Komatsu FB15-12 User Manual

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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)