Troubleshooting
Electrical Control System
171
2.4.2.8 Temperature protection of compressor discharge(ODU P4)
Temperature protection of
compressor discharge
Check whether the
compressor discharge temp.
is more than 115°C ?
Check whether the wiring
connection is right between
compressor discharge temp.
sensor and PCB according
to wiring diagrams?
Method: Check whether the
resistance of compressor
discharge temp. sensor is
right refer to the
Appendix
2
No
Yes
Yes
Trouble is solved
No
Judge: The
discharge temp.
sensor is broken
Check whether the
refrigerant is leak
Correct the wiring connection
Stop leaking and add refrigerant
Replace the compressor discharge temp. sensor
No
Yes
Replace outdoor main board
Yes
Summary of Contents for AWAU-YCZ218-H11
Page 24: ...Dimensions Outdoor Units 97 AWAU YCZ536 H11...
Page 29: ...Wiring Diagrams 102 Outdoor Units AWAU YCZ327 H11 7SP091167 AWAU YCZ327 H11 7SP091171...
Page 30: ...Wiring Diagrams Outdoor Units 103 AWAU YCZ430 H11 7SP091168 AWAU YCZ430 H11 7SP091172...
Page 31: ...Wiring Diagrams 104 Outdoor Units AWAU YCZ536 H11 7SP091169 AWAU YCZ542 H11 7SP091173...
Page 107: ...SERVICE MANUAL Multi Splits Series...
