.
.2 EEPROM abnormal
Indoor Display E4:
Indoor EEPROM error
Indoor display F12:
Outdoor EEPROM error; Outdoor LED1 flash 1 times
The Data detected by the EEPROM are used to determine MCU
When the data of EEPROM is error or the EEPROM is damaged
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
Method of
malfunction detection
Malfunction detection
conditions
Summary of Contents for 2U14CS4ERA
Page 10: ... Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 8 ...
Page 11: ... Operation range Domestic air conditioner 5ˊOperation range 9 ...
Page 15: ...PCB 2 CN1 CN5 CN6 CN7 CN10 CN11 CN8 CN9 CN2 CN3 CN4 Domestic air conditioner Wiring diagram ...
Page 16: ...0 Wiring diagram Domestic air conditioner ...
Page 35: ...WARNING CAUTION Installations Domestic air conditioner 33 ...
Page 36: ...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 85: ...1 Removal Procedure 1 Domestic Air Conditioner p ...
Page 87: ...Loosen the screws and pull the panel Removal Procedure 3 Domestic Air Conditioner ...
Page 89: ...Removal Procedure 5 Domestic Air Conditioner 2 ...
Page 90: ...Removal Procedure 6 Domestic Air Conditioner 3 ...
Page 91: ...2 Loosen the fixing screws and remove the motor Removal Procedure 7 Domestic Air Conditioner ...
Page 92: ...Removal Procedure 8 Domestic Air Conditioner 4 F M P B ...
Page 93: ...and remove the reactor Loosen the screw Removal Procedure 9 Domestic Air Conditioner ...