Space 1000mm 1000mm 1000mm 1000m m...
Страница 23: ...Field Wiring Indoor Units 19 9 Field Wiring...
Страница 31: ...Wiring Diagrams Indoor Units 27 KTB 24HWDN1 QRC4...
Страница 42: ...Service Space 38 Indoor Units 3 Service Space...
Страница 44: ...Wiring Diagrams 40 Indoor Units KUE 36HRFN1 QRC8 A...
Страница 47: ...Indoor Units 43 9 Field Wiring...
Страница 50: ...Dimensions 46 Indoor Units 2 Dimensions...
Страница 51: ...Service Space Indoor Units 47 3 Service Space...
Страница 52: ...Wiring Diagrams 48 Indoor Units 4 Wiring Diagrams KCA2U 12HRFN1 QRC8 KCA2 18HRFN1 QRC8...
Страница 56: ...52 Indoor Units 10 Field Wiring KCA2U 12HRFN1 QRC8 KCA2 18HRFN1 QRC8...
Страница 58: ......
Страница 61: ...Dimensions Console Type 57 2 Dimensions KFAU 12HRFN1 QRC8 KFA 16HRFN1 QRC8...
Страница 62: ...Service Space 58 Console Type 3 Service Space...
Страница 63: ...Wiring Diagrams Console Type 59 4 Wiring Diagrams KFAU 12HRFN1 QRC8 KFA 16HRFN1 QRC8...
Страница 68: ...Field Wiring 64 Console Type 10 Field Wiring KFAU 12HRFN1 QRC8 KFA 16HRFN1 QRC8...
Страница 74: ...Wiring Diagrams 70 Outdoor Units 4 Wiring Diagrams KOU 12HFN1 QRC8...
Страница 76: ...Wiring Diagrams 72 Outdoor Units KOU 36HFN1 RRC4 KOU 36HFN1 RRC8 520 KOU 36HFN1 QRC8 5A0...
Страница 77: ...Wiring Diagrams Outdoor Units 73 KOU 36HFN1 RRC8 5A0...
Страница 102: ...Refrigerant pipe installation 98 Installation...
Страница 110: ...Engineering of insulation 106 Installation cause leakage to damage the house decoration...