Haier 2U14CS1ERA User Manual

2U14CS1ERA-SM Service diagnosis
55
Domestic Air Conditioner
7.4.2 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 Ƶ Faulty EEPROM data
Causes Ƶ Faulty EEPROM
Ƶ 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

Haier 2U14CS1ERA Specifications

General

Brand	Haier
Model	2U14CS1ERA
Category	Air Conditioner
Language	English