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INVENTOR O3MVO32-12 Service Manual

INVENTOR O3MVO32-12
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Troubleshooting
Page 72
5.2 E0/F4 (EEPROM parameter error)
Description: Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip.
Recommended parts to prepare:
Faulty indoor PCB
Faulty outdoor PCB
Troubleshooting and repair:
Shut off the power supply and turn it
on 2 minutes later.
Is it still displaying the error
code?
The unit is operating normally.
NO
If the EEPROM chip is welded on main
PCB, replace the main PCB directly.
Otherwise, check if the EEPROM chip
plugged in main PCB well.
YES
Is it plugged well?
Correct the connection.
NO
Replace the indoor/outdoor
main PCB.
Remarks:
The location of the EEPROM chip on the indoor and outdoor PCB is shown in the following two images:
Note: These images are for reference only.

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INVENTOR O3MVO32-12 Specifications

General IconGeneral
BrandINVENTOR
ModelO3MVO32-12
CategoryAir Conditioner
LanguageEnglish

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