
29
9.3 Diagnosis and Solution
9.3.1 EEPROM parameter error diagnosis and solution(E0/F4)
Error Code
E0/F4
Malfunction decision
conditions
Indoor or outdoor PCB main chip does not receive feedback
from EEPROM chip.
Supposed causes
●
Installation mistake
●
PCB faulty
Trouble shooting:
Yes
Replace the indoor/outdoor
main PCB.
Power off, then restart the
unit 2 minutes later.
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
Outdoor PCB
Note: The two photos above are only for reference, it’s may be not same totally with the ones on your side.
Содержание CS11M-09HRFN1-MX0W
Страница 7: ...5 2 2 Part names of Indoor Outdoor units...
Страница 10: ...8 For MS11M 09HRFN1 BW0W MS11M 12HRFN1 BV0W For MS11M 30HRFN1 MR0W MS11M 36HRFN1 MN10W...
Страница 42: ...40 P W N U...
Страница 43: ...41 N V N W...