Toyotomi KURO Mini Service Manual page 96

Desynchronizing happens
during operation
Outdoor unit is working?
Unit radiation is good?
Input voltage is normal?
Refrigerant amount is too much?
Eliminate the malfunction
Replace the compressor
30
Yes
Yes
Yes
No
Replace the outdoor
mainboard
No
End
Check if fan
terminal is
No
connected well
Improve radiation
situation of the unit
No
(such as cleaning
the heat exchanger,
improve ventilation
Turn on the unit
after the power
No
supply voltage
resumes normal
Charge refrigerant
according to the
Yes
service manual
Yes
Service Manual
Replace the fan capacitor
Replace the outdoor unit
Installation and Maintenance