Sinclair SDV5 Series Service Manual page 52

2.8 E9: EEPROM error (For all models)
2.8.1 Digital display output
E9
2.8.2 Description
 EEPROM error
 The system stops running.
 Error code is displayed on the outdoor unit PCB.
2.8.3 Trigger / recover condition
 Trigger condition: Unable to read the EEPROM when startup.
 Recover condition: EEPROM goes back to normal.
 Reset method: Manually restart.
2.8.4 Possible causes
 The EEPROM is not inserted well
 Damaged main PCB.
2.8.5 Procedure
Check whether the EEPROM is inserted well.
2.9 E.9.: Compressor parameters mismatch (For all modes)
2.9.1 Digital display output
E.9.
2.9.2 Description
 Main control chip detect the power setting number mismatch the model, the unit will display E.9. error.
 The system stops running.
 Error code is displayed on the outdoor unit PCB.
2.9.3 Trigger / recover condition
 Trigger condition: Main control chip detect the power setting number mismatch the model.
 Recover condition: Main control chip detect the power setting number match the model.
 Reset method: Manually restart.
2.9.4 Possible causes
 Power number setting mistake.
 Damaged main PCB.
E9
Yes
Replace outdoor main PCB.
No
Insert the EEPROM well
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