Troubleshooting
242
Electrical Control System
2.4.3.5. E5 malfunction (For single phase models)
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
Summary of Contents for AWAU-YLD012-H11
Page 14: ...Dimensions Console Type 135 2 Dimensions AWSI XAD012 N11 AWSI XAD018 N11 ...
Page 15: ...Service Space 136 Console Type 3 Service Space ...
Page 16: ...Wiring Diagrams Console Type 137 4 Wiring Diagrams AWSI XAD012 N11 AWSI XAD018 N11 ...
Page 21: ...Field Wiring 142 Console Type 10 Field Wiring AWSI XAD012 N11 AWSI XAD018 N11 ...
Page 31: ...Wiring Diagrams 152 Outdoor Units 4 Wiring Diagrams AWAU YLD012 H11 ...
Page 33: ...Wiring Diagrams 154 Outdoor Units AWAU YLD036 H13 AWAU YLD048 H13 ...
Page 34: ...Wiring Diagrams Outdoor Units 155 AWAU YLD060 H13 ...
