© Mitsubishi Forklift Trucks 2013. All
© Mitsubishi Forklift Trucks 2013. All
rights reserved.
rights reserved.
Revision: B
Revision: B
Document ID: 615023
Document ID: 615023
167 (244)
167 (244)
PBV20N2
PBV20N2
Service
Service Manual
Manual
CODE
CODE
TRUCKTOOL
TRUCKTOOL
AND
AND
DISPLAY
DISPLAY
DESCRIPTION
DESCRIPTION
226
226
Accelerator voltage out of ra
Accelerator voltage out of range
nge
VACC OUT RANGE
VACC OUT RANGE
(Alarm)
Stored
(Alarm)
Stored
This alarm is displayed if accelerator voltage is
This alarm is displayed if accelerator voltage is out of range.
out of range.
In such a case:
In such a case:
•
•
Teach the accelerator values again.
Teach the accelerator values again.
•
•
Check that the connectors and cables are in order.
Check that the connectors and cables are in order.
•
•
Replace the accelerator and teach the accelerator new values.
Replace the accelerator and teach the accelerator new values.
228
228
Tiller switch is open
Tiller switch is open
TILLER OPEN
TILLER OPEN
(Warning)
(Warning)
Not
Not shown
shown in
in the
the display
display
This warning occurs when the tiller is
This warning occurs when the tiller is released after a fixed time in
released after a fixed time in the standby mode with the
the standby mode with the
main contactor open (30 seconds).
main contactor open (30 seconds).
After the next travel reques
After the next travel request, the warning disappears.
t, the warning disappears.
229
229
Magnetic brake driver output error
Magnetic brake driver output error
POS. EB. SHORTED
POS. EB. SHORTED
(Alarm)
Stored
(Alarm)
Stored
This alarm is displayed when the output
This alarm is displayed when the output of the built-in smart driver,
of the built-in smart driver, which supplies the positive
which supplies the positive
to the electromechanical brake coil, is high
to the electromechanical brake coil, is high when the tiller and the
when the tiller and the brake release switch are
brake release switch are
open.
open.
In such a case, check the wiring to
In such a case, check the wiring to see that there is no
see that there is no extra positive supply connected to the
extra positive supply connected to the
electromechanical brake at the connector XA1 B/1 when the tiller
electromechanical brake at the connector XA1 B/1 when the tiller and the brake release switch
and the brake release switch
are open.
are open.
If the output stays at
If the output stays at a low value even
a low value even when disconnecting the wire from the connector pin, the
when disconnecting the wire from the connector pin, the
problem is in the COMBIACX controller.
problem is in the COMBIACX controller.
231
231
WATCHDOG#2
WATCHDOG#2
WATCHDOG#2
WATCHDOG#2
(Alarm)
(Alarm)
This is a safety related, self-diagnosis test within
This is a safety related, self-diagnosis test within the logic. The watchdog circuit is composed of
the logic. The watchdog circuit is composed of
two monostable multivibrators, so there is a double-check of the
two monostable multivibrators, so there is a double-check of the software execution.
software execution.
This alarm can be caused by a hardware failure in one or both of the multivibrators or it can be
This alarm can be caused by a hardware failure in one or both of the multivibrators or it can be
due to a software execution problem. In
due to a software execution problem. In both cases, the problem is in the
both cases, the problem is in the COMBIACX
COMBIACX
controller, which must be replaced.
controller, which must be replaced.
230
230
Failure in motor control
Failure in motor control
LOW TORQUE
LOW TORQUE
(Alarm)
Stored
(Alarm)
Stored
This alarm indicates a failure in
This alarm indicates a failure in the motor control.
the motor control.
If this alarm occurs often, some of the
If this alarm occurs often, some of the hardware settings are probably not correct. Also check
hardware settings are probably not correct. Also check
the motor connections.
the motor connections.
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