Troubleshooting; Malfunction Indicator - Toyotomi KURO Mini Service Manual

9. Troubleshooting

9.1 Malfunction Indicator

The error code will be displayed on the wired controller and the main board of the outdoor unit.
The meaning of each error, as shown in table 13.
Name of malfunction
Compressor runs
Defrost
Anti-freezing protection
IPM protection
AC over-current protection
Over-burden protection
Compressor exhaust high temperature protection Flash 7 times
Compressor overload protection
Power protection
EEPROM reads and write protection
Low PN voltage protection
Over voltage protection for PN
PFC protection
PFC module temperature protection
Low pressure protection
High pressure protection
Limit/decline frequency(electric current)
Frequency limit(exhaust)
Frequency limit(Over-burden)
Outdoor ambient sensor malfunction
Outdoor tube sensor malfunction
Exhaust sensor malfunction
Attain the temperature of switch on
Frequency limit(power)
Outdoor fan malfunction
Frequency limit(PFC module temperature)
PFC module sensor malfunction
Liquid pipe temperature sensor malfunction of A
28
MFMR32-36-42kBTU
Yellow light
Flash once
Flash twice
Flash 3 times
Flash 4 times
Flash 5 times
Flash 6 times
Flash 8 times
Flash 9 times
Flash 11 times
Flash 12 times
Flash 13 times
Flash 14 times
Flash 15 times
Flash 17 times
Flash 18 times
The indicator display
Red light Green light
Flash 1 times
Flash 2 times
Flash 3 times
Flash 6 times
Flash 5 times
Flash 7 times
Flash 8 times
Flash 13 times
Flash 14 times
Flash 15 times
Flash 16 times
Flash 17 times
Service Manual
Indoor display
H1
E2
H5
E5
H4
E4
H3
L9
PL
PH
HC
oE
E3
E1
F3
F4
F5
oE
Installation and Maintenance