Haier D Series User Manual

 Service diagnosis
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Domestic air conditioner
10.4.2 EEPROM abnormal
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Indoor Display E4: indoor EEPROM error
Indoor display F12: Outdoor EEPROM error; Outdoor LED1 flash 1 times
Method of The Data detected by the MCU are used to determine MCU
Malfunction
Malfunction when the data of EEPROM is error or the EEPROM is damaged
Decision
Ŷ Faulty EEPROM data
Ŷ Faulty EEPROM
Ŷ Faulty PCB
Troubleshooting * Caution Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
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10.4.4 Outdoor DC fan motor fault
Outdoor display F8˖LED1 flash 9 times
DC fan motor is detected by checking the fan running condition and so on
Ƶ DC fan motor protection dues to the DC fan motor faulty
Ƶ DC fan motor protection dues to faulty PCB
* Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage
may be occurred.
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Replace the indoor or outdoor mainboard
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Method of
Malfunction
Detectio
n
Malfunction
Detection
Conditions
Troubleshooti
ng
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Supposed
Causes
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Method of
Malfunction
Detectio
n
Malfunction
Detection
Conditions
Troubleshooti
ng
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Supposed
Causes
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Haier D Series Specifications

General

Brand	Haier
Model	D Series
Category	Air Conditioner
Language	English