Troubleshooting
Electrical Control System
155
2.4 Solving steps for typical malfunction
2.4.1 For the indoor unit
2.4.1.1 Indoor EEPROM malfunction
If the EEPROM chip
is welded on PCB,
replace the PCB
directly. Otherwise,
check whether the
EEPROM chip
plugged in PCB well?
Yes
No
Yes
Insert the EEPROM well
Replace the indoor PCB.
Shut off the power supply and
turn it on 1 minute later. Is it
still displaying the error code?
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...