11.4.2 EEPROM abnormal
Indoor Display E4: Indoor EEPROM error
Indoor display F12: Outdoor EEPROM error; Outdoor LED1 flash 1 times
Method of The Data detected by the EEPROM are used to determine MCU
Malfunction
Detection
Malfunction When the data of EEPROM is error or the EEPROM is damaged
Decision
Conditions
Supposed
■
Faulty EEPROM data
Causes
■
Faulty EEPROM
■
Faulty PCB
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
Replace the indoor or outdoor mainboard.
Service diagnosis
Domestic air conditioner
51
Summary of Contents for Z/N-Series
Page 11: ... Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 9 ...
Page 12: ... Operation range Domestic air conditioner 5ˊOperation range 10 ...
Page 15: ...CN9 CN10 CN36 CN3 CN23 CN24 CN25 CN28 PCB 1 Wiring diagram Domestic air conditioner 13 ...
Page 17: ...Wiring diagram Domestic air conditioner 15 ...
Page 36: ...WARNING CAUTION Installations Domestic air conditioner 34 ...
Page 37: ...Installations Domestic air conditioner 35 ...
Page 38: ...Installations Domestic air conditioner 36 ...
Page 39: ...Installations Domestic air conditioner 37 ...
Page 40: ...Installations Domestic air conditioner 38 ...
Page 41: ...Installations Domestic air conditioner 39 ...
Page 42: ...Installations Domestic air conditioner 40 ...
Page 45: ...Pressurize for over 3 minutes at 4 2MPa After above Installations Domestic air conditioner 43 ...