Bryant 619R C Series Service Manual page 17

Diagnosis and Solution
EEPROM error diagnosis and solution (E0/F4)
Error Code
Malfunction decision conditions
Supposed causes
Troubleshooting:
NOTE: Fig. 21 and Fig. 22 are for reference only and may differ from the items on your unit.
E0/F4
Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip.
S
Installation mistake
S
PCB faulty
Fig. 20 – Troubleshooting
Fig. 21 – Indoor PCB
Fig. 22 – Outdoor PCB
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