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List of Fault Codes for
Komatsu Forklifts FB15-12
Trouble Code (ALA)
Code
fault description
ALA-5206
Starting switch transferred is ON, while the
rise of the control lever is mounted
in a
position other than neutral.
ALA-5207
Starting switch transferred is ON, while the
tilt control lever is set
in a position other
than neutral.
ALA-5208
Starting switch translated in the ON position at
that time, as the lever 1 ATT working equipment
control 1 is set in a position other than neutral.
ALA-5209
The starting switch is turned to ON, while the work
equipment 2 control ATT lever 2 is set to a position
other than neutral.
ALA-5210
The starting switch is turned to ON, while the
control lever 3 ATT working equipment 3 is
installed in a position other than neutral.
ALA-5229 *
The automatic adjustment function of the
horizontal tilt angle is switched off before or
after at
Proposition stop.
ALA-5255 *
Improper management of the automatic
function
s adjust the horizontal angle.
1.
Moving the tilt lever in an
reverse
direction.
2.
Inclusion of buttons horizontal
inclination, whereas the tilt control lever
is
Xia horizontally.
3.
The inclusion of the automatic function
of the horizontal tilt, while installed on
the car load.
* The machine is equipped with an automatic adjustment function of the horizontal angle.
The error code (ERR)
Code
The fault description
ERR-3082
Malfunction of the communication channel between the controller (right) turn, and
the controller (left) stroke.
ERR-3084
Malfunction of the communication channel between the controller (right) and stroke controller
handling.
ERR-3281
Malfunction of the communication channel between the controller (right) turn, and
the controller (left) stroke.
ERR-3284
Malfunction of the communication channel between the controller handling and controller (left) stroke.
ERR-5081
Malfunction of the communication channel between the controller (right) and stroke controller
handling.
ERR-5082
Malfunction of the communication channel between the control (left) and a stroke controller for loading
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and unloading operations.
ERR-5085
Malfunction of the communication channel between the controller and the proportional
solenoid valve
controller handling.
ERR-5087
Malfunction of the communication channel between the controller and a power supply controller for loading
and unloading operations.
ERR-5088
Malfunction of the communication channel between the controller handling and
Controllers
rum power source.
ERR-5211
Wrong signal lift control lever.
ERR-5212
Wrong signal tilt control lever.
ERR-5213
Wrong signal ATT1 work equipment control lever.
ERR-5214
Wrong signal ATT2 work equipment control lever.
ERR-5215
Wrong signal ATT3 work equipment control lever.
Code
The fault description
ERR-5216
Wrong signal lifting pressure sensor.
ERR-5217
Incorrect inclination angle sensor signal.
ERR-5218
Incorrect operation of the proportional solenoid valve lift.
ERR-5219
Incorrect operation of the proportional solenoid valve angle.
ERR-5220
Incorrect operation of the proportional solenoid valve ATT1 working equipment.
ERR-5221
Incorrect operation of the proportional solenoid valve ATT2 working equipment.
ERR-5222
Incorrect operation of the proportional solenoid valve ATT3 working equipment.
ERR-5292
Fault source proportional solenoid valve controller power.
ERR-5293
Incorrect operation of the controller proportional solenoid valve.
ERR-5294
Wrong signal sensor working machine.
ERR-5295
Incorrect operation of the controller proportional solenoid valve.
ERR-5296
Error communication process controller proportional solenoid valve.
ERR1 4-8110
Error process communication controller (right) turn.
ERR1 8-8110
Error communication controller process (left) turn.
ERR3 0-8110
Error communication process controller handling.
ERR3 4-8110
Error communication process controller handling.
ERR4 0-8110
Error communication process dashboard.
ERR1 4-8120
Transmission error / reception on CAN data bus controller (right) turn.
ERR1 8-8120
Transmission error / reception on CAN data bus controller (left) stroke.
ERR3 0-8120
Error data transmission / reception on CAN bus controller handling.
ERR3 4-8120
Error data transmission / reception on CAN bus controller proportional solenoid valve.
ERR4 0-8120
Error transmitting / receiving CAN bus data dashboard.
ERR1 4-8130
Malfunction of the communication channel between the CAN controller (right)
turn and the dashboard.
ERR1 8-8130
Malfunction of the communication channel between the CAN controller (left) and
move the instrument panel.
ERR3 0-8130
Malfunction of the communication channel between the CAN controller handling and instrument
panel.
ERR3 4-8130
Fault CAN communication channel between the controller proportional electromagnetic
valve stem
Pan and the instrument panel.
ERR1 4-8140
Incorrect data transmission on the CAN bus controller (right) turn.
ERR1 8-8140
Incorrect data transmission on the CAN bus controller (left) stroke.
ERR3 0-8140
Incorrect data transmission on the CAN bus controller handling.
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ERR3 4-8140
Incorrect data transmission on the CAN bus controller proportional solenoid valve.
ERR4 0-8140
Incorrect data transmission via the CAN bus instrument panel.
ERR4 0-8314
Malfunction of the communication channel between the CAN controller (right)
turn and the dashboard.
ERR4 0-8318
Malfunction of the communication channel between the CAN controller (left) and
move the instrument panel.
ERR4 0-8330
Malfunction of the communication channel between the CAN controller handling and instrument
panel.
ERR4 0-8334
Fault CAN communication channel between the controller proportional electromagnetic
valve stem
Pan and the instrument panel.
ERR4 0-8510
Fault CAN communication channel dashboard after the installation of the starting switch to
ON.
DTC instrument panel (movement system
controller)
Code
The fault description
ERR-300
Damage to the main contactor, blown fuse
ERR-300
Short circuit of the main contactor
ERRERR-300
320
Low voltage (battery voltage drop)
ALAALA320
Warning of incorrect operation training
ERRERR-301
321
movement control module (short-circuit the upper and lower FET)
ERRERR-301
321
movement system controller (Short upper side)
ERRERR-301
321
movement system controller (Short lower side)
ERRERR-301
321
movement system controller (Damage phase conductors U)
ERR-301
ERR-3214
movement system controller (Damage phase conductor V)
ERRERR-301
321
movement system controller (Damage phase conductor W)
ERR-301
Defect fast it is charging circuit (capacitor charging circuit defect
between P and N)
ALAALA322
movement system controller (temperature increase)
ERR-302
ERR-3221
movement system controller (temperature is not correct)
ALAALA323
Hydraulic movement (temperature increase)
ERR-303
ERR-3231
Hydraulic movement (temperature is not correct)
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ERR-303
ERR-3230
Short-circuiting between the phases of movement of the hydro motor (Short
load circuits).
ERRERR-305
325
temperature sensor fault movement system controller
ERR-305
ERR-3251
temperature sensor failure motor movement
ERRERR-305
325
Wrong sensor output current in the movement system (phase U, phase W)
ERRERR-305
325
Malfunction of the accelerator, the accelerator switch
ERR-305
Fault wheel angle potentiometer. (Measured angle is not correct)
ERRERR-305
325
motor speed sensor of movement (A phase output signal is not soot
sponds
to normal).
ERRERR-305
325
motor speed sensor movement (output of phase B is not soot
sponds to
normal).
ERR-306
Malfunction of front-reverse switch
ERR-306
Fault logic seating sensor element _a and _b seat sensor.
ERR-ERR308 308
ERR-ERR3281 328
Fault CAN communication channel. (Malfunction of the communication
channel)
Fault code panel instrumentation (Controller
handling)
Code
The fault description
ERR-5004
Low voltage (battery voltage drop)
ALA-5005
Warning of incorrect operation training
ERR -5010
Controller handling (short-circuit the upper and lower FET)
ERR -5011
Controller handling (Short upper side)
ERR -5012
Controller handling (Short lower side)
ERR -5013
Controller handling (Damage phase conductors U)
ERR -5014
Controller handling (Damage phase conductor V)
ERR -5015
Controller handling (Damage phase conductor W)
ALA-5021
Controller handling (temperature increase)
ERR -5021
Controller handling (temperature is not correct)
ERR-5030
Short circuit of the pump motor phases (short circuit load circuits)
ALA-5031
Motor pump (temperature increase)
ERR -5031
Motor pump (temperature is not correct)
ERR-5040
Input external controller beyond the normative range
ERR -5050
Temperature Sensor Controller Fault handling
ERR -5051
Fault pump motor temperature sensor
ERR -5052
Wrong output current sensor signal to the handling system (phase U, phase W)
ERR -5055
Malfunction of the steering wheel angle sensor (measured angle is not correct)
ERR -5057
Fault pump motor rotation speed sensor
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ERR-5081
Fault CAN communication channel (communication channel has failed)
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