Midea mcd-24hrdn1 - Page 214

Troubleshooting
204 Electrical Control System
2.4.1.3. Indoor EEPROM malfunction
If the EEPROM chip
is welded on PCB,
replace the PCB
directly. Otherwise,
check whether the
EEPROM chip
plugged in PCB well?
Yes
No
Yes
Insert the EEPROM well
Replace the indoor PCB.
Shut off the power supply and
turn it on 5 seconds later. Is it
still displaying the error code?
2.4.1.4. Full-water malfunction
If the water-level switch
is inserted well?
No Insert the water-level switch well
If the water-level switch
is broken?
Yes Replace the water-level switch
If the water pump is
normal?
No
Replace the water pump
Yes
No
Yes
Check PCB board or replace the indoor main PCB