Service Manual - DVH 09/12/18/24 SF Series
Service Manual - DVH 09/12/18/24 SF Series
33
9.3 Diagnosis and Solutions
9.3.1 EEPROM parameter error diagnosis and solution (E0/F4)
Error Code
Malfunction conditions
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
Possible causes ● Installation error
● PCB faulty
Troubleshooting:
Yes
Replace the indoor/outdoor
main PCB.
Power off, then restart the
unit 2 minutes later.
EEPROM: a read-only memory whose contents can be erased and reprogrammed using a pulsed
voltage. For the location of EEPROM chip, please refer to the below photos.
Indoor PCB
Outdoor PCB
Note: The two photos above are only for reference, it may not be the same as those on your
unit.
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