Troubleshooting Guide
Table Of Contents
8.4 Diagnosis and Solution
8.4.1 Indoor unit trouble shooting
8.4.1.1
Indoor unit EEPROM parameter error diagnosis and solution.
Malfunction decision
conditions
PCB main chip does not receive feedback from EEPROM chip
● Installation mistake
● PCB faulty
Trouble shooting:
Supposed causes
EEPROM:
aread‐onlymemorywhosecontentscanbeerasedandreprogrammedusingapulsedvoltage.