38MHRC: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
33
DIAGNOSIS AND SOLUTION
EEPROM Parameter Error (E0/F4)
Description: Indoor or outdoor PCB main chip does not receive feedback from the EEPROM chip.
Possible causes:
• Installation mistake
• Faulty PCB
Troubleshooting
A210492
Remarks:
A read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. For the EEPROM chip location, refer to Figures 38 and 39.
A210512
Fig. 38 —Indoor PCB
A210513
Fig. 39 —Outdoor PCB
NOTE: Figures 38 and 39 are for reference only and they may differ from the actual unit.
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