Toyotomi KURO Mini Service Manual page 122

TOYOTOMI
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If malfunction occurs during operation, LCD temperature display zone will show the failure information. If
several malfunctions occur at the same time, their corresponding error codes will be shown in turn. When
malfunction occurs, please shut off the unit and send for professional personnel to repair. For example, E1 (as
shown below) indicates high pressure protection.
Error code
F5
C5
EE
PF
H3
H4
H5
H6
H7
HC
Lc
Ld
LF
Lp
U7
P0
P5
P6
P7
P8
P9
PA
Pc
Pd
PE
PL
PH
PU
PP
ee
C4
dJ
oE ODU error, for specific error please see the status of ODU indicator
EL
U-Match 5 SERIES UNIT SERVICE MANUAL
Error
Wired control temperature sensor error
IDU jumper cap error
IDU or ODU memory chip error
Electric box sensor error
Compressor overload protection
Overload
IPM protection
DC fan error
Driver out-of-step protection
Pfc protection
Startup failure
Compressor phase-sequence protection
Power protection
IDU and ODU unmatched
4–way valve switch-over error
Driver reset protection
Over-current protection
Master control and driver communication error
Driver module sensor error
Driver module high temperature protection
Zero-crossing protection
AC current protection
Driver current error
Sensor connection protection
Temperature drift protection
Bus low-voltage protection
Bus high-voltage protection
Charge loop error
Input voltage error
Drive memory chip error
ODU jumper cap error
Phase-loss and anti-phase protection
Emergency stop (fire alarm)
40