Troubleshooting 14
7. Troubleshooting by Error Code
7.1 E1/EH 00 (Indoor EEPROM parameter error diagnosis and solution)
Description: Indoor PCB main chip does not receive feedback from EEPROM chip.
Recommended parts to prepare:
• Indoor PCB
Troubleshooting and repair:
Shut off the power supply and
turn it on 2 minutes later.
Is it still displaying
the error code?
YES
Replace the indoor main
PCB.
The unit is operating normally
.
NO
Remarks:
EEPROM: A read-only memory whose contents can be erased and reprogrammed using a pulsed voltage.
The location of the EEPROM chip on the indoor PCB is shown in the following image:
Note: The image is for reference only.
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