Failure Code List Related To Air Conditioner - Komatsu PC200-8M0 Shop Manual

100 Air conditioner

Failure code list related to air conditioner

Failure code list related to air conditioner
Failure code
A/C Inner Sensor Open
879AKA
Circuit
A/C Inner Sensor Short
879AKB
Circuit
A/C Outer Sensor Open
879BKA
Circuit
A/C Outer Sensor Short
879BKB
Circuit
Ventilating Sensor Open
879CKA
Circuit
Ventilating Sensor Short
879CKB
Circuit
Sunlight Sensor Open or
879DKZ
Short Circuit
Ventilation Dumper Abnor-
879EMC
mality
Air Mix Dumper Abnormal-
879FMC
ity
879GKX Refrigerant Abnormality
A/C Model Selection
DAZ9KQ
Abnormality
CAN2 Discon (Aircon
DAZQKR
ECU)
a The air conditioner inner sensor means the inside (air) temperature sensor.
a The air conditioner outer sensor means the outside (air) temperature sensor.
a The ventilating sensor means the evaporator temperature sensor (frost sensor).
a The ventilation damper means the vent (mode) changeover damper (door).
a The air mix damper means the temperature adjustment (air mix) damper (door).
a Troubleshooting for the troubles which do not display failure codes
Troubleshooting for power supply system (Air conditioner does not operate)
q
q Troubleshooting for compressor and refrigerant system (Air is not cooled)
q Troubleshooting for blower motor system (No air comes out or air flow is abnormal)
q Troubleshooting for FRESH/RECIRC air changeover
PC200, 200LC, 220, 220LC-8M0
Failure (Displayed on
screen)
Compo-
Category
nent in Action level
of record
charge
Electrical
MON –
system
Electrical
MON –
system
Electrical
MON –
system
Electrical
MON –
system
Electrical
MON –
system
Electrical
MON –
system
Electrical
MON –
system
Electrical
MON L01
system
Electrical
MON L01
system
Electrical
MON L01
system
Electrical
MON –
system
Electrical
MON L01
system
SEN06151-00
Remarks
Troubleshooting cannot be
performed while the controller
is mounted on the machine
since the connector cannot be
checked.
Troubleshooting cannot be
performed while the controller
is mounted on the machine
since the connector cannot be
checked.
Troubleshooting cannot be
performed while the controller
is mounted on the machine
since the connector cannot be
checked.
See Chapter 40, "Trouble-
shooting by failure code"
80-100
43