Toyotomi CCT140A-M, Service Manual

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Troubleshooting
Electrical Control
c. EEPROM malfunction
f. Full-water malfunction
Full-water malfunction
Check whether the water-level switch is inserted well
Check whether the water-level switch is broken
Check PCB board or replace the main control board
Replace the water-level switch
Yes
No
Check whether the water pump is normal
Yes
Insert the water-level switch well
No
Yes
Replace the water pump
No
EEPROM malfunction
EEPROM chip is broken
Check whether the main control chip is broken
Replace the control chip
Yes
No
Check PCB board or replace the main control board
Replace EEPROM
Yes
No