© Mitsubishi Forklift Trucks 2013. All
© Mitsubishi Forklift Trucks 2013. All
rights reserved.
rights reserved.
Revision: B
Revision: B
Document ID: 615023
Document ID: 615023
226 (244)
226 (244)
MICRO SLAVE #8
MICRO SLAVE #8
This alarm occurs when the encoder counting of the
This alarm occurs when the encoder counting of the main microprocess
main microprocessor does not match the
or does not match the
encoder counting. In such a case, replace the
encoder counting. In such a case, replace the steering controller.
steering controller.
PBV20N2
PBV20N2
Service
Service Manual
Manual
CODE
CODE
TRUCKTOOL
TRUCKTOOL
AND
AND
DISPLAY
DISPLAY
DESCRIPTION
DESCRIPTION
218
218
Controller internal error
Controller internal error
CLOCK PAL NOT OK
CLOCK PAL NOT OK
(Alarm)
(Alarm)
Stored
Stored
This alarm occurs if one of the
This alarm occurs if one of the internal analogue signals is incorrect. In such a
internal analogue signals is incorrect. In such a case, replace
case, replace
the steering controller.
the steering controller.
219
219
Stepper motor lines mismatch detected
Stepper motor lines mismatch detected
STEPPER MOTOR MISM
STEPPER MOTOR MISM
(Alarm)
(Alarm)
Stored
Stored
This alarm occurs if the frequency and the
This alarm occurs if the frequency and the amplitude of the voltages from the
amplitude of the voltages from the stepper motor
stepper motor
lines are mismatched in between the D
lines are mismatched in between the D and Q lines of the
and Q lines of the stepper motor. In such a case,
stepper motor. In such a case,
replace the steering controller.
replace the steering controller.
220
220
Steering motor mechanical error
Steering motor mechanical error
MOTOR LOCKED
MOTOR LOCKED
(Alarm)
(Alarm)
Stored
Stored
This alarm occurs if the current in
This alarm occurs if the current in the steering motor stays close to the maximum current for
the steering motor stays close to the maximum current for
longer than one second. In
longer than one second. In such a case, look if there
such a case, look if there is a mechanical problem locking the
is a mechanical problem locking the
steering motor.
steering motor.
222
222
Feedback sensor error
Feedback sensor error
FB POT LOCKED
FB POT LOCKED
(Alarm)
(Alarm)
Stored
Stored
This alarm occurs if the feedback sensor or potentiometer does not
This alarm occurs if the feedback sensor or potentiometer does not change the value (or
change the value (or
changes the value to the o
changes the value to the opposite direction) even if it is
pposite direction) even if it is commanded to change.
commanded to change.
In such a case, check the following:
In such a case, check the following:
•
•
The feedback sensor is not mechanically loosened.
The feedback sensor is not mechanically loosened.
•
•
The connectors and cables of the feedback sensor are in
The connectors and cables of the feedback sensor are in order.
order.
•
•
The motor phases are OK and the
The motor phases are OK and the cables are installed in the
cables are installed in the correct places.
correct places.
223
223
Feedback sensor output signal error
Feedback sensor output signal error
JERKING FB POT
JERKING FB POT
(Alarm)
(Alarm)
Stored
Stored
This alarm occurs if the feedback sensor or potentiometer voltage changes more than 0.
This alarm occurs if the feedback sensor or potentiometer voltage changes more than 0.3 V in
3 V in
16 milliseconds. This alarm is used to catch potentiometer discontinuities. In t
16 milliseconds. This alarm is used to catch potentiometer discontinuities. In the case of this
he case of this
alarm, replace the feedback sensor.
alarm, replace the feedback sensor.
225
225
Error in controller initialization at
Error in controller initialization at
manufacturer
manufacturer
CURRENT GAIN
CURRENT GAIN
(Warning)
(Warning)
This warning occurs when the parameters compensate for the gain if
This warning occurs when the parameters compensate for the gain if the current amplifiers
the current amplifiers
have the default values (the maximum current was not regulated). I
have the default values (the maximum current was not regulated). In such a case, replace the
n such a case, replace the
steering controller.
steering controller.
226
226
Internal check cycle error
Internal check cycle error
NO SYNC
NO SYNC
(Alarm)
(Alarm)
Stored
Stored
This alarm occurs when the inside checking cycle does not update the
This alarm occurs when the inside checking cycle does not update the information and the
information and the
controller cuts of the steering and traction.
controller cuts of the steering and traction. In such a case, replace the steering controller.
In such a case, replace the steering controller.
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