Diagnosis And Solution - Pioneer WAE012AMFI15RL Service Manual

9.3 Diagnosis and Solution

9.3.1 EEPROM parameter error diagnosis and solution(E0/F4)
Error Code
Malfunction decision
conditions
Supposed causes
Trouble shooting:
Shut off the power supply and
turn it on 5 seconds later. Is it
still displaying the error code ?
Yes
If the EEPROM chip
is welded on main
PCB, replace the
main PCB directly.
Otherwise, check
whether the
EEPROM chip
plugged in main PCB
well?
Yes
Replace the main PCB.
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
Note: The two photos above are only for reference, it's may be not same totally with the ones on
your system.
E0/F4
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
Installation mistake
●
PCB faulty
●
No Correct the connection .
42
Outdoor PCB